class GWTCanvasDemo:
# can be overriden to use another canvas class
def _get_canvas(self):
return GWTCanvas(400,400)
def onModuleLoad(self):
self.layout = HorizontalPanel()
# Each demo will set their own dimensions, so it doesn't matter
# what we initialize the canvas to. Use the overrideable.
canvas = self._get_canvas()
canvas.addStyleName("gwt-canvas")
self.demos = []
# Create demos
self.demos.append(StaticDemo(canvas))
self.demos.append(LogoDemo(canvas))
self.demos.append(ParticleDemo(canvas))
self.demos.append(GradientDemo(canvas))
self.demos.append(SuiteDemo(canvas))
# Add them to the selection list box
lb = ListBox()
lb.setStyleName("listBox")
for i in range(len(self.demos)):
lb.addItem(self.demos[i].getName())
lb.addChangeListener(self)
# start off with the first demo
self.currentDemo = self.demos[0]
# Add widgets to self.layout and RootPanel
vp = VerticalPanel()
vp.add(lb)
vp.add(canvas)
self.layout.add(vp)
if self.currentDemo.getControls() is not None:
self.layout.add(self.currentDemo.getControls())
RootPanel().add(self.layout)
self.currentDemo.drawDemo()
def onChange(self, listBox):
choice = listBox.getSelectedIndex()
self.swapDemo(self.demos[choice])
"""
* Changes the current demo for the input demo
"""
def swapDemo(self, newDemo):
self.currentDemo.stopDemo()
self.layout.remove(self.currentDemo.getControls())
self.currentDemo = newDemo
self.layout.add(self.currentDemo.getControls())
self.currentDemo.drawDemo()
class GWTCanvasDemo:
# can be overriden to use another canvas class
def _get_canvas(self):
return GWTCanvas(400, 400)
def onModuleLoad(self):
self.layout = HorizontalPanel()
# Each demo will set their own dimensions, so it doesn't matter
# what we initialize the canvas to. Use the overrideable.
canvas = self._get_canvas()
canvas.addStyleName("gwt-canvas")
self.demos = []
# Create demos
self.demos.append(StaticDemo(canvas))
self.demos.append(LogoDemo(canvas))
self.demos.append(ParticleDemo(canvas))
self.demos.append(GradientDemo(canvas))
self.demos.append(SuiteDemo(canvas))
# Add them to the selection list box
lb = ListBox()
lb.setStyleName("listBox")
for i in range(len(self.demos)):
lb.addItem(self.demos[i].getName())
lb.addChangeListener(self)
# start off with the first demo
self.currentDemo = self.demos[0]
# Add widgets to self.layout and RootPanel
vp = VerticalPanel()
vp.add(lb)
vp.add(canvas)
self.layout.add(vp)
if self.currentDemo.getControls() is not None:
self.layout.add(self.currentDemo.getControls())
RootPanel().add(self.layout)
self.currentDemo.drawDemo()
def onChange(self, listBox):
choice = listBox.getSelectedIndex()
self.swapDemo(self.demos[choice])
"""
* Changes the current demo for the input demo
"""
def swapDemo(self, newDemo):
self.currentDemo.stopDemo()
self.layout.remove(self.currentDemo.getControls())
self.currentDemo = newDemo
self.layout.add(self.currentDemo.getControls())
self.currentDemo.drawDemo()
class InfoDirectory:
def onModuleLoad(self):
self.remote = InfoServicePython()
self.tree_width = 200
self.tp = HorizontalPanel()
self.tp.setWidth("%dpx" % (self.tree_width))
self.treeview = Trees()
self.treeview.fTree.addTreeListener(self)
self.sp = ScrollPanel()
