Esempio n. 1
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    def __init__(self, scene, x, y, caption, answers, done_cb, parent=None):

        self.w = 0
        self.h = 0

        super(DialogItem, self).__init__(scene, x, y, parent=parent)

        self.sp = self.m2pix(0.01)
        self.done_cb = done_cb
        self.fixed = False

        self.desc = DescItem(scene, 0, 0, self)
        self.desc.set_content(caption)

        self.items = []

        self.w = (len(answers) + 1) * self.sp

        for answer in answers:

            btn = ButtonItem(self.scene(), 0, 0, answer, self, self.answer_cb)
            self.items.append(btn)
            self.w += btn._width()

        y = self.sp
        self._place_childs_horizontally(y, self.sp, [self.desc])
        y += self.desc._height() + self.sp
        self._place_childs_horizontally(y, self.sp, self.items)
        y += self.items[0]._height()
        y += self.sp

        self.h = y
        self.update()
        self.setZValue(300)
Esempio n. 2
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    def __init__(self, scene, object_id, object_type, x,
                 y, z, quaternion=(0, 0, 0, 1), sel_cb=None, selected=False, parent=None, horizontal=False):

        self.object_id = object_id
        self.selected = selected
        self.sel_cb = sel_cb
        self.horizontal = horizontal
        # TODO check bbox type and use rectangle (used now) / ellipse, consider
        # other angles
        self.object_type = object_type
        self.inflate = 0.01
        self.def_color = QtCore.Qt.gray
        self.lx = 0
        self.ly = 0

        self.desc = None
        self.quaternion = (0, 0, 0, 1)
        self.on_table = False

        super(ObjectItem, self).__init__(scene, x, y, z, parent=parent)

        self.desc = DescItem(scene, 0, 0, parent=self)
        self.desc.setFlag(QtGui.QGraphicsItem.ItemIgnoresTransformations)

        self.update_text()

        self.set_orientation(quaternion)

        if selected:
            self.set_selected()

        self._update_desc_pos()
        self.setZValue(50)
Esempio n. 3
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    def __init__(self, scene, object_id, object_type, x,
                 y, yaw, sel_cb=None, selected=False):

        self.object_id = object_id
        self.selected = selected
        self.sel_cb = sel_cb
        # TODO check bbox type and use rectangle (used now) / ellipse, consider
        # other angles
        self.object_type = object_type
        self.inflate = 1.2
        self.hover_ratio = 1.1
        self.def_color = QtCore.Qt.gray

        self.desc = None

        super(ObjectItem, self).__init__(scene, x, y)

        self.desc = DescItem(scene, 0, 0, self)
        self.desc.setFlag(QtGui.QGraphicsItem.ItemIgnoresTransformations)

        self.update_text()

        self.setRotation(yaw)

        if selected:
            self.set_selected()

        self._update_desc_pos()
        self.setZValue(50)
Esempio n. 4
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class DialogItem(Item):
    def __init__(self, scene, x, y, caption, answers, done_cb, parent=None):

        self.w = 0
        self.h = 0

        super(DialogItem, self).__init__(scene, x, y, parent=parent)

        self.sp = self.m2pix(0.01)
        self.done_cb = done_cb
        self.fixed = False

        self.desc = DescItem(scene, 0, 0, self)
        self.desc.set_content(caption)

        self.items = []

        self.w = (len(answers) + 1) * self.sp

        for answer in answers:

            btn = ButtonItem(self.scene(), 0, 0, answer, self, self.answer_cb)
            self.items.append(btn)
            self.w += btn._width()

        y = self.sp
        self._place_childs_horizontally(y, self.sp, [self.desc])
        y += self.desc._height() + self.sp
        self._place_childs_horizontally(y, self.sp, self.items)
        y += self.items[0]._height()
        y += self.sp

        self.h = y
        self.update()
        self.setZValue(300)

    def answer_cb(self, btn):

        self.done_cb(self.items.index(btn))

    def paint(self, painter, option, widget):

        if not self.scene():
            return

        painter.setClipRect(option.exposedRect)
        painter.setRenderHint(QtGui.QPainter.Antialiasing)

        pen = QtGui.QPen()
        pen.setStyle(QtCore.Qt.NoPen)
        painter.setPen(pen)

        painter.setBrush(QtCore.Qt.gray)
        painter.setOpacity(0.5)
        painter.drawRoundedRect(QtCore.QRect(0, 0, self.w, self.h), 5.0, 5.0)

    def boundingRect(self):

        return QtCore.QRectF(0, 0, self.w, self.h)
Esempio n. 5
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    def __init__(self, scene, x, y, caption, answers, done_cb, parent=None):

        self.w = 0
        self.h = 0

        super(DialogItem, self).__init__(scene, x, y, parent=parent)

        self.sp = self.m2pix(0.01)
        self.done_cb = done_cb
        self.fixed = False

        self.desc = DescItem(scene, 0, 0, self)
        self.desc.set_content(caption, color=QtCore.Qt.white)

        self.items = []

        for answer in answers:

            btn = ButtonItem(self.scene(), 0, 0, answer, self, self.answer_cb)
            self.items.append(btn)

        self.w = max(self.desc.boundingRect().width(),
                     sum(btn.boundingRect().width() for btn in self.items)) + 2 * self.sp

        y = self.sp
        self._place_childs_horizontally(y, self.sp, [self.desc])
        y += self.desc._height() + self.sp
        self._place_childs_horizontally(y, self.sp, self.items)
        y += self.items[0]._height()
        y += self.sp

        self.h = y

        self.setFlag(QtGui.QGraphicsItem.ItemIsMovable, True)
        self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, True)

        self.update()
        self.setZValue(300)
Esempio n. 6
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    def __init__(self, scene, rpm, caption, x, y, place_pose_changed=None, outline_diameter=0.1, selected=False, fixed=False):

        self.outline_diameter = outline_diameter
        self.caption = caption
        self.in_collision = False

        super(PlaceItem, self).__init__(scene, rpm, x, y)

        self.desc = DescItem(scene, rpm, -self.outline_diameter * 1.3 / 2.0, self.outline_diameter * 1.3 / 2 + 0.01, self)
        self.update_text()

        self.fixed = fixed

        self.place_pose_changed = place_pose_changed
Esempio n. 7
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    def __init__(self, scene, rpm, object_id, object_type, x, y, sel_cb=None, outline_diameter=0.1, selected=False):

        self.object_id = object_id
        self.object_type = object_type
        self.outline_diameter = outline_diameter
        self.selected = selected
        self.sel_cb = sel_cb

        super(ObjectItem, self).__init__(scene, rpm, x, y)

        self.desc = DescItem(scene, rpm, -self.outline_diameter * 1.3 / 2.0, self.outline_diameter * 1.3 / 2 + 0.01, self)
        self.update_text()

        if selected:
            self.set_selected()
Esempio n. 8
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    def __init__(self,
                 scene,
                 caption,
                 obj_coords=[],
                 poly_points=[],
                 polygon_changed=None,
                 fixed=False):

        self.caption = caption
        self.polygon_changed = polygon_changed

        self.poly = QtGui.QPolygon()
        self.desc = None

        super(PolygonItem, self).__init__(scene, 0.5,
                                          0.5)  # TODO what should be here?
        self.fixed = fixed
        self.convex = True

        if not self.fixed:
            self.setFlag(QtGui.QGraphicsItem.ItemIsMovable, True)
            self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, True)

        self.pts = []

        if len(obj_coords) > 0:

            min = [obj_coords[0][0], obj_coords[0][1]]
            max = [obj_coords[0][0], obj_coords[0][1]]

            for pt in obj_coords:

                pt = [pt[0], pt[1]]

                if pt[0] < min[0]:
                    min[0] = pt[0]
                if pt[1] < min[1]:
                    min[1] = pt[1]
                if pt[0] > max[0]:
                    max[0] = pt[0]
                if pt[1] > max[1]:
                    max[1] = pt[1]

            pad = 0.02

            min[0] -= pad
            min[1] -= pad
            max[0] += pad
            max[1] += pad

            self.pts.append(
                PointItem(scene, min[0], min[1], self, self.point_changed))
            self.pts.append(
                PointItem(scene, max[0], min[1], self, self.point_changed))
            self.pts.append(
                PointItem(scene, max[0], max[1], self, self.point_changed))
            self.pts.append(
                PointItem(scene, min[0], max[1], self, self.point_changed))

            if self.polygon_changed is not None:
                self.polygon_changed(self.get_poly_points())

        elif len(poly_points) > 0:

            for pt in poly_points:

                self.pts.append(
                    PointItem(scene, pt[0], pt[1], self, self.point_changed,
                              fixed))

        else:

            pass  # TODO chyba

        for pt in self.pts:
            self.poly.append(pt.pos().toPoint())

        self.desc = DescItem(scene, 0, 0, self)
        self.desc.setFlag(QtGui.QGraphicsItem.ItemIgnoresTransformations)
        self.__update_desc_pos()
        self.__update_text()

        self.update()
Esempio n. 9
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class ObjectItem(Item):

    """The class to visualize (detected) object.

    It currently supports only rotation around z-axis.

    """

    def __init__(self, scene, object_id, object_type, x,
                 y, yaw, sel_cb=None, selected=False):

        self.object_id = object_id
        self.selected = selected
        self.sel_cb = sel_cb
        # TODO check bbox type and use rectangle (used now) / ellipse, consider
        # other angles
        self.object_type = object_type
        self.inflate = 1.2
        self.hover_ratio = 1.1
        self.def_color = QtCore.Qt.gray

        self.desc = None

        super(ObjectItem, self).__init__(scene, x, y)

        self.desc = DescItem(scene, 0, 0, self)
        self.desc.setFlag(QtGui.QGraphicsItem.ItemIgnoresTransformations)

        self.update_text()

        self.setRotation(yaw)

        if selected:
            self.set_selected()

        self._update_desc_pos()
        self.setZValue(50)

    def set_color(self, color=QtCore.Qt.gray):

        self.def_color = color
        self.update()

    def _update_desc_pos(self):

        if self.desc is not None:

            # make upper left corner of description aligned with left extent of
            # the (possibly rotated) object bounding box (highlight area)
            self.desc.setPos(
                self.mapFromScene(
                    self.x() -
                    self.sceneBoundingRect().width() /
                    2,
                    self.y() +
                    self.sceneBoundingRect().height() /
                    2 +
                    self.m2pix(0.01)))

    def set_pos(self, x, y, parent_coords=False, yaw=None):

        super(ObjectItem, self).set_pos(x, y, parent_coords, yaw)
        self._update_desc_pos()
        self.update_text()

    def update_text(self):

        if self.desc is None:
            return

        desc = ""
        desc += translate("ObjectItem", "ID: ") + self.object_id

        if self.hover:

            desc += "\n" + translate("ObjectItem",
                                     "TYPE: ") + self.object_type.name
            desc += "\n" + self.get_pos_str()

        self.desc.set_content(desc)

    def hover_changed(self):

        self.update_text()
        self.update()

    def boundingRect(self):

        if not self.scene():

            return QtCore.QRectF()

        lx = self.hover_ratio * self.inflate * \
            self.m2pix(self.object_type.bbox.dimensions[0])
        ly = self.hover_ratio * self.inflate * \
            self.m2pix(self.object_type.bbox.dimensions[1])
        p = 1.0
        return QtCore.QRectF(-lx / 2 - p, -ly / 2 - p, lx + 2 * p, ly + 2 * p)

    def paint(self, painter, option, widget):

        if not self.scene():
            return

        painter.setClipRect(option.exposedRect)
        painter.setRenderHint(QtGui.QPainter.Antialiasing)

        lx = self.inflate * self.m2pix(self.object_type.bbox.dimensions[0])
        ly = self.inflate * self.m2pix(self.object_type.bbox.dimensions[1])

        rr = 10

        if self.selected:

            painter.setBrush(QtCore.Qt.green)
            painter.setPen(QtCore.Qt.green)

            painter.drawRoundedRect(-lx / 2 * self.hover_ratio, -ly / 2 * self.hover_ratio,
                                    lx * self.hover_ratio, ly * self.hover_ratio, rr, rr, QtCore.Qt.RelativeSize)

        elif self.hover:

            painter.setBrush(QtCore.Qt.gray)
            painter.setPen(QtCore.Qt.gray)

            painter.drawRoundedRect(-lx / 2 * self.hover_ratio, -ly / 2 * self.hover_ratio,
                                    lx * self.hover_ratio, ly * self.hover_ratio, rr, rr, QtCore.Qt.RelativeSize)

        painter.setBrush(self.def_color)
        painter.setPen(self.def_color)

        painter.drawRoundedRect(-lx / 2, -ly / 2, lx,
                                ly, rr, rr, QtCore.Qt.RelativeSize)

        fr = 1.0 - (self.hover_ratio - 1.0)  # fill ratio

        painter.setBrush(QtCore.Qt.black)
        painter.setPen(QtCore.Qt.black)
        painter.drawRoundedRect(-lx / 2 * fr, -ly / 2 * fr,
                                lx * fr, ly * fr, rr, rr, QtCore.Qt.RelativeSize)

    def cursor_press(self):

