def drag_start(self, event):
if self.component:
self.original_padding = self.component.padding
if hasattr(event, "bid"):
event.window.capture_blob(self, event.bid,
event.net_transform())
else:
event.window.set_mouse_owner(self, event.net_transform())
self._last_blob_pos = (event.x, event.y)
self.mouse_down_position = (event.x, event.y)
self.event_state = "dragging"
event.handled = True
ViewportPanTool.drag_start(self, event)
return
def drag_start(self, event):
if self.component:
self.original_padding = self.component.padding
if hasattr(event, "bid"):
event.window.capture_blob(self, event.bid,
event.net_transform())
else:
event.window.set_mouse_owner(self, event.net_transform())
self._last_blob_pos = (event.x, event.y)
self.mouse_down_position = (event.x,event.y)
self.event_state = "dragging"
event.handled = True
ViewportPanTool.drag_start(self, event)
return
def _comp_default(self):
canvas = Canvas(draw_axes=True, bgcolor="gray")
self.triangle = SierpinskiTriangle(
position=[0.0, 0.0],
bounds=[self.base_width, self.base_width * (SQRT3 / 2)],
iterations=self.iterations,
max_iters=self.max_iters,
base_width=self.base_width,
bgcolor="gray")
canvas.add(self.triangle)
self.viewport = Viewport(component=canvas,
enable_zoom=True,
stay_inside=True)
self.viewport.zoom_tool.min_zoom = 1.0
self.viewport.tools.append(
ViewportPanTool(self.viewport, drag_button="right"))
scrolled = Scrolled(
canvas,
inside_padding_width=0,
mousewheel_scroll=False,
viewport_component=self.viewport,
always_show_sb=True,
continuous_drag_update=True,
)
return scrolled
def __container_default(self):
""" default setter for _container
"""
viewport = Viewport(component=self._canvas, enable_zoom=True)
viewport.view_position = [0, 0]
viewport.tools.append(ViewportPanTool(viewport))
return Scrolled(self._canvas, viewport_component=viewport)
def create_component(self):
canvas = Canvas(bgcolor="lightsteelblue", draw_axes=True)
from basic_move import Box
box = Box(color="red", bounds=[50, 50], resizable="")
box.position = [75, 75]
canvas.add(box)
viewport = Viewport(component=canvas)
viewport.view_position = [0, 0]
viewport.tools.append(ViewportPanTool(viewport))
return viewport
def _create_viewport(self):
# Create a container and add our plots
canvas = PlotCanvas()
canvas.range_controller = RangeController(cavas = canvas)
toolbar = make_toolbar(canvas)
toolbar.component = canvas
canvas.overlays.append(toolbar)
viewport = Viewport(component=canvas)
if MULTITOUCH:
viewport.tools.append(MPViewportPanTool(viewport))
else:
viewport.tools.append(ViewportPanTool(viewport, drag_button="right"))
return viewport
def main():
manager = MBTileManager(filename='map.mbtiles', min_level=0, max_level=3)
canvas = MappingCanvas(tile_cache=manager)
viewport = MappingViewport(component=canvas)
viewport.tools.append(ViewportPanTool(viewport))
model = Model(canvas=canvas, viewport=viewport)
import enaml
with enaml.imports():
from simple_view import Map
window = Map(model=model)
window.show()
def _create_component(self):
canvas = Canvas(bgcolor="lightsteelblue", draw_axes=True)
boxgridsize = 8
boxsize = 50
spacing = boxsize * 2
offset = spacing / 2
origin_color = array([0.0, 0.0, 1.0])
x_color = array([0.0, 1.0, 0.0])
y_color = array([1.0, 0.0, 0.0])
for i in range(boxgridsize):
for j in range(boxgridsize):
color = tuple(x_color / (boxgridsize - 1) * i + y_color /
(boxgridsize - 1) * j + origin_color) + (1.0, )
box = Box(color=color, bounds=[boxsize, boxsize], resizable="")
box.position = [
i * spacing + offset - boxsize / 2 + 0.5,
j * spacing + offset - boxsize / 2 + 0.5,
]
canvas.add(box)
viewport = Viewport(
component=canvas,
enable_zoom=True,
vertical_anchor="center",
horizontal_anchor="center",
)
# viewport.view_position = [0,0]
viewport.tools.append(ViewportPanTool(viewport))