self.tp.add(self.treeview)
self.sp.add(self.tp)
self.sp.setHeight("100%")
self.horzpanel1 = HorizontalPanel()
self.horzpanel1.setSize("100%", "100%")
self.horzpanel1.setBorderWidth(1)
self.horzpanel1.setSpacing("10px")
self.rp = RightPanel()
self.rps = ScrollPanel()
self.rps.add(self.rp)
self.rps.setWidth("100%")
self.rp.setWidth("100%")
self.cp1 = CollapserPanel(self)
self.cp1.setWidget(self.sp)
self.cp1.setHTML(" ")
self.midpanel = MidPanel(self)
self.cp2 = CollapserPanel(self)
self.cp2.setWidget(self.midpanel)
self.cp2.setHTML(" ")
self.horzpanel1.add(self.cp1)
self.horzpanel1.add(self.cp2)
self.horzpanel1.add(self.rps)
self.cp1.setInitialWidth("%dpx" % self.tree_width)
self.cp2.setInitialWidth("200px")
RootPanel().add(self.horzpanel1)
width = Window.getClientWidth()
height = Window.getClientHeight()
self.onWindowResized(width, height)
Window.addWindowResizeListener(self)
def setCollapserWidth(self, widget, width):
self.horzpanel1.setCellWidth(widget, width)
def onWindowResized(self, width, height):
#self.hp.setWidth("%dpx" % (width - self.tree_width))
#self.hp.setHeight("%dpx" % (height - 20))
self.cp1.setHeight("%dpx" % (height - 30))
self.cp2.setHeight("%dpx" % (height - 30))
self.rps.setHeight("%dpx" % (height - 30))
self.horzpanel1.setHeight("%dpx" % (height - 20))
def onTreeItemStateChanged(self, item):
if item.isSelected():
self.onTreeItemSelected(item)
def onTreeItemSelected(self, item):
obj = item.getUserObject()
if len(obj.children) != 0:
self.clear_mid_panel()
return
self.remote.get_midpanel_data(obj.root + "/" + obj.text, self)
self.cp2.setHTML(obj.text)
self.clear_right_panel()
def clear_right_panel(self):
self.horzpanel1.remove(2)
self.horzpanel1.insert(HTML(""), 2)
self.rp.setTitle(" ")
def clear_mid_panel(self):
self.clear_right_panel()
#self.horzpanel2.setLeftWidget(HTML(""))
def set_mid_panel(self, response):
self.midpanel.set_items(response)
self.cp2.setWidget(self.midpanel)
def select_right_grid(self, location, name):
self.horzpanel1.remove(2)
self.horzpanel1.insert(self.rps, 2)
self.rp.setTitle(name)
self.remote.get_rightpanel_datanames(location, self)
def get_rightpanel_datasets(self, datasets):
self.rp.clear_items()
self.rp.setup_panels(datasets)
for i in range(len(datasets)):
item = datasets[i]
fname = item[0]
self.remote.get_rightpanel_data(fname, fname, i, self)
def fill_right_grid(self, data):
index = data.get('index')
name = data.get('name')
if data.has_key('items'):
self.rp.add_items(data.get('items'), name, index)
elif data.has_key('html'):
self.rp.add_html(data.get('html'), name, index)
def onRemoteResponse(self, response, request_info):
method = request_info.method
if method == "get_midpanel_data":
self.set_mid_panel(response)
elif method == "get_rightpanel_datanames":
self.get_rightpanel_datasets(response)
elif method == "get_rightpanel_data":
self.fill_right_grid(response)
def onRemoteError(self, code, message, request_info):
RootPanel().add(HTML("Server Error or Invalid Response: ERROR " +
code))
RootPanel().add(HTML(message))
class TabBar(Composite):
STYLENAME_DEFAULT = "gwt-TabBarItem"
def __init__(self, **kwargs):
if not kwargs.has_key('StyleName'): kwargs['StyleName']="gwt-TabBar"