        # TODO call base class method

        if self.sel_cb is not None:
            # callback should handle object selection
            self.sel_cb(self.object_id, self.selected)

        else:
            # no callback - object will handle its selection
            if not self.selected:
                self.set_selected()
            else:
                self.set_selected(False)

    def set_selected(self, selected=True):

        if selected:

            self.selected = True
            # rospy.logdebug('Object ID ' + self.object_id + ' selected')

        else:

            self.selected = False
            # rospy.logdebug('Object ID ' + self.object_id + ' unselected')

        self.update()
Esempio n. 10
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    def __init__(
            self,
            scene,
            caption,
            min_x,
            min_y,
            square_width,
            square_height,
            object_type,
            poses,
            grid_points,
            scene_items,
            square_changed=None,
            fixed=False):

        self.scn = scene
        self.caption = caption
        self.object_type = object_type

        self.scene_items = scene_items
        self.square_changed = square_changed
        self.space = 0.05   # is added to bbox of an object

        self.object_side_length_x = self.object_type.bbox.dimensions[0] + self.space
        self.object_side_length_y = self.object_type.bbox.dimensions[1] + self.space
        self.poses = poses

        self.square = QtGui.QPolygon()

        self.previous_width = 0
        self.previous_height = 0

        self.items = []
        self.last_corner = "BR"

        if len(grid_points) == 0:
            self.min = [min_x, min_y]
            self.max = [min_x + square_width, min_y + square_height]
            self.pom_min = self.min     # to save original value because y is changed in update_bound
            self.pom_max = self.max
        else:
            self.min = list(min(grid_points))
            self.max = list(max(grid_points))

        self.orig_x = []
        self.orig_y = []

        self.desc = None
        self.dialog = None
        self.horizontal = False

        super(SquareItem, self).__init__(scene, min_x, min_y)
        self.fixed = fixed

        self.desc = DescItem(scene, self.min[0] - 0.01, self.min[1] - 0.015, self)
        self.desc.setFlag(QtGui.QGraphicsItem.ItemIgnoresTransformations)
        self.update_text()

        self.plus_btn = ButtonItem(scene, self.min[0] - 0.01, self.min[1] - 0.04, "+", self, self.plus_clicked, 1.25,
                                   QtCore.Qt.darkCyan, width=0.04)
        self.minus_btn = ButtonItem(scene, self.min[0] + 0.035, self.min[1] - 0.04, "-", self, self.minus_clicked, 1.25,
                                    QtCore.Qt.darkCyan, width=0.04)
        self.plus_btn.setEnabled(False)
        self.minus_btn.setEnabled(False)

        self.pts = []
        self.pts.append(SquarePointItem(scene, self.min[0], self.min[1], self, "BL", self.fixed))  # bottom-left corner
        self.pts.append(SquarePointItem(scene, self.max[0], self.min[1], self, "BR", self.fixed))  # bottom-right corner
        self.pts.append(SquarePointItem(scene, self.max[0], self.max[1], self, "TR", self.fixed))  # top-right corner
        self.pts.append(SquarePointItem(scene, self.min[0], self.max[1], self, "TL", self.fixed))  # top-left corner

        if len(poses) > 0 and self.fixed:
            # depicts fixed objects
            for pose in poses:
                it = PlaceItem(
                    self.scn,
                    "Object",
                    pose.pose.position.x,
                    pose.pose.position.y,
                    pose.pose.position.z,
                    conversions.q2a(pose.pose.orientation),
                    self.object_type,
                    None,
                    place_pose_changed=None,
                    fixed=True,
                    txt=False,
                    parent=self,
                    horizontal=self.horizontal
                )
                self.items.append(it)
        else:
            # depicts editable objects
            for i, pose in enumerate(poses):
                rot_point = None  # to save xy coordinates for rotation point (for rotating objects in a grid)
                if i == 0:
                    rot = True
                    pom = self.find_corner("TL").get_pos()
                    rot_point = [pom[0] - 0.025, pom[1] + 0.025]
                else:
                    rot = False
                it = PlaceItem(
                    self.scn,
                    "Object",
                    pose.pose.position.x,
                    pose.pose.position.y,
                    pose.pose.position.z,
                    conversions.q2a(pose.pose.orientation),
                    self.object_type,
                    None,
                    place_pose_changed=None,
                    fixed=False,
                    txt=False,
                    rot=rot,
                    rot_point=rot_point,
                    rotation_changed=self.items_rotation_changed,
                    parent=self,
                    horizontal=self.horizontal
                )
                it.update_point()
                self.items.append(it)

            if self.items:
                # rotation of all objects in a grid (list of all objects is handed over to
                # the first object. When the first object is rotated, all objects are
                # rotated)
                self.items[0].set_other_items(self.items[1:])
                self.plus_btn.setEnabled(True)
                self.minus_btn.setEnabled(True)
                self.dialog = DialogItem(self.scene(),
                                         self.pix2m(self.scene().width() / 2),
                                         0.1,
                                         translate(
                    "Place item",
                    "Object place pose options"),
                    [
                    translate(
                        "Place item", "Rotate |"),
                    translate(
                        "Place item", "Rotate --")
                ],
                    self.dialog_cb)

        if self.square_changed is not None:
            # to save grid points and objects into the ProgramItem message
            self.square_changed(self.get_square_points(), self.items)

        self.update_bound()
        self.update()
Esempio n. 11
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class SquareItem(Item):

    # Class constructor
    def __init__(
            self,
            scene,
            caption,
            min_x,
            min_y,
            square_width,
            square_height,
            object_type,
            poses,
            grid_points,
            scene_items,
            square_changed=None,
            fixed=False):

        self.scn = scene
        self.caption = caption
        self.object_type = object_type

        self.scene_items = scene_items
        self.square_changed = square_changed
        self.space = 0.05   # is added to bbox of an object

        self.object_side_length_x = self.object_type.bbox.dimensions[0] + self.space
        self.object_side_length_y = self.object_type.bbox.dimensions[1] + self.space
        self.poses = poses

        self.square = QtGui.QPolygon()

        self.previous_width = 0
        self.previous_height = 0

        self.items = []
        self.last_corner = "BR"

        if len(grid_points) == 0:
            self.min = [min_x, min_y]
            self.max = [min_x + square_width, min_y + square_height]
            self.pom_min = self.min     # to save original value because y is changed in update_bound
            self.pom_max = self.max
        else:
            self.min = list(min(grid_points))
            self.max = list(max(grid_points))

        self.orig_x = []
        self.orig_y = []

        self.desc = None
        self.dialog = None
        self.horizontal = False

        super(SquareItem, self).__init__(scene, min_x, min_y)
        self.fixed = fixed

        self.desc = DescItem(scene, self.min[0] - 0.01, self.min[1] - 0.015, self)
        self.desc.setFlag(QtGui.QGraphicsItem.ItemIgnoresTransformations)
        self.update_text()

        self.plus_btn = ButtonItem(scene, self.min[0] - 0.01, self.min[1] - 0.04, "+", self, self.plus_clicked, 1.25,
                                   QtCore.Qt.darkCyan, width=0.04)
        self.minus_btn = ButtonItem(scene, self.min[0] + 0.035, self.min[1] - 0.04, "-", self, self.minus_clicked, 1.25,
                                    QtCore.Qt.darkCyan, width=0.04)
        self.plus_btn.setEnabled(False)
        self.minus_btn.setEnabled(False)

        self.pts = []
        self.pts.append(SquarePointItem(scene, self.min[0], self.min[1], self, "BL", self.fixed))  # bottom-left corner
        self.pts.append(SquarePointItem(scene, self.max[0], self.min[1], self, "BR", self.fixed))  # bottom-right corner
        self.pts.append(SquarePointItem(scene, self.max[0], self.max[1], self, "TR", self.fixed))  # top-right corner
        self.pts.append(SquarePointItem(scene, self.min[0], self.max[1], self, "TL", self.fixed))  # top-left corner

        if len(poses) > 0 and self.fixed:
            # depicts fixed objects
            for pose in poses:
                it = PlaceItem(
                    self.scn,
                    "Object",
                    pose.pose.position.x,
                    pose.pose.position.y,
                    pose.pose.position.z,
                    conversions.q2a(pose.pose.orientation),
                    self.object_type,
                    None,
                    place_pose_changed=None,
                    fixed=True,
                    txt=False,
                    parent=self,
                    horizontal=self.horizontal
                )
                self.items.append(it)
        else:
            # depicts editable objects
            for i, pose in enumerate(poses):
                rot_point = None  # to save xy coordinates for rotation point (for rotating objects in a grid)
                if i == 0:
                    rot = True
                    pom = self.find_corner("TL").get_pos()
                    rot_point = [pom[0] - 0.025, pom[1] + 0.025]
                else:
                    rot = False
                it = PlaceItem(
                    self.scn,
                    "Object",
                    pose.pose.position.x,
                    pose.pose.position.y,
                    pose.pose.position.z,
                    conversions.q2a(pose.pose.orientation),
                    self.object_type,
                    None,
                    place_pose_changed=None,
                    fixed=False,
                    txt=False,
                    rot=rot,
                    rot_point=rot_point,
                    rotation_changed=self.items_rotation_changed,
                    parent=self,
                    horizontal=self.horizontal
                )
                it.update_point()
                self.items.append(it)

            if self.items:
                # rotation of all objects in a grid (list of all objects is handed over to
                # the first object. When the first object is rotated, all objects are
                # rotated)
                self.items[0].set_other_items(self.items[1:])
                self.plus_btn.setEnabled(True)
                self.minus_btn.setEnabled(True)
                self.dialog = DialogItem(self.scene(),
                                         self.pix2m(self.scene().width() / 2),
                                         0.1,
                                         translate(
                    "Place item",
                    "Object place pose options"),
                    [
                    translate(
                        "Place item", "Rotate |"),
                    translate(
                        "Place item", "Rotate --")
                ],
                    self.dialog_cb)

        if self.square_changed is not None:
            # to save grid points and objects into the ProgramItem message
            self.square_changed(self.get_square_points(), self.items)

        self.update_bound()
        self.update()

    '''
        Method updates text below the grid.
    '''

    def update_text(self):

        if self.desc is None:
            return

        desc = self.caption
        self.desc.set_content(desc)

    '''
        Method is called when "+" button is pushed. It increase spacing between objects and walls of the box,
        and between objects.
    '''

    def plus_clicked(self, btn):
        self.space += 0.01
        self.point_changed(True, self.last_corner)

    '''
        Method is called when "-" button is pushed. It decrease spacing between objects and walls of the box,
        and between objects.
    '''

    def minus_clicked(self, btn):
        if self.space > 0.02:
            self.space -= 0.01
            self.point_changed(True, self.last_corner)

    '''
        Method updates the bounding rectangle.
    '''

    def update_bound(self):

        self.min[0] = self.pix2m(self.pts[0].x())
        self.min[1] = self.pix2m(self.pts[0].y())
        self.max[0] = self.pix2m(self.pts[0].x())
        self.max[1] = self.pix2m(self.pts[0].y())

        self.orig_x = []
        self.orig_y = []
        for pt in self.pts:

            p = (self.pix2m(pt.x()), self.pix2m(pt.y()))

            if p[0] < self.min[0]:
                self.min[0] = p[0]
            if p[1] < self.min[1]:
                self.min[1] = p[1]

            if p[0] > self.max[0]:
                self.max[0] = p[0]
            if p[1] > self.max[1]:
                self.max[1] = p[1]

            point = pt.get_pos()
            self.orig_x.append(point[0])
            self.orig_y.append(point[1])

        self.pom_min = [min(self.orig_x), min(self.orig_y)]
        self.pom_max = [max(self.orig_x), max(self.orig_y)]

    '''
        Method returns a required corner.
    '''

    def find_corner(self, corner):
        for pt in self.pts:
            if pt.get_corner() == corner:
                return pt
        return None

    '''
        Metoda pre vykreslovanie gridu a objektov v nom. Je volana vzdy, ked sa pohne s niektorym rohom.
        Rovnomerne rozmiestnuje objekty v gride, kontroluje ci nie su v kolizii.
        Zaistuje ukladanie poloh bodov a gridu do spravy ProgramItem.