# Uncomment the following to enforce limits on the zoom
# viewport.min_zoom = 0.1
# viewport.max_zoom = 3.0
scrolled = Scrolled(
canvas,
fit_window=True,
inside_padding_width=0,
mousewheel_scroll=False,
viewport_component=viewport,
always_show_sb=True,
continuous_drag_update=True,
)
return scrolled
def _offices_changed(self, new):
viewports = []
canvas = self.canvas
for office in new:
canvas.add(
GeoMarker(
geoposition=office.location,
filename='enthought-marker.png',
))
viewport = MappingViewport(component=canvas)
viewport.tools.append(ViewportPanTool(viewport))
viewport.set(zoom_level=canvas.tile_cache.max_level - 3,
geoposition=office.location)
viewports.append(viewport)
self.viewports = viewports
def _create_component(self):
canvas = DropCanvas(bgcolor="lightsteelblue", draw_axes=True)
canvas.overlays.append(EventTracer(canvas, color="green", size=8,
angle=45.0))
viewport = Viewport(component=canvas, enable_zoom=True)
viewport.view_position = [0, 0]
viewport.tools.append(ViewportPanTool(viewport, drag_button="right"))
viewport.overlays.append(EventTracer(viewport))
scrolled = Scrolled(canvas, inside_padding_width=0,
mousewheel_scroll=False,
viewport_component=viewport,
always_show_sb=True,
continuous_drag_update=True)
return scrolled
def main():
manager = MBTileManager(filename='map.mbtiles', min_level=0, max_level=3)
canvas = MappingCanvas(tile_cache=manager)
canvas.add(
GeoMarker(filename='enthought-marker.png',
geoposition=(40.7546423, -73.9748948)))
viewport = MappingViewport(component=canvas)
viewport.tools.append(ViewportPanTool(viewport))
model = Model(canvas=canvas, viewport=viewport)
import enaml
with enaml.imports():
from simple_view import Map
window = Map(model=model)
window.show()
def add_office(self, city, location):
offices = self.offices[:]
viewports = self.viewports[:]
office = Office(city=city, location=location)
canvas = self.canvas
canvas.add(
GeoMarker(
geoposition=office.location,
filename='enthought-marker.png',
))
viewport = MappingViewport(component=canvas)
viewport.tools.append(ViewportPanTool(viewport))
viewport.set(zoom_level=canvas.tile_cache.max_level - 3,
geoposition=office.location)
offices.append(office)
viewports.append(viewport)
self.trait_setq(offices=offices)
self.viewports = viewports
def main():
tile_layer = MBTileManager(filename = 'map.mbtiles',
min_level = 2,
max_level = 4)
canvas = MappingCanvas(tile_cache = tile_layer)
canvas.overlays.append(GeoJSONOverlay(component=canvas,
geojs_filename='world.geojs'))
viewport = MappingViewport(component=canvas, zoom_level=2,
geoposition=(37.09024, -95.712891))
viewport.tools.append(ViewportPanTool(viewport))
model = SingleMap(canvas=canvas,
viewport=viewport)
import enaml
with enaml.imports():
from simple_view import Map
window = Map(model=model)
window.show()
def init(self, parent):
""" Finishes initializing the editor by creating the underlying toolkit
widget.
"""
canvas = self.value
viewport = CanvasViewport(component=canvas, view_position=[0, 0])
viewport.tools.append(ViewportPanTool(viewport, drag_button='right'))
viewport.max_zoom = 1.0
viewport.min_zoom = 0.2
self.canvas_view = viewport
self.scrolled = Scrolled(canvas,
fit_window=True,
inside_padding_width=0,
mousewheel_scroll=False,
always_show_sb=True,
continuous_drag_update=True,
viewport_component=viewport)
self._window = Window(parent, -1, component=self.scrolled)
self.control = self._window.control
def drag_end(self, event):
event.x, event.y = self._last_blob_pos
if hasattr(event, "bid"):
event.window.release_blob(event.bid)
self.event_state = "normal"
ViewportPanTool.drag_end(self, event)
def drag_end(self, event):
event.x, event.y = self._last_blob_pos
if hasattr(event, "bid"):
event.window.release_blob(event.bid)
self.event_state = "normal"
ViewportPanTool.drag_end(self, event)