# this is awkward: HorizontalPanel is the composite,
# so we either the element here, and pass it in to HorizontalPanel.
element = None
if kwargs.has_key('Element'):
element = kwargs.pop('Element')
self.panel = HorizontalPanel(Element=element)
self.selectedTab = None
self.tabListeners = []
self.panel.setVerticalAlignment(HasAlignment.ALIGN_BOTTOM)
first = HTML(" ", True)
rest = HTML(" ", True)
first.setStyleName("gwt-TabBarFirst")
rest.setStyleName("gwt-TabBarRest")
first.setHeight("100%")
rest.setHeight("100%")
self.panel.add(first)
self.panel.add(rest)
first.setHeight("100%")
self.panel.setCellHeight(first, "100%")
self.panel.setCellWidth(rest, "100%")
Composite.__init__(self, self.panel, **kwargs)
self.sinkEvents(Event.ONCLICK)
def addTab(self, text, asHTML=False):
self.insertTab(text, asHTML, self.getTabCount())
def addTabListener(self, listener):
self.tabListeners.append(listener)
def getSelectedTab(self):
if self.selectedTab is None:
return -1
return self.panel.getWidgetIndex(self.selectedTab) - 1
def getTabCount(self):
return self.panel.getWidgetCount() - 2
def getTabHTML(self, index):
if index >= self.getTabCount():
return None
delPanel = self.panel.getWidget(index + 1)
focusablePanel = delPanel.getFocusablePanel()
widget = focusablePanel.getWidget()
if hasattr(widget, "getHTML"):
return widget.getHTML()
elif hasattr(widget, "getText"): # assume it's a Label if it has getText
return widget.getText()
else:
fpe = DOM.getParent(self.focusablePanel.getElement())
return DOM.getInnerHTML(fpe)
def createTabTextWrapper(self):
return None
def insertTab(self, text, asHTML, beforeIndex=None):
""" 1st arg can, instead of being 'text', be a widget.
1st arg can also be None, which results in a blank
space between tabs. Use this to push subsequent
tabs out to the right hand end of the TabBar.
(the "blank" tab, by not being focussable, is not
clickable).
"""
if beforeIndex is None:
beforeIndex = asHTML
asHTML = False
if (beforeIndex < 0) or (beforeIndex > self.getTabCount()):
#throw new IndexOutOfBoundsException();
pass
if text is None:
text = HTML(" ", True)
text.setWidth("100%")
text.setStyleName("gwt-TabBarRest")
self.panel.insert(text, beforeIndex + 1)
self.panel.setCellWidth(text, "100%")
return
istext = isinstance(text, basestring)
if istext:
if asHTML:
item = HTML(text)
else:
item = Label(text)
item.setWordWrap(False)
else:
# passing in a widget, it's expected to have its own style
item = text
self.insertTabWidget(item, beforeIndex)
def insertTabWidget(self, widget, beforeIndex):
delWidget = ClickDelegatePanel(self, widget, self, self)
delWidget.setStyleName(self.STYLENAME_DEFAULT)
focusablePanel = delWidget.getFocusablePanel()
self.panel.insert(delWidget, beforeIndex + 1)
self.setStyleName(DOM.getParent(delWidget.getElement()),
self.STYLENAME_DEFAULT + "-wrapper", True)
#print "insertTabWidget", DOM.getParent(delWidget.getElement()), DOM.getAttribute(DOM.getParent(delWidget.getElement()), "className")
def onClick(self, sender=None):
for i in range(1, self.panel.getWidgetCount() - 1):
if DOM.isOrHasChild(self.panel.getWidget(i).getElement(),
sender.getElement()):
return self.selectTab(i - 1)
return False
def removeTab(self, index):
self.checkTabIndex(index)
toRemove = self.panel.getWidget(index + 1)
if toRemove == self.selectedTab:
self.selectedTab = None
self.panel.remove(toRemove)
def removeTabListener(self, listener):
self.tabListeners.remove(listener)
def selectTab(self, index):
self.checkTabIndex(index)
for listener in self.tabListeners:
if not listener.onBeforeTabSelected(self, index):
return False
self.setSelectionStyle(self.selectedTab, False)
if index == -1:
self.selectedTab = None
return True
self.selectedTab = self.panel.getWidget(index + 1)
self.setSelectionStyle(self.selectedTab, True)
for listener in self.tabListeners:
listener.onTabSelected(self, index)
return True
def checkTabIndex(self, index):