        Method depics the gird and objects in it. It is called, when some corner is moved.
        It secures even distribution of objects in the grid, checks collisions.
        Also secures saving grid points and positions of objects into the ProgramItem message.
    '''

    def point_changed(self, finished=False, corner=""):

        if self.fixed:
            return

        self.prepareGeometryChange()

        corner = corner

        # update of bounding rect
        self.update_bound()
        for pt in self.pts:
            if (pt.get_corner() == "BR") and pt.get_changed():
                self.find_corner("TR").setPos(pt.x(), self.find_corner("TR").y())
                self.find_corner("BL").setPos(self.find_corner("BL").x(), pt.y())
                self.desc.setPos(self.m2pix(self.min[0] - 0.01), self.m2pix(self.max[1] + 0.015))
                corner = "BR"
                pt.set_changed(False)
            elif (pt.get_corner() == "BL") and pt.get_changed():
                self.find_corner("TL").setPos(pt.x(), self.find_corner("TL").y())
                self.find_corner("BR").setPos(self.find_corner("BR").x(), pt.y())
                self.desc.setPos(self.m2pix(self.min[0] - 0.01), self.m2pix(self.max[1] + 0.015))
                corner = "BL"
                pt.set_changed(False)
            elif (pt.get_corner() == "TL") and pt.get_changed():
                self.find_corner("BL").setPos(pt.x(), self.find_corner("BL").y())
                self.find_corner("TR").setPos(self.find_corner("TR").x(), pt.y())
                self.desc.setPos(self.m2pix(self.min[0] - 0.01), self.m2pix(self.max[1] + 0.015))
                corner = "TL"
                pt.set_changed(False)
            elif (pt.get_corner() == "TR") and pt.get_changed():
                self.find_corner("BR").setPos(pt.x(), self.find_corner("BR").y())
                self.find_corner("TL").setPos(self.find_corner("TL").x(), pt.y())
                self.desc.setPos(self.m2pix(self.min[0] - 0.01), self.m2pix(self.max[1] + 0.015))
                corner = "TR"
                pt.set_changed(False)
            self.plus_btn.setPos(self.m2pix(self.min[0] - 0.01), self.m2pix(self.max[1] + 0.04))
            self.minus_btn.setPos(self.m2pix(self.min[0] + 0.035), self.m2pix(self.max[1] + 0.04))

        if corner != "":

            self.object_side_length_x = self.object_type.bbox.dimensions[0] + self.space
            if not self.horizontal:
                self.object_side_length_y = self.object_type.bbox.dimensions[1] + self.space
            else:
                self.object_side_length_y = self.object_type.bbox.dimensions[2] + self.space

            width_count = int(
                modf(
                    round(
                        (((self.max[0] - self.min[0]) - self.space) / self.object_side_length_x),
                        5))[1])
            height_count = int(
                modf(
                    round(
                        (((self.max[1] - self.min[1]) - self.space) / self.object_side_length_y),
                        5))[1])
            if self.previous_width != width_count or self.previous_height != height_count:
                ps = PoseStamped()
                if corner == "BR" or corner == "TR":
                    ps.pose.position.x = self.pom_min[0] + self.space / 2 + self.object_side_length_x / 2
                else:
                    ps.pose.position.x = self.pom_max[0] - self.space / 2 - self.object_side_length_x / 2

                if corner == "BR" or corner == "BL":
                    ps.pose.position.y = self.pom_max[1] - self.space / 2 - self.object_side_length_y / 2
                else:
                    ps.pose.position.y = self.pom_min[1] + self.space / 2 + self.object_side_length_y / 2
                ps.pose.orientation.w = 1.0

                if self.items:
                    rotation = self.items[0].rotation()
                else:
                    rotation = 0.0

                for it in self.items:
                    self.scn.removeItem(it)
                del self.items[:]

                for i in range(0, height_count):
                    for j in range(0, width_count):
                        rot_point = None    # to save xy coordinates for rotation point (for rotating objects in a grid)
                        if corner == "BR" and i == 0 and j == 0:
                            rot = True
                            pom = self.find_corner("TL").get_pos()
                            rot_point = [pom[0] - 0.025, pom[1] + 0.025]
                        elif corner == "BL" and i == 0 and j == 0:
                            rot = True
                            pom = self.find_corner("TR").get_pos()
                            rot_point = [pom[0] + 0.025, pom[1] + 0.025]
                        elif corner == "TR" and i == 0 and j == 0:
                            rot = True
                            pom = self.find_corner("BL").get_pos()
                            rot_point = [pom[0] - 0.025, pom[1] - 0.025]
                        elif corner == "TL" and i == 0 and j == 0:
                            rot = True
                            pom = self.find_corner("BR").get_pos()
                            rot_point = [pom[0] + 0.025, pom[1] - 0.025]
                        else:
                            rot = False
                        it = PlaceItem(
                            self.scn,
                            "Object",
                            ps.pose.position.x,
                            ps.pose.position.y,
                            ps.pose.position.z,
                            conversions.q2a(ps.pose.orientation),
                            self.object_type,
                            None,
                            place_pose_changed=None,
                            fixed=False,
                            txt=False,
                            rot=rot,
                            rot_point=rot_point,
                            rotation_changed=self.items_rotation_changed,
                            parent=self,
                            horizontal=self.horizontal
                        )
                        it.setRotation(rotation)
                        it.update_point()
                        self.items.append(it)

                        if corner == "BR" or corner == "TR":
                            ps.pose.position.x += self.object_side_length_x  # BR TR
                        else:
                            ps.pose.position.x -= self.object_side_length_x  # TL BL
                    if corner == "BR" or corner == "TR":
                        ps.pose.position.x = self.pom_min[0] + self.space / 2 + self.object_side_length_x / 2  # BR a TR
                    else:
                        ps.pose.position.x = self.pom_max[0] - self.space / 2 - self.object_side_length_x / 2  # TL BL

                    if corner == "BR" or corner == "BL":
                        ps.pose.position.y -= self.object_side_length_y + self.space / 2   # BR BL
                    else:
                        ps.pose.position.y += self.object_side_length_y + self.space / 2  # TL TR
                self.previous_width = width_count
                self.previous_height = height_count

            self.last_corner = corner

            # rotation of all objects in a grid (list of all objects is handed over to
            # the first object. When the first object is rotated, all objects are
            # rotated)
            if self.items:
                self.items[0].set_other_items(self.items[1:])

        if finished and self.square_changed is not None:

            # even distribution of objects in the grid
            if self.items:
                new_object_length_x = ((self.pom_max[0] - self.pom_min[0]) - self.space) / self.previous_width
                new_object_length_y = ((self.pom_max[1] - self.pom_min[1]) - self.space) / self.previous_height

                for i, it in enumerate(self.items):
                    if self.last_corner == "BR" or self.last_corner == "TR":
                        new_x = self.pom_min[0] + self.space / 2 + new_object_length_x / \
                            2 + new_object_length_x * (i % self.previous_width)
                    else:
                        new_x = self.pom_max[0] - self.space / 2 - new_object_length_x / \
                            2 - new_object_length_x * (i % self.previous_width)

                    if self.last_corner == "BR" or self.last_corner == "BL":
                        new_y = self.pom_max[1] - self.space / 2 - new_object_length_y / 2 - new_object_length_y * (
                            i / self.previous_width)
                    else:
                        new_y = self.pom_min[1] + self.space / 2 + new_object_length_y / 2 + new_object_length_y * (
                            i / self.previous_width)
                    it.set_pos(new_x, new_y)
                    it.update_point()

                for it in self.items:   # to check if there are still some collisions
                    it.item_moved()

            self.plus_btn.setEnabled(True)
            self.minus_btn.setEnabled(True)

            if self.last_corner == "BR" or self.last_corner == "BL":  # TODO: skontrolovat ci nema byt TR a TL!!
                self.items.reverse()    # we want robot always to place object from furthest line

            in_collision = False
            for it in self.items:   # to check collisions
                if it.in_collision:
                    in_collision = True
                    break
            if in_collision:
                # to save only grid points into the ProgramItem message
                self.square_changed(self.get_square_points(), [])
            else:
                # to save grid points and objects into the ProgramItem message
                self.square_changed(self.get_square_points(), self.items)

        self.update()

    def dialog_cb(self, idx):
        if idx == 0:
            self.horizontal = False
            self.point_changed(True, "BR")
        else:
            self.horizontal = True
            self.point_changed(True, "BR")

    '''
        Method returns grid points.
    '''

    def get_square_points(self):

        pts = []

        for pt in self.pts:

            pts.append(pt.get_pos())

        return pts

    '''
        Method which is called after releasing the grid.
        It saves new positions of grid points and objects into the ProgramItem message.
        It checks collisions between grid objects and scene objects.
    '''

    def cursor_release(self):

        if self.fixed:
            return
        for it in self.items:
            it.item_moved()

        if self.square_changed is not None:
            in_collision = False
            for it in self.items:  # to check collisions
                if it.in_collision:
                    in_collision = True
                    break
            if in_collision:
                # to save only grid points into the ProgramItem message
                self.square_changed(self.get_square_points(), [])
            else:
                # to save grid points and objects into the ProgramItem message
                self.square_changed(self.get_square_points(), self.items)

    def cursor_press(self):

        pass

    '''
        Method saves new rotations after rotating objects.
    '''

    def items_rotation_changed(self, items):

        # to save grid points and objects into the ProgramItem message
        self.square_changed(self.get_square_points(), items)

    '''
        Method returns the shape of this grid as a QPainterPath in local coordinates.
    '''

    def shape(self):

        path = QtGui.QPainterPath()
        path.addPolygon(QtGui.QPolygonF(self.square))
        return path

    '''
        Method defines the outer bounds of the item as a rectangle.
    '''

    def boundingRect(self):

        return QtCore.QRectF(
            self.m2pix(
                self.min[0]) -
            2.5,
            self.m2pix(
                self.min[1]) -
            2.5,
            self.m2pix(
                self.max[0] -
                self.min[0]) +
            5,
            self.m2pix(
                self.max[1] -
                self.min[1]) +
            5)

    '''
        Method paints the grid.
    '''

    def paint(self, painter, option, widget):

        painter.setClipRect(option.exposedRect)
        painter.setRenderHint(QtGui.QPainter.Antialiasing)

        pen = QtGui.QPen()
        pen.setStyle(QtCore.Qt.DotLine)
        pen.setWidth(5)
        pen.setBrush(QtCore.Qt.white)
        pen.setCapStyle(QtCore.Qt.RoundCap)
        pen.setJoinStyle(QtCore.Qt.RoundJoin)

        painter.setPen(pen)

        self.square = QtGui.QPolygon()

        for i in range(0, len(self.pts)):

            self.square.append(self.pts[i].pos().toPoint())

        painter.drawPolygon(self.square)
Esempio n. 12
0
    def __init__(
            self,
            scene,
            x,
            y,
            program_headers,
            learned_dict,
            selected_program_id=None,
            program_selected_cb=None,
            program_selection_changed_cb=None):

        self.w = 100
        self.h = 100

        self.program_headers = program_headers
        self.learned_dict = learned_dict
        self.program_selected_cb = program_selected_cb
        self.program_selection_changed_cb = program_selection_changed_cb

        super(ProgramListItem, self).__init__(scene, x, y)

        self.w = self.m2pix(0.2)
        self.h = self.m2pix(0.25)

        self.fixed = False
        self.setZValue(100)

        title = DescItem(self.scene(), 0, 0, self)
        title.set_content(translate("ProgramListItem", "Program list"), 1.2)
        title.setPos(QtCore.QPointF(self.m2pix(0.01), self.m2pix(0.01)))  # TODO it should take coords given to __init__

        data = []
        self.map_from_idx_to_program_id = {}
        self.map_from_program_id_to_idx = {}

        self.program_headers.sort(key=lambda p: p.id)

        for ph in self.program_headers:

            data.append("Program " + str(ph.id) + "\n" + ph.name)
            idx = len(data) - 1
            self.map_from_idx_to_program_id[idx] = ph.id
            self.map_from_program_id_to_idx[ph.id] = idx

        self.list = ListItem(scene, 0, 0, 0.2 - 2 * 0.005, data, self.item_selected_cb, parent=self)

        for idx in range(0, len(data)):

            if not self.learned_dict[self.map_from_idx_to_program_id[idx]]:
                self.list.items[idx].set_background_color(QtCore.Qt.red)

        rospack = rospkg.RosPack()
        icons_path = rospack.get_path('art_projected_gui') + '/icons/'

        self.run_btn = ButtonItem(scene, 0, 0, "BTN", self, self.run_btn_cb, image_path=icons_path + "run.svg")
        self.edit_btn = ButtonItem(scene, 0, 0, "BTN", self, self.edit_btn_cb, image_path=icons_path + "edit.svg")
        self.template_btn = ButtonItem(scene, 0, 0, "BTN", self, self.template_btn_cb,
                                       image_path=icons_path + "template.svg")
        self.visualize_btn = ButtonItem(scene, 0, 0, "BTN", self, self.visualize_btn_cb,
                                        image_path=icons_path + "visualize.svg")

        self.run_btn.set_enabled(False)
        self.edit_btn.set_enabled(False)
        self.template_btn.set_enabled(False)
        self.visualize_btn.set_enabled(False)

        if selected_program_id is not None:

            self.list.set_current_idx(self.map_from_program_id_to_idx[selected_program_id])

        sp = self.m2pix(0.005)
        # h = title.mapToParent(title.boundingRect().bottomLeft()).y() + sp
        h = 0

        self.list.setPos(sp, h)
        h += self.list._height()
        h += 2 * sp

        btns = (self.run_btn, self.edit_btn, self.template_btn, self.visualize_btn)

        self._place_childs_horizontally(h, sp, btns)
        h += self.run_btn._height()

        h += 3 * sp

        self.h = h

        self.setFlag(QtGui.QGraphicsItem.ItemIsMovable, True)
        self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, True)

        self.update()
Esempio n. 13
0
class ObjectItem(Item):

    """The class to visualize (detected) object.

    It currently supports only rotation around z-axis.

    """

    def __init__(self, scene, object_id, object_type, x,
                 y, z, quaternion=(0, 0, 0, 1), sel_cb=None, selected=False, parent=None, horizontal=False):

        self.object_id = object_id
        self.selected = selected
        self.sel_cb = sel_cb
        self.horizontal = horizontal
        # TODO check bbox type and use rectangle (used now) / ellipse, consider
        # other angles
        self.object_type = object_type
        self.inflate = 0.01
        self.def_color = QtCore.Qt.gray
        self.lx = 0
        self.ly = 0

        self.desc = None
        self.quaternion = (0, 0, 0, 1)
        self.on_table = False

        super(ObjectItem, self).__init__(scene, x, y, z, parent=parent)

        self.desc = DescItem(scene, 0, 0, parent=self)
        self.desc.setFlag(QtGui.QGraphicsItem.ItemIgnoresTransformations)

        self.update_text()

        self.set_orientation(quaternion)

        if selected:
            self.set_selected()

        self._update_desc_pos()
        self.setZValue(50)

    def set_color(self, color=QtCore.Qt.gray):

        self.def_color = color
        self.update()

    def _update_desc_pos(self):

        if self.desc is not None:

            # make upper left corner of description aligned with left extent of
            # the (possibly rotated) object bounding box (highlight area)
            self.desc.setPos(
                self.mapFromScene(
                    self.x() -
                    self.sceneBoundingRect().width() /
                    2,
                    self.y() +
                    self.sceneBoundingRect().height() /
                    2 +
                    self.m2pix(0.01)))

    def set_pos(self, x, y, z=None, parent_coords=False):

        super(ObjectItem, self).set_pos(x, y, z, parent_coords)
        self._update_desc_pos()
        self.update_text()

    def get_yaw_axis(self):

        ax = ((1, 0, 0), (0, 1, 0), (0, 0, 1))

        for idx in range(0, len(ax)):

            res = conversions.qv_mult(self.quaternion, ax[idx])

            # TODO euclid dist
            if conversions.is_close(res[0], 0, abs_tol=0.1) and conversions.is_close(res[1], 0, abs_tol=0.1):

                return idx

        return -1

    def set_orientation(self, q):

        self.quaternion = q

        ax = self.get_yaw_axis()

        if ax == ObjectItem.Z:

            self.lx = self.m2pix(self.inflate + self.object_type.bbox.dimensions[0])
            self.ly = self.m2pix(self.inflate + self.object_type.bbox.dimensions[1])

            sres = conversions.qv_mult(self.quaternion, (1, 0, 0))
            angle = math.atan2(sres[1], sres[0])

            self.on_table = self.position[2] < self.object_type.bbox.dimensions[2] + 0.05

        elif ax in [ObjectItem.X, ObjectItem.Y]:

            res = conversions.qv_mult(self.quaternion, (0, 0, 1))

            self.lx = self.m2pix(self.inflate + self.object_type.bbox.dimensions[2])

            # TODO use correct dimension (x/y) - now let's assume that x and y dimensions are same
            self.ly = self.m2pix(self.inflate + self.object_type.bbox.dimensions[1])

            angle = math.atan2(res[1], res[0])

            self.on_table = self.position[2] < self.object_type.bbox.dimensions[0] + 0.05

        else:

            self.set_enabled(False, True)
            return

        self.setRotation(-angle / (math.pi * 2) * 360)

        # TODO if not on table - display somewhere list of detected objects or what?
        self.set_enabled(self.on_table, True)

        self.update()

    def update_text(self):

        if self.desc is None:
            return

        desc = ""
        desc += translate("ObjectItem", "ID: ") + self.object_id

        if self.hover:

            desc += "\n" + translate("ObjectItem",
                                     "TYPE: ") + self.object_type.name
            desc += "\n" + self.get_pos_str()

        self.desc.set_content(desc)

    def hover_changed(self):

        self.update_text()
        self.update()

    def boundingRect(self):

        if not self.scene():

            return QtCore.QRectF()

        self.lx = self.hover_ratio * self.inflate * \
            self.m2pix(self.object_type.bbox.dimensions[0])
        if not self.horizontal:
            self.ly = self.hover_ratio * self.inflate * \
                self.m2pix(self.object_type.bbox.dimensions[1])
        else:
            self.ly = self.hover_ratio * self.inflate * \
                 self.m2pix(self.object_type.bbox.dimensions[2])
        p = 10.0
        return QtCore.QRectF(-self.lx / 2 - p, -self.ly / 2 - p, self.lx + 2 * p, self.ly + 2 * p)

    def paint(self, painter, option, widget):

        if not self.scene():
            return

        if not self.on_table:
            return

        painter.setClipRect(option.exposedRect)
        painter.setRenderHint(QtGui.QPainter.Antialiasing)

        # if not self.horizontal:
        #     self.ly = self.m2pix(self.inflate + self.object_type.bbox.dimensions[1])
        # else:
        #     self.ly = self.m2pix(self.inflate + self.object_type.bbox.dimensions[2])

        rr = 10

        painter.setBrush(QtCore.Qt.NoBrush)
        pen = QtGui.QPen(self.def_color, 5, QtCore.Qt.SolidLine, QtCore.Qt.RoundCap)

        if self.selected:

            pen.setColor(QtCore.Qt.green)
            pen.setWidth(10)

        elif self.hover:

            pen.setWidth(10)

        painter.setPen(pen)

        painter.drawRoundedRect(-self.lx / 2, -self.ly / 2, self.lx,
                                self.ly, rr, rr, QtCore.Qt.RelativeSize)

    def cursor_press(self):

        # TODO call base class method

        if self.sel_cb is not None:
            # callback should handle object selection
            self.sel_cb(self.object_id, self.selected)

        else:
            # no callback - object will handle its selection
            if not self.selected:
                self.set_selected()
            else:
                self.set_selected(False)

    def set_selected(self, selected=True):

        if selected:

            self.selected = True
            # rospy.logdebug('Object ID ' + self.object_id + ' selected')

        else:

            self.selected = False
            # rospy.logdebug('Object ID ' + self.object_id + ' unselected')

        self.update()
Esempio n. 14
0
class ProgramItem(Item):
    def __init__(self,
                 scene,
                 x,
                 y,
                 program_helper,
                 instruction,
                 ih,
                 done_cb=None,
                 item_switched_cb=None,
                 learning_request_cb=None,
                 pause_cb=None,
                 cancel_cb=None,
                 stopped=False,
                 visualize=False,
                 v_visualize_cb=None,
                 v_back_cb=None,
                 vis_pause_cb=None,
                 vis_stop_cb=None,
                 vis_replay_cb=None,
                 vis_back_to_blocks_cb=None):

        self.w = 100
        self.h = 100

        self.instruction = instruction
        self.ih = ih

        self.done_cb = done_cb
        self.item_switched_cb = item_switched_cb
        self.learning_request_cb = learning_request_cb
        self.pause_cb = pause_cb
        self.cancel_cb = cancel_cb

        self.readonly = False
        self.stopped = stopped

        # variables for HoloLens visualization
        self.visualize = visualize
        self.visualization_paused = False
        # callbacks for visualization buttons
        self.v_visualize_cb = v_visualize_cb
        self.v_back_cb = v_back_cb
        self.vis_pause_cb = vis_pause_cb
        self.vis_stop_cb = vis_stop_cb
        self.vis_replay_cb = vis_replay_cb
        self.vis_back_to_blocks_cb = vis_back_to_blocks_cb

        super(ProgramItem, self).__init__(scene, x, y)

        self.title = DescItem(self.scene(), 0, 0, self)

        # TODO it should take coords given to __init__
        self.title.setPos(QtCore.QPointF(self.m2pix(0.01), self.m2pix(0.01)))

        self.w = self.m2pix(0.2)
        self.h = self.m2pix(0.25)
        self.sp = self.m2pix(0.005)

        self.ph = program_helper

        self.block_id = None
        self.item_id = None

        self.block_learned = False
        self.program_learned = False

        # block "view"
        self.block_finished_btn = ButtonItem(self.scene(),
                                             0,
                                             0,
                                             "BTN",
                                             self,
                                             self.block_finished_btn_cb,
                                             image_path=icons_path +
                                             "back.svg")
        self.block_edit_btn = ButtonItem(self.scene(),
                                         0,
                                         0,
                                         "BTN",
                                         self,
                                         self.block_edit_btn_cb,
                                         image_path=icons_path + "edit.svg")

        self.block_on_success_btn = ButtonItem(self.scene(),
                                               0,
                                               0,
                                               "BTN",
                                               self,
                                               self.block_on_success_btn_cb,
                                               image_path=icons_path +
                                               "success.svg")
        self.block_on_failure_btn = ButtonItem(self.scene(),
                                               0,
                                               0,
                                               "BTN",
                                               self,
                                               self.block_on_failure_btn_cb,
                                               image_path=icons_path +
                                               "failure.svg")

        # block "view" when in visualization
        self.program_visualize_btn = ButtonItem(
            self.scene(), 0, 0, translate("ProgramItem", "Visualize Program"),
            self, self.program_visualize_btn_cb)
        self.block_visualize_btn = ButtonItem(
            self.scene(), 0, 0, translate("ProgramItem", "Visualize Block"),
            self, self.block_visualize_btn_cb)
        self.block_back_btn = ButtonItem(self.scene(), 0, 0,
                                         translate("ProgramItem", "Back"),
                                         self, self.block_back_btn_cb)

        bdata = []

        self.blocks_map = {}  # map from indexes (key) to block_id (value)
        self.blocks_map_rev = {}

        for i in range(len(self.ph.get_program().blocks)):

            bmsg = self.ph.get_program().blocks[i]

            bdata.append(
                translate("ProgramItem",
                          "Block %1\n%2\nSuccess: %3, failure: %4").arg(
                              bmsg.id).arg(bmsg.name).arg(bmsg.on_success).arg(
                                  bmsg.on_failure))
            idx = len(bdata) - 1
            self.blocks_map[idx] = bmsg.id
            self.blocks_map_rev[bmsg.id] = idx

        self.blocks_list = ListItem(self.scene(),
                                    0,
                                    0,
                                    0.2 - 2 * 0.005,
                                    bdata,
                                    self.block_selected_cb,
                                    parent=self)

        for k, v in self.blocks_map.iteritems():

            self._update_block(v)

        y = self.title.mapToParent(self.title.boundingRect().bottomLeft()).y()
        self.blocks_list.setPos(self.sp, y)
        y += self.blocks_list._height() + self.sp

        if visualize:
            self._place_childs_horizontally(y, self.sp, [
                self.program_visualize_btn, self.block_visualize_btn,
                self.block_back_btn
            ])

            y += self.block_visualize_btn._height() + self.sp

            self.block_back_btn.set_enabled(True)
            self.block_visualize_btn.set_enabled(False)
            self.program_visualize_btn.set_enabled(True)

            # hide edit block buttons
            group_visible(
                (self.block_finished_btn, self.block_edit_btn,
                 self.block_on_failure_btn, self.block_on_success_btn), False)

        else:
            self._place_childs_horizontally(y, self.sp, [
                self.block_edit_btn, self.block_on_success_btn,
                self.block_on_failure_btn, self.block_finished_btn
            ])

            y += self.block_finished_btn._height() + self.sp

            group_enable((self.block_edit_btn, self.block_on_failure_btn,
                          self.block_on_success_btn), False)
            # hide visualization block buttons
            group_visible((self.block_visualize_btn,
                           self.program_visualize_btn, self.block_back_btn),
                          False)

        self.h = y

        # items "view"
        self.item_edit_btn = ButtonItem(self.scene(),
                                        0,
                                        0,
                                        translate("ProgramItem", "Ed"),
                                        self,
                                        self.item_edit_btn_cb,
                                        image_path=icons_path + "edit.svg")
        self.item_run_btn = ButtonItem(self.scene(),
                                       0,
                                       0,
                                       "BTN",
                                       self,
                                       self.item_run_btn_cb,
                                       image_path=icons_path + "run.svg")
        self.item_on_success_btn = ButtonItem(self.scene(),
                                              0,
                                              0,
                                              "BTN",
                                              self,
                                              self.item_on_success_btn_cb,
                                              image_path=icons_path +
                                              "success.svg")
        self.item_on_failure_btn = ButtonItem(self.scene(),
                                              0,
                                              0,
                                              "BTN",
                                              self,
                                              self.item_on_failure_btn_cb,
                                              image_path=icons_path +
                                              "failure.svg")
        self.item_finished_btn = ButtonItem(self.scene(),
                                            0,
                                            0,
                                            "BTN",
                                            self,
                                            self.item_finished_btn_cb,
                                            image_path=icons_path + "back.svg")

        self.items_list = None

        group_visible((self.item_finished_btn, self.item_run_btn,
                       self.item_on_success_btn, self.item_on_failure_btn,
                       self.item_edit_btn), False)

        # readonly (program running) "view"
        self.pr_pause_btn = ButtonItem(self.scene(),
                                       0,
                                       0,
                                       "BTN",
                                       self,
                                       self.pr_pause_btn_cb,
                                       image_path=icons_path + "pause.svg")

        if self.stopped:
            self.pr_pause_btn.set_image(icons_path + "run.svg")

        self.pr_cancel_btn = ButtonItem(self.scene(),
                                        0,
                                        0,
                                        "BTN",
                                        self,
                                        self.pr_cancel_btn_cb,
                                        image_path=icons_path + "stop.svg")

        group_visible((self.pr_pause_btn, self.pr_cancel_btn), False)

        # buttons for HoloLens visualization
        self.vis_pause_btn = ButtonItem(self.scene(), 0, 0,
                                        translate("ProgramItem", "Resume"),
                                        self, self.vis_pause_btn_cb)
        # quick hack .. init button with 'Resume' caption and switch back to
        # 'Pause' to keep the button large enough for text switching
        if not self.visualization_paused:
            self.vis_pause_btn.set_caption(translate("ProgramItem", "Pause"))
        self.vis_stop_btn = ButtonItem(self.scene(), 0, 0,
                                       translate("ProgramItem", "Stop"), self,
                                       self.vis_stop_btn_cb)
        self.vis_replay_btn = ButtonItem(self.scene(), 0, 0,
                                         translate("ProgramItem", "Replay"),
                                         self, self.vis_replay_btn_cb)
        self.vis_back_btn = ButtonItem(
            self.scene(), 0, 0, translate("ProgramItem", "Back to blocks"),
            self, self.vis_back_btn_cb)
        group_visible((self.vis_pause_btn, self.vis_stop_btn,
                       self.vis_replay_btn, self.vis_back_btn), False)

        self.fixed = False

        self.editing_item = False
        self.edit_request = False
        self.run_request = False

        self.setFlag(QtGui.QGraphicsItem.ItemIsMovable, True)
        self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, True)

        self.setZValue(100)

        self._update_learned()
        self.update()

        if self.item_switched_cb:
            self.item_switched_cb(None, None, blocks=True)

    def _update_title(self):

        color = QtCore.Qt.white

        if self.items_list is not None:

            if not self.block_learned and not self.readonly:

                color = QtCore.Qt.red

            self.title.set_content(translate(
                "ProgramItem", "Program %1, block %2").arg(
                    self.ph.get_program_id()).arg(self.block_id),
                                   scale=1.2,
                                   color=color)

        else:

            if not self.program_learned and not self.readonly:
                color = QtCore.Qt.red

            self.title.set_content(translate("ProgramItem", "Program %1").arg(
                self.ph.get_program_id()),
                                   scale=1.2,
                                   color=color)

    def pr_pause_btn_cb(self, btn):

        if self.pause_cb is not None:
            ret = self.pause_cb()

            if ret:

                # set disabled and wait for state update
                self.set_enabled(False)

    def pr_cancel_btn_cb(self, btn):

        if self.cancel_cb is not None:
            ret = self.cancel_cb()

            if ret:

                # set disabled and wait for state update
                self.set_enabled(False)

    def vis_pause_btn_cb(self, btn):
        # callback which notifies HoloLens that pause/resume button was hit
        if self.vis_pause_cb is not None:
            self.vis_pause_cb(self.visualization_paused)

        # if visualization is paused .. then resume it - e.g. hit RESUME button
        if self.visualization_paused:
            self.visualization_paused = False
            self.vis_pause_btn.set_caption(translate("ProgramItem", "Pause"))
        # or visualization is running .. then pause it - e.g. hit PAUSE button
        else:
            self.visualization_paused = True
            self.vis_pause_btn.set_caption(translate("ProgramItem", "Resume"))

    def vis_stop_btn_cb(self, btn):
        # callback which notifies HoloLens that stop button was hit
        if self.vis_stop_cb is not None:
            self.vis_stop_cb()

        # make sure that visualization is not paused and handle it's button caption properly
        if self.visualization_paused:
            self.visualization_paused = False
            self.vis_pause_btn.set_caption(translate("ProgramItem", "Pause"))

        group_enable((self.vis_stop_btn, self.vis_pause_btn), False)
        group_enable((self.vis_replay_btn, self.vis_back_btn), True)

    def vis_replay_btn_cb(self, btn):
        # callback which notifies HoloLens that replay button was hit
        if self.vis_replay_cb is not None:
            self.vis_replay_cb()

        group_enable((self.vis_stop_btn, self.vis_pause_btn), True)
        group_enable((self.vis_replay_btn, self.vis_back_btn), False)

    def vis_back_btn_cb(self, btn):

        # callback which notifies HoloLens that visualization ended
        if self.vis_back_to_blocks_cb is not None:
            self.vis_back_to_blocks_cb()

        # go back to blocks view from visualization
        group_visible((self.block_visualize_btn, self.program_visualize_btn,
                       self.block_back_btn, self.blocks_list), True)
        self.block_back_btn.set_enabled(True)
        self.program_visualize_btn.set_enabled(True)
        self.show_visualization_buttons(False)
        self.block_selected_cb(
        )  # TODO extract method to set buttons to proper state
        self.blocks_list.setEnabled(True)

        self.scene().removeItem(self.items_list)
        self.items_list = None
        self.item_id = None

        if self.item_switched_cb is not None:

            self.item_switched_cb(*self.cid)

        self.update()

    def _update_learned(self):

        if self.block_id is not None:
            self.block_learned = self.ph.block_learned(self.block_id)
        self.program_learned = self.ph.program_learned()
        self._update_title()

    def set_readonly(self, readonly):

        self.readonly = readonly

        if self.readonly:

            if self.items_list is not None:

                self.items_list.setVisible(True)
                self.items_list.setEnabled(False)

            self.blocks_list.set_enabled(False, True)

            group_visible(
                (self.block_finished_btn, self.block_edit_btn,
                 self.block_on_failure_btn, self.block_on_success_btn), False)
            group_enable((self.pr_pause_btn, self.pr_cancel_btn), True)

        else:

            # TODO
            pass

        self.update()

    def set_program_btns_enabled(self, state):

        group_enable((self.pr_pause_btn, self.pr_cancel_btn), state)

    def set_active(self, block_id, item_id):

        # print "set_active", block_id, item_id

        old_block_id = self.block_id

        self.block_id = block_id
        self.item_id = item_id

        if old_block_id != self.block_id and item_id is not None:
            # remove old list first
            self.scene().removeItem(self.items_list)
            self.items_list = None
            # init new one
            self._init_items_list()

        if self.item_id is not None:
            self.items_list.set_current_idx(self.items_map_rev[self.item_id],
                                            select=True)

            self._handle_item_btns()

            group_visible(
                (self.block_finished_btn, self.block_edit_btn,
                 self.block_on_failure_btn, self.block_on_success_btn,
                 self.block_visualize_btn, self.program_visualize_btn,
                 self.block_back_btn, self.blocks_list), False)

        else:

            self.blocks_list.set_current_idx(
                self.blocks_map_rev[self.block_id], select=True)

        self._update_title()

    def get_text_for_item(self, block_id, item_id):

        item = self.ph.get_item_msg(block_id, item_id)

        text = str(item.id)
        text += " | "

        # TODO deal with long strings
        if item.name:
            text += item.name
        else:
            text += self.ih[item.type].gui.learn.NAME

        if len(item.ref_id) > 0:

            if self.ph.item_has_nothing_to_set(block_id, item_id):

                text += translate("ProgramItem",
                                  " (copy of %1)").arg(item.ref_id[0])
            # else:
            #    text += translate("ProgramItem", " (refers to %1)").arg(', '.join(str(x) for x in item.ref_id))

        if item.type in self.ih.properties.using_object:

            (obj, ref_id) = self.ph.get_object(block_id, item_id)

            text += "\n"

            if self.ph.is_object_set(block_id, item_id):

                obj_txt = obj[0]

            else:

                obj_txt = "??"

            text += translate("ProgramItem",
                              "     Object type: %1").arg(obj_txt)

            if ref_id != item_id:

                text += translate("ProgramItem",
                                  " (same as in %1)").arg(ref_id)

        # instruction-specific additional text
        # TODO it should use different class when running?
        text += self.ih[item.type].gui.learn.get_text(self.ph, block_id,
                                                      item_id)

        text += "\n"
        text += translate("ProgramItem", "     Success: %1, failure: %2").arg(
            item.on_success).arg(item.on_failure)

        return text

    def show_visualization_buttons(self, buttons_visible):
        """Shows or hides buttons for visualization mode for HoloLens"""
        group_visible((self.vis_pause_btn, self.vis_stop_btn,
                       self.vis_replay_btn, self.vis_back_btn),
                      buttons_visible)

    def _init_items_list(self):

        idata = []
        self.items_map = {}  # map from indexes (key) to item_id (value)
        self.items_map_rev = {}

        bmsg = self.ph.get_block_msg(self.block_id)

        for i in range(len(bmsg.items)):

            item_id = bmsg.items[i].id

            idata.append(self.get_text_for_item(self.block_id, item_id))
            self.items_map[i] = item_id
            self.items_map_rev[item_id] = i

        self.items_list = ListItem(self.scene(),
                                   0,
                                   0,
                                   0.2 - 2 * 0.005,
                                   idata,
                                   self.item_selected_cb,
                                   parent=self)

        for k, v in self.items_map.iteritems():

            if self.ph.get_item_msg(
                    self.block_id,
                    v).type in self.ih.properties.runnable_during_learning:
                self._update_item(self.block_id, v)
            else:
                self.items_list.items[k].set_enabled(False)

        y = self.title.mapToParent(
            self.title.boundingRect().bottomLeft()).y() + self.sp
        self.items_list.setPos(self.sp, y)
        y += self.items_list._height() + self.sp

        # in running state
        if self.readonly:

            self.items_list.setEnabled(False)

            self._place_childs_horizontally(
                y, self.sp, [self.pr_pause_btn, self.pr_cancel_btn])
            y += self.pr_pause_btn._height() + 3 * self.sp

            pr = (self.pr_pause_btn, self.pr_cancel_btn)
            group_enable(pr, True)

            group_visible((self.item_finished_btn, self.item_run_btn,
                           self.item_on_success_btn, self.item_on_failure_btn,
                           self.item_edit_btn), False)

            self.show_visualization_buttons(False)

        # going to HoloLens visualization
        elif self.visualize:

            self.items_list.setEnabled(False)

            self._place_childs_horizontally(
                y, self.sp,
                [self.vis_pause_btn, self.vis_stop_btn, self.vis_replay_btn])

            y += self.vis_back_btn._height() + self.sp

            self._place_childs_horizontally(y, self.sp, [self.vis_back_btn])

            y += self.vis_back_btn._height() + 3 * self.sp

            self.show_visualization_buttons(True)
            group_enable((self.vis_pause_btn, self.vis_stop_btn), True)
            self.vis_back_btn.set_enabled(False)

            group_visible((self.pr_pause_btn, self.pr_cancel_btn), False)

            group_visible((self.item_run_btn, self.item_on_success_btn,
                           self.item_on_failure_btn, self.item_edit_btn),
                          False)

        # in learning state
        else:

            btns = (self.item_edit_btn, self.item_run_btn,
                    self.item_on_success_btn, self.item_on_failure_btn,
                    self.item_finished_btn)

            self._place_childs_horizontally(y, self.sp, btns)
            y += max(btn._height() for btn in btns)

            y += self.sp

            group_visible((self.item_finished_btn, self.item_run_btn,
                           self.item_on_success_btn, self.item_on_failure_btn,
                           self.item_edit_btn), True)
            self.item_finished_btn.setEnabled(True)
            group_enable((self.item_run_btn, self.item_on_failure_btn,
                          self.item_on_success_btn, self.item_on_failure_btn),
                         False)

            group_visible((self.pr_pause_btn, self.pr_cancel_btn), False)

            self.show_visualization_buttons(False)

        self.h = y
        self._update_title()
        self.update()
        if self.item_switched_cb:
            self.item_switched_cb(self.block_id, self.item_id, blocks=False)

    def block_edit_btn_cb(self, btn):

        group_visible((self.block_finished_btn, self.block_edit_btn,
                       self.item_on_success_btn, self.block_on_failure_btn,
                       self.block_on_success_btn, self.blocks_list), False)

        self._init_items_list()

    def block_visualize_btn_cb(self, btn):

        group_visible((self.block_visualize_btn, self.program_visualize_btn,
                       self.block_back_btn, self.blocks_list), False)

        # callback which notifies HoloLens that visualization started
        if self.v_visualize_cb is not None:
            self.v_visualize_cb(visualize_whole_program=False)

        self._init_items_list()

    def program_visualize_btn_cb(self, btn):

        group_visible((self.block_visualize_btn, self.program_visualize_btn,
                       self.block_back_btn, self.blocks_list), False)

        # callback which notifies HoloLens that visualization started
        if self.v_visualize_cb is not None:
            self.v_visualize_cb(visualize_whole_program=True)

        self.block_id = self.ph.get_first_block_id()
        self._init_items_list()

    # go back from block view visualization into main menu
    def block_back_btn_cb(self, btn):

        group_visible((self.block_visualize_btn, self.program_visualize_btn,
                       self.block_back_btn), False)

        # callback which notifies HoloLens that visualization ended
        if self.v_back_cb is not None:
            self.v_back_cb()

    def block_selected_cb(self):

        if self.blocks_list.selected_item_idx is not None:

            self.block_id = self.blocks_map[self.blocks_list.selected_item_idx]

            self.block_on_failure_btn.set_enabled(
                self.ph.get_block_on_failure(self.block_id) != 0)
            self.block_on_success_btn.set_enabled(
                self.ph.get_block_on_success(self.block_id) != 0)

            self.block_edit_btn.set_enabled(True)
            self.block_visualize_btn.set_enabled(True)

            if self.item_switched_cb:

                self.item_switched_cb(self.block_id, None, blocks=True)

            self._update_learned()

        else:

            self.block_id = None
            self.item_id = None
            self.block_edit_btn.set_enabled(False)
            self.block_on_failure_btn.set_enabled(False)
            self.block_on_success_btn.set_enabled(False)
            self.block_visualize_btn.set_enabled(False)

        if self.item_switched_cb is not None:
            self.item_switched_cb(self.block_id, None, blocks=True)

    @property
    def cid(self):
        """Shortcut for accessing program item"""

        return self.block_id, self.item_id

    def _handle_item_btns(self):

        # print ("_handle_item_btns, self.editing_item: " + str(self.editing_item))

        if not self.editing_item:

            of = self.ph.get_id_on_failure(*self.cid)
            os = self.ph.get_id_on_success(*self.cid)

            self.item_on_failure_btn.set_enabled(
                of[0] != 0
                and not (of[0] == self.block_id and of[1] == self.item_id))
            self.item_on_success_btn.set_enabled(
                os[0] != 0
                and not (os[0] == self.block_id and os[1] == self.item_id))

            self.item_run_btn.set_enabled(self._item_runnable())
            self.item_edit_btn.set_enabled(self._item_editable())

        else:

            self.item_edit_btn.set_enabled(True)
            self.item_edit_btn.set_image(icons_path + "save.svg")
            group_enable((self.item_finished_btn, self.items_list), False)
            self.item_run_btn.set_enabled(False)
            group_visible((self.pr_cancel_btn, self.pr_pause_btn), False)

    def _item_runnable(self):

        if self.ph.item_requires_learning(*self.cid):
            return self.ph.item_learned(*self.cid)

        return self.ph.get_item_msg(
            *self.cid).type in self.ih.properties.runnable_during_learning

    def _item_editable(self):

        if not self.ph.item_requires_learning(*self.cid):
            return False

        if self.ph.item_takes_params_from_ref(
                *self.cid) and not self.ph.ref_params_learned(*self.cid):
            return False

        if self.ph.get_item_type(*self.cid) in self.ih.properties.place | self.ih.properties.ref_to_pick and not \
                self.ph.ref_pick_learned(*self.cid)[0]:
            return False

        return True

    def item_selected_cb(self):

        # print ("self.items_list.selected_item_idx", self.items_list.selected_item_idx)

        if self.items_list.selected_item_idx is not None:

            self.item_id = self.items_map[self.items_list.selected_item_idx]

            self._handle_item_btns()

            self._update_learned()

        else:

            self.item_id = None
            group_enable((self.item_run_btn, self.item_on_success_btn,
                          self.item_on_failure_btn, self.item_edit_btn), False)

        if self.item_switched_cb is not None:
            self.item_switched_cb(*self.cid)

    def block_on_failure_btn_cb(self, btn):

        self.set_active(self.ph.get_block_on_failure(self.block_id), None)

    def block_on_success_btn_cb(self, btn):

        self.set_active(self.ph.get_block_on_success(self.block_id), None)

    def block_finished_btn_cb(self, btn):

        if self.done_cb is not None:

            self.done_cb()

    def item_finished_btn_cb(self, btn):

        # go back to blocks view
        group_visible((self.block_finished_btn, self.block_edit_btn,
                       self.block_on_failure_btn, self.block_on_success_btn,
                       self.blocks_list), True)
        group_visible((self.item_finished_btn, self.item_run_btn,
                       self.item_on_success_btn, self.item_on_failure_btn,
                       self.item_edit_btn), False)
        self.block_selected_cb(
        )  # TODO extract method to set buttons to proper state
        self.blocks_list.setEnabled(True)
        self.block_finished_btn.setEnabled(True)

        self.scene().removeItem(self.items_list)
        self.items_list = None
        self.item_id = None

        if self.item_switched_cb is not None:

            self.item_switched_cb(*self.cid)

        self._update_title()
        self.update()

    def item_on_failure_btn_cb(self, btn):

        of = self.ph.get_id_on_failure(*self.cid)
        self.set_active(*of)
        if self.item_switched_cb is not None:
            self.item_switched_cb(*of)

    def item_on_success_btn_cb(self, btn):

        of = self.ph.get_id_on_success(*self.cid)
        self.set_active(*of)
        if self.item_switched_cb is not None:
            self.item_switched_cb(*of)

    def item_run_btn_cb(self, btn):

        self.run_request = True
        self.set_enabled(False)
        self.learning_request_cb(LearningRequestGoal.EXECUTE_ITEM)

    def item_edit_btn_cb(self, btn):

        self.edit_request = True

        # call action / disable all, wait for result (callback), enable editing
        if not self.editing_item:

            self.learning_request_cb(LearningRequestGoal.GET_READY)

        else:

            self.learning_request_cb(LearningRequestGoal.DONE)

        self.set_enabled(False)

    def learning_request_result(self, success):

        self.set_enabled(True)

        # TODO no success, no editing

        if self.edit_request:

            self.edit_request = False

            if not self.editing_item:

                self.editing_item = True
                self.item_edit_btn.set_image(icons_path + "save.svg")
                group_enable(
                    (self.item_finished_btn, self.items_list,
                     self.item_on_failure_btn, self.item_on_success_btn),
                    False)

            else:

                self.editing_item = False
                self.item_edit_btn.set_image(icons_path + "edit.svg")
                group_enable((self.item_finished_btn, self.items_list), True)
                self._update_learned()

            self._handle_item_btns()

        elif self.run_request:

            self.run_request = False

        if self.item_switched_cb is not None:
            self.item_switched_cb(self.block_id, self.item_id,
                                  not self.editing_item)

    def boundingRect(self):

        return QtCore.QRectF(0, 0, self.w, self.h)

    def set_place_pose(self, place):

        msg = self.get_current_item()

        assert len(msg.pose) > 0

        msg.pose[0].pose.position.x = place.position[0]
        msg.pose[0].pose.position.y = place.position[1]
        msg.pose[0].pose.position.z = place.position[2]
        msg.pose[0].pose.orientation = conversions.a2q(place.quaternion)

        self._update_item()

    '''
        Method which saves place poses of all objects (in the grid) into the ProgramItem message.
    '''

    def set_place_poses(self, poses):

        msg = self.get_current_item()

        poses_count = len(poses)
        msg_poses_count = len(msg.pose)

        # TODO nemel by byt pocet objektu v gridu spis fixni (dany strukturou programu)?

        if poses_count > msg_poses_count:
            for i in range(poses_count - msg_poses_count):
                ps = PoseStamped()
                msg.pose.append(ps)
        elif poses_count < msg_poses_count:
            for i in range(msg_poses_count - poses_count):
                msg.pose.pop()

        for i, pose in enumerate(poses):
            pos = pose.get_pos()
            msg.pose[i].pose.position.x = pos[0]
            msg.pose[i].pose.position.y = pos[1]
            msg.pose[i].pose.orientation = conversions.yaw2quaternion(
                pose.rotation())

        self._update_item()

    def set_pose(self, ps):

        msg = self.get_current_item()

        assert len(msg.pose) > 0

        msg.pose[0] = ps

        self._update_item()

    def update_pose(self, ps, idx):

        msg = self.get_current_item()
        msg.pose[idx] = ps
        self._update_item()

    def clear_poses(self):

        for ps in self.get_current_item().pose:

            ps.pose = Pose()

        self._update_item()

    def get_poses_count(self):
        msg = self.get_current_item()
        return len(msg.pose)

    def set_object(self, obj):

        msg = self.get_current_item()

        assert len(msg.object) > 0

        msg.object[0] = obj

        self._update_item()

    def set_polygon(self, pts):

        msg = self.get_current_item()

        assert len(msg.polygon) > 0

        del msg.polygon[0].polygon.points[:]

        for pt in pts:

            msg.polygon[0].polygon.points.append(Point32(pt[0], pt[1], 0))

        self._update_item()

    '''
        Method which saves 4 points forming a grid into the ProgramItem message.
    '''

    def set_place_grid(self, pts):

        msg = self.get_current_item()

        assert len(msg.polygon) > 0

        del msg.polygon[0].polygon.points[:]

        for pt in pts:
            msg.polygon[0].polygon.points.append(Point32(pt[0], pt[1], 0))

        self._update_item()

    def _update_block(self, block_id):

        idx = self.blocks_map_rev[block_id]

        if self.ph.block_learned(block_id):
            self.blocks_list.items[idx].set_background_color()
        else:
            self.blocks_list.items[idx].set_background_color(QtCore.Qt.red)

    def _update_item(self, block_id=None, item_id=None):

        if block_id is None:
            block_id = self.block_id

        # need to update all items in block as there might be various dependencies (ref_id)
        for idx, item_id in self.items_map.iteritems():

            if self.ph.item_learned(block_id, item_id) or \
                    (self.ph.get_item_msg(block_id, item_id).type in self.ih.properties.runnable_during_learning and
                     not self.ih.requires_learning(self.ph.get_item_msg(block_id, item_id).type)):
                self.items_list.items[idx].set_background_color()
            else:
                self.items_list.items[idx].set_background_color(QtCore.Qt.red)

            self.items_list.items[idx].set_caption(
                self.get_text_for_item(block_id, item_id))

        self._update_block(block_id)

    def get_current_item(self):

        if self.block_id is not None and self.item_id is not None:

            return self.ph.get_item_msg(*self.cid)

        return None

    def paint(self, painter, option, widget):

        if not self.scene():
            return

        painter.setClipRect(option.exposedRect)
        painter.setRenderHint(QtGui.QPainter.Antialiasing)

        pen = QtGui.QPen()
        pen.setStyle(QtCore.Qt.NoPen)
        painter.setPen(pen)

        painter.setBrush(QtCore.Qt.gray)
        painter.setOpacity(0.5)
        painter.drawRoundedRect(QtCore.QRect(0, 0, self.w, self.h), 5.0, 5.0)
Esempio n. 15
0
    def __init__(self,
                 scene,
                 x,
                 y,
                 program_helper,
                 instruction,
                 ih,
                 done_cb=None,
                 item_switched_cb=None,
                 learning_request_cb=None,
                 pause_cb=None,
                 cancel_cb=None,
                 stopped=False,
                 visualize=False,
                 v_visualize_cb=None,
                 v_back_cb=None,
                 vis_pause_cb=None,
                 vis_stop_cb=None,
                 vis_replay_cb=None,
                 vis_back_to_blocks_cb=None):

        self.w = 100
        self.h = 100

        self.instruction = instruction
        self.ih = ih

        self.done_cb = done_cb
        self.item_switched_cb = item_switched_cb
        self.learning_request_cb = learning_request_cb
        self.pause_cb = pause_cb
        self.cancel_cb = cancel_cb

        self.readonly = False
        self.stopped = stopped

        # variables for HoloLens visualization
        self.visualize = visualize
        self.visualization_paused = False
        # callbacks for visualization buttons
        self.v_visualize_cb = v_visualize_cb
        self.v_back_cb = v_back_cb
        self.vis_pause_cb = vis_pause_cb
        self.vis_stop_cb = vis_stop_cb
        self.vis_replay_cb = vis_replay_cb
        self.vis_back_to_blocks_cb = vis_back_to_blocks_cb

        super(ProgramItem, self).__init__(scene, x, y)

        self.title = DescItem(self.scene(), 0, 0, self)

        # TODO it should take coords given to __init__
        self.title.setPos(QtCore.QPointF(self.m2pix(0.01), self.m2pix(0.01)))

        self.w = self.m2pix(0.2)
        self.h = self.m2pix(0.25)
        self.sp = self.m2pix(0.005)

        self.ph = program_helper

        self.block_id = None
        self.item_id = None

        self.block_learned = False
        self.program_learned = False

        # block "view"
        self.block_finished_btn = ButtonItem(self.scene(),
                                             0,
                                             0,
                                             "BTN",
                                             self,
                                             self.block_finished_btn_cb,
                                             image_path=icons_path +
                                             "back.svg")
        self.block_edit_btn = ButtonItem(self.scene(),
                                         0,
                                         0,
                                         "BTN",
                                         self,
                                         self.block_edit_btn_cb,
                                         image_path=icons_path + "edit.svg")

        self.block_on_success_btn = ButtonItem(self.scene(),
                                               0,
                                               0,
                                               "BTN",
                                               self,
                                               self.block_on_success_btn_cb,
                                               image_path=icons_path +
                                               "success.svg")
        self.block_on_failure_btn = ButtonItem(self.scene(),
                                               0,
                                               0,
                                               "BTN",
                                               self,
                                               self.block_on_failure_btn_cb,
                                               image_path=icons_path +
                                               "failure.svg")

        # block "view" when in visualization
        self.program_visualize_btn = ButtonItem(
            self.scene(), 0, 0, translate("ProgramItem", "Visualize Program"),
            self, self.program_visualize_btn_cb)
        self.block_visualize_btn = ButtonItem(
            self.scene(), 0, 0, translate("ProgramItem", "Visualize Block"),
            self, self.block_visualize_btn_cb)
        self.block_back_btn = ButtonItem(self.scene(), 0, 0,
                                         translate("ProgramItem", "Back"),
                                         self, self.block_back_btn_cb)

        bdata = []

        self.blocks_map = {}  # map from indexes (key) to block_id (value)
        self.blocks_map_rev = {}

        for i in range(len(self.ph.get_program().blocks)):

            bmsg = self.ph.get_program().blocks[i]

            bdata.append(
                translate("ProgramItem",
                          "Block %1\n%2\nSuccess: %3, failure: %4").arg(
                              bmsg.id).arg(bmsg.name).arg(bmsg.on_success).arg(
                                  bmsg.on_failure))
            idx = len(bdata) - 1
            self.blocks_map[idx] = bmsg.id
            self.blocks_map_rev[bmsg.id] = idx

        self.blocks_list = ListItem(self.scene(),
                                    0,
                                    0,
                                    0.2 - 2 * 0.005,
                                    bdata,
                                    self.block_selected_cb,
                                    parent=self)

        for k, v in self.blocks_map.iteritems():

            self._update_block(v)

        y = self.title.mapToParent(self.title.boundingRect().bottomLeft()).y()
        self.blocks_list.setPos(self.sp, y)
        y += self.blocks_list._height() + self.sp

        if visualize:
            self._place_childs_horizontally(y, self.sp, [
                self.program_visualize_btn, self.block_visualize_btn,
                self.block_back_btn
            ])

            y += self.block_visualize_btn._height() + self.sp

            self.block_back_btn.set_enabled(True)
            self.block_visualize_btn.set_enabled(False)
            self.program_visualize_btn.set_enabled(True)

            # hide edit block buttons
            group_visible(
                (self.block_finished_btn, self.block_edit_btn,
                 self.block_on_failure_btn, self.block_on_success_btn), False)

        else:
            self._place_childs_horizontally(y, self.sp, [
                self.block_edit_btn, self.block_on_success_btn,
                self.block_on_failure_btn, self.block_finished_btn
            ])

            y += self.block_finished_btn._height() + self.sp

            group_enable((self.block_edit_btn, self.block_on_failure_btn,
                          self.block_on_success_btn), False)
            # hide visualization block buttons
            group_visible((self.block_visualize_btn,
                           self.program_visualize_btn, self.block_back_btn),
                          False)

        self.h = y

        # items "view"
        self.item_edit_btn = ButtonItem(self.scene(),
                                        0,
                                        0,
                                        translate("ProgramItem", "Ed"),
                                        self,
                                        self.item_edit_btn_cb,
                                        image_path=icons_path + "edit.svg")
        self.item_run_btn = ButtonItem(self.scene(),
                                       0,
                                       0,
                                       "BTN",
                                       self,
                                       self.item_run_btn_cb,
                                       image_path=icons_path + "run.svg")
        self.item_on_success_btn = ButtonItem(self.scene(),
                                              0,
                                              0,
                                              "BTN",
                                              self,
                                              self.item_on_success_btn_cb,
                                              image_path=icons_path +
                                              "success.svg")
        self.item_on_failure_btn = ButtonItem(self.scene(),
                                              0,
                                              0,
                                              "BTN",
                                              self,
                                              self.item_on_failure_btn_cb,
                                              image_path=icons_path +
                                              "failure.svg")
        self.item_finished_btn = ButtonItem(self.scene(),
                                            0,
                                            0,
                                            "BTN",
                                            self,
                                            self.item_finished_btn_cb,
                                            image_path=icons_path + "back.svg")

        self.items_list = None

        group_visible((self.item_finished_btn, self.item_run_btn,
                       self.item_on_success_btn, self.item_on_failure_btn,
                       self.item_edit_btn), False)

        # readonly (program running) "view"
        self.pr_pause_btn = ButtonItem(self.scene(),
                                       0,
                                       0,
                                       "BTN",
                                       self,
                                       self.pr_pause_btn_cb,
                                       image_path=icons_path + "pause.svg")

        if self.stopped:
            self.pr_pause_btn.set_image(icons_path + "run.svg")

        self.pr_cancel_btn = ButtonItem(self.scene(),
                                        0,
                                        0,
                                        "BTN",
                                        self,
                                        self.pr_cancel_btn_cb,
                                        image_path=icons_path + "stop.svg")

        group_visible((self.pr_pause_btn, self.pr_cancel_btn), False)

        # buttons for HoloLens visualization
        self.vis_pause_btn = ButtonItem(self.scene(), 0, 0,
                                        translate("ProgramItem", "Resume"),
                                        self, self.vis_pause_btn_cb)
        # quick hack .. init button with 'Resume' caption and switch back to
        # 'Pause' to keep the button large enough for text switching
        if not self.visualization_paused:
            self.vis_pause_btn.set_caption(translate("ProgramItem", "Pause"))
        self.vis_stop_btn = ButtonItem(self.scene(), 0, 0,
                                       translate("ProgramItem", "Stop"), self,
                                       self.vis_stop_btn_cb)
        self.vis_replay_btn = ButtonItem(self.scene(), 0, 0,
                                         translate("ProgramItem", "Replay"),
                                         self, self.vis_replay_btn_cb)
        self.vis_back_btn = ButtonItem(
            self.scene(), 0, 0, translate("ProgramItem", "Back to blocks"),
            self, self.vis_back_btn_cb)
        group_visible((self.vis_pause_btn, self.vis_stop_btn,
                       self.vis_replay_btn, self.vis_back_btn), False)

        self.fixed = False

        self.editing_item = False
        self.edit_request = False
        self.run_request = False

        self.setFlag(QtGui.QGraphicsItem.ItemIsMovable, True)
        self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, True)

        self.setZValue(100)

        self._update_learned()
        self.update()

        if self.item_switched_cb:
            self.item_switched_cb(None, None, blocks=True)
Esempio n. 16
0
class PolygonItem(Item):
    def __init__(self,
                 scene,
                 caption,
                 obj_coords=[],
                 poly_points=[],
                 polygon_changed=None,
                 fixed=False):

        self.caption = caption
        self.polygon_changed = polygon_changed

        self.poly = QtGui.QPolygon()
        self.desc = None

        super(PolygonItem, self).__init__(scene, 0.5,
                                          0.5)  # TODO what should be here?
        self.fixed = fixed
        self.convex = True

        if not self.fixed:
            self.setFlag(QtGui.QGraphicsItem.ItemIsMovable, True)
            self.setFlag(QtGui.QGraphicsItem.ItemIsSelectable, True)

        self.pts = []

        if len(obj_coords) > 0:

            min = [obj_coords[0][0], obj_coords[0][1]]
            max = [obj_coords[0][0], obj_coords[0][1]]

            for pt in obj_coords:

                pt = [pt[0], pt[1]]

                if pt[0] < min[0]:
                    min[0] = pt[0]
                if pt[1] < min[1]:
                    min[1] = pt[1]
                if pt[0] > max[0]:
                    max[0] = pt[0]
                if pt[1] > max[1]:
                    max[1] = pt[1]

            pad = 0.02

            min[0] -= pad
            min[1] -= pad
            max[0] += pad
            max[1] += pad

            self.pts.append(
                PointItem(scene, min[0], min[1], self, self.point_changed))
            self.pts.append(
                PointItem(scene, max[0], min[1], self, self.point_changed))
            self.pts.append(
                PointItem(scene, max[0], max[1], self, self.point_changed))
            self.pts.append(
                PointItem(scene, min[0], max[1], self, self.point_changed))

            if self.polygon_changed is not None:
                self.polygon_changed(self.get_poly_points())

        elif len(poly_points) > 0:

            for pt in poly_points:

                self.pts.append(
                    PointItem(scene, pt[0], pt[1], self, self.point_changed,
                              fixed))

        else:

            pass  # TODO chyba

        for pt in self.pts:
            self.poly.append(pt.pos().toPoint())

        self.desc = DescItem(scene, 0, 0, self)
        self.desc.setFlag(QtGui.QGraphicsItem.ItemIgnoresTransformations)
        self.__update_desc_pos()
        self.__update_text()

        self.update()

    def __update_desc_pos(self):

        if self.desc is not None:

            p = self.poly.boundingRect().bottomLeft() + QtCore.QPointF(
                0, self.m2pix(0.02))
            self.desc.setPos(p)

    def __update_text(self):

        if self.desc is None:
            return

        desc = self.caption
        # TODO number of objects in polygon?
        self.desc.set_content(desc)

    def point_changed(self, pt, finished):

        self.poly.setPoint(self.pts.index(pt), pt.pos().toPoint())

        ps = self.poly.size()

        # TODO what to do with shuffled points? should be fixed...
        for i in range(2, ps + 2):

            line1 = QtCore.QLineF(self.poly.point(i - 2),
                                  self.poly.point((i - 1) % ps))
            line2 = QtCore.QLineF(self.poly.point((i - 1) % ps),
                                  self.poly.point(i % ps))

            a1 = line1.angle()
            a2 = line2.angle()

            d = a2 - a1

            if d < 0:
                d = 360 + d

            if d < 315 and d > 180:

                self.convex = False
                break
        else:
            self.convex = True

        self.__update_desc_pos()
        self.update()

        if finished and self.convex and self.polygon_changed is not None:
            self.polygon_changed(self.get_poly_points())

    def mouseReleaseEvent(self, event):

        self.cursor_release()
        super(Item, self).mouseReleaseEvent(event)

    def cursor_release(self):

        # TODO call base class method

        if self.convex and self.polygon_changed is not None:
            self.polygon_changed(self.get_poly_points())

    def get_poly_points(self):

        pts = []

        try:
            for pt in self.pts:

                pts.append(pt.get_pos())
        except AttributeError:
            return None

        return pts

    def shape(self):

        path = QtGui.QPainterPath()
        path.addPolygon(QtGui.QPolygonF(self.poly))
        return path

    def boundingRect(self):

        return QtCore.QRectF(self.poly.boundingRect())

    def paint(self, painter, option, widget):
        # TODO detekovat ze je polygon "divny" (prekrouceny) a zcervenat
        # TODO vypsat kolik obsahuje objektu

        if not self.scene():
            return

        painter.setClipRect(option.exposedRect)
        painter.setRenderHint(QtGui.QPainter.Antialiasing)

        # painter.setPen(QtCore.Qt.white)
        # painter.drawRect(self.boundingRect())

        pen = QtGui.QPen()
        pen.setStyle(QtCore.Qt.DotLine)
        pen.setWidth(5)

        if self.convex:
            pen.setBrush(QtCore.Qt.white)
        else:
            pen.setBrush(QtCore.Qt.red)

        pen.setCapStyle(QtCore.Qt.RoundCap)
        pen.setJoinStyle(QtCore.Qt.RoundJoin)
        painter.setPen(pen)

        painter.drawPolygon(self.poly)
Esempio n. 17
0
class PlaceItem(Item):

    def __init__(self, scene, rpm, caption, x, y, place_pose_changed=None, outline_diameter=0.1, selected=False, fixed=False):

        self.outline_diameter = outline_diameter
        self.caption = caption
        self.in_collision = False

        super(PlaceItem, self).__init__(scene, rpm, x, y)

        self.desc = DescItem(scene, rpm, -self.outline_diameter * 1.3 / 2.0, self.outline_diameter * 1.3 / 2 + 0.01, self)
        self.update_text()

        self.fixed = fixed

        self.place_pose_changed = place_pose_changed

    def hover_changed(self):

        self.update_text()
        self.update()

    def update_text(self):

        desc = []
        desc.append(self.caption)

        if self.hover:

            desc.append(self.get_pos_str())

        self.desc.set_content(desc)

    def cursor_release(self):

        if self.place_pose_changed is not None:
            self.place_pose_changed(self.get_pos())

    def boundingRect(self):

        es = self.m2pix(self.outline_diameter * 1.3)
        return QtCore.QRectF(-es / 2, -es / 2, es, es + 40)

    def shape(self):

        path = QtGui.QPainterPath()
        es = self.m2pix(self.outline_diameter)
        path.addEllipse(QtCore.QPoint(0, 0), es / 2, es / 2)
        return path

    def item_moved(self):

        # TODO testovat kolize jen s PlaceItem?
        for it in self.collidingItems():
            if isinstance(it, PlaceItem) or isinstance(it, ObjectItem):
                self.in_collision = True
                break
        else:
            self.in_collision = False

    def paint(self, painter, option, widget):

        painter.setClipRect(option.exposedRect)
        painter.setRenderHint(QtGui.QPainter.Antialiasing)

        es = self.m2pix(self.outline_diameter)

        if self.hover and not self.fixed:
            painter.setBrush(QtCore.Qt.gray)
            painter.setPen(QtCore.Qt.gray)
            painter.drawEllipse(QtCore.QPoint(0, 0), es / 2 * 1.3, es / 2 * 1.3)

        if self.fixed:
            painter.setBrush(QtCore.Qt.gray)
        elif not self.in_collision:
            painter.setBrush(QtCore.Qt.cyan)
        else:
            painter.setBrush(QtCore.Qt.red)

        painter.drawEllipse(QtCore.QPoint(0, 0), es / 2, es / 2)
Esempio n. 18
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class ObjectItem(Item):

    def __init__(self, scene, rpm, object_id, object_type, x, y, sel_cb=None, outline_diameter=0.1, selected=False):

        self.object_id = object_id
        self.object_type = object_type
        self.outline_diameter = outline_diameter
        self.selected = selected
        self.sel_cb = sel_cb

        super(ObjectItem, self).__init__(scene, rpm, x, y)

        self.desc = DescItem(scene, rpm, -self.outline_diameter * 1.3 / 2.0, self.outline_diameter * 1.3 / 2 + 0.01, self)
        self.update_text()

        if selected:
            self.set_selected()

    def update_text(self):

        desc = []
        desc.append(translate("ObjectItem", "ID: ") + self.object_id)

        if self.hover:

            desc.append(translate("ObjectItem", "TYPE: ") + self.object_type)
            desc.append(self.get_pos_str())

        self.desc.set_content(desc)

    def hover_changed(self):

        self.update_text()
        self.update()

    def boundingRect(self):

        es = self.m2pix(self.outline_diameter * 1.3)
        p = 1.0
        return QtCore.QRectF(-es / 2 - p, -es / 2 - p, es + 2 * p, es + 2 * p)

    def shape(self):

        path = QtGui.QPainterPath()
        es = self.m2pix(self.outline_diameter)
        path.addEllipse(QtCore.QPoint(0, 0), es / 2, es / 2)
        return path

    def paint(self, painter, option, widget):

        painter.setClipRect(option.exposedRect)
        painter.setRenderHint(QtGui.QPainter.Antialiasing)

        eso = self.m2pix(self.outline_diameter * 1.3)
        es = self.m2pix(self.outline_diameter)

        if self.selected:

            painter.setBrush(QtCore.Qt.green)
            painter.setPen(QtCore.Qt.green)

            painter.drawEllipse(QtCore.QPoint(0, 0), eso / 2, eso / 2)

        elif self.hover:

            painter.setBrush(QtCore.Qt.gray)
            painter.setPen(QtCore.Qt.gray)

            painter.drawEllipse(QtCore.QPoint(0, 0), eso / 2, eso / 2)
            # TODO disp add info

        painter.setBrush(QtCore.Qt.white)
        painter.setPen(QtCore.Qt.white)

        painter.drawEllipse(QtCore.QPoint(0, 0), es / 2, es / 2)

    def cursor_press(self):  # TODO cursor_click??

        if self.sel_cb is not None:
            # callback should handle object selection
            self.sel_cb(self.object_id, self.selected)

        else:
            # no callback - object will handle its selection
            if not self.selected:
                self.set_selected()
            else:
                self.set_selected(False)

    def set_selected(self, selected=True):

        if selected:

            self.selected = True
            # rospy.logdebug('Object ID ' + self.object_id + ' selected')

        else:

            self.selected = False
            # rospy.logdebug('Object ID ' + self.object_id + ' unselected')

        self.update()