if (index < -1) or (index >= self.getTabCount()):
#throw new IndexOutOfBoundsException();
pass
def setSelectionStyle(self, item, selected):
if item is not None:
if selected:
item.addStyleName("gwt-TabBarItem-selected")
self.setStyleName(DOM.getParent(item.getElement()),
"gwt-TabBarItem-wrapper-selected", True)
else:
item.removeStyleName("gwt-TabBarItem-selected")
self.setStyleName(DOM.getParent(item.getElement()),
"gwt-TabBarItem-wrapper-selected", False)
class InfoDirectory:
def onModuleLoad(self):
self.remote = InfoServicePython()
self.tree_width = 200
self.tp = HorizontalPanel()
self.tp.setWidth("%dpx" % (self.tree_width))
self.treeview = Trees()
self.treeview.fTree.addTreeListener(self)
self.sp = ScrollPanel()
self.tp.add(self.treeview)
self.sp.add(self.tp)
self.sp.setHeight("100%")
self.horzpanel1 = HorizontalPanel()
self.horzpanel1.setSize("100%", "100%")
self.horzpanel1.setBorderWidth(1)
self.horzpanel1.setSpacing("10px")
self.rp = RightPanel()
self.rps = ScrollPanel()
self.rps.add(self.rp)
self.rps.setWidth("100%")
self.rp.setWidth("100%")
self.cp1 = CollapserPanel(self)
self.cp1.setWidget(self.sp)
self.cp1.setHTML(" ")
self.midpanel = MidPanel(self)
self.cp2 = CollapserPanel(self)
self.cp2.setWidget(self.midpanel)
self.cp2.setHTML(" ")
self.horzpanel1.add(self.cp1)
self.horzpanel1.add(self.cp2)
self.horzpanel1.add(self.rps)
self.cp1.setInitialWidth("%dpx" % self.tree_width)
self.cp2.setInitialWidth("200px")
RootPanel().add(self.horzpanel1)
width = Window.getClientWidth()
height = Window.getClientHeight()
self.onWindowResized(width, height)
Window.addWindowResizeListener(self)
def setCollapserWidth(self, widget, width):
self.horzpanel1.setCellWidth(widget, width)
def onWindowResized(self, width, height):
#self.hp.setWidth("%dpx" % (width - self.tree_width))
#self.hp.setHeight("%dpx" % (height - 20))
self.cp1.setHeight("%dpx" % (height - 30))
self.cp2.setHeight("%dpx" % (height - 30))
self.rps.setHeight("%dpx" % (height - 30))
self.horzpanel1.setHeight("%dpx" % (height - 20))
def onTreeItemStateChanged(self, item):
if item.isSelected():
self.onTreeItemSelected(item)
def onTreeItemSelected(self, item):
obj = item.getUserObject()
if len(obj.children) != 0:
self.clear_mid_panel()
return
self.remote.get_midpanel_data(obj.root + "/" + obj.text, self)
self.cp2.setHTML(obj.text)
self.clear_right_panel()
def clear_right_panel(self):
self.horzpanel1.remove(2)
self.horzpanel1.insert(HTML(""), 2)
self.rp.setTitle(" ")
def clear_mid_panel(self):
self.clear_right_panel()
#self.horzpanel2.setLeftWidget(HTML(""))
def set_mid_panel(self, response):
self.midpanel.set_items(response)
self.cp2.setWidget(self.midpanel)
def select_right_grid(self, location, name):
self.horzpanel1.remove(2)
self.horzpanel1.insert(self.rps, 2)
self.rp.setTitle(name)
self.remote.get_rightpanel_datanames(location, self)
def get_rightpanel_datasets(self, datasets):
self.rp.clear_items()
self.rp.setup_panels(datasets)
for i in range(len(datasets)):
item = datasets[i]
fname = item[0]
self.remote.get_rightpanel_data(fname, fname, i, self)
def fill_right_grid(self, data):
index = data.get('index')
name = data.get('name')
if data.has_key('items'):
self.rp.add_items(data.get('items'), name, index)
elif data.has_key('html'):
self.rp.add_html(data.get('html'), name, index)
def onRemoteResponse(self, response, request_info):
method = request_info.method
if method == "get_midpanel_data":
self.set_mid_panel(response)
elif method == "get_rightpanel_datanames":
self.get_rightpanel_datasets(response)
elif method == "get_rightpanel_data":
self.fill_right_grid(response)
def onRemoteError(self, code, message, request_info):
RootPanel().add(HTML("Server Error or Invalid Response: ERROR " + code))
RootPanel().add(HTML(message))
class SongFrequency:
def __init__(self):
self.artist =''
self.start_date = ''
self.end_date = ''
self.period_search =''
self.search_option = 1
#declare the general interface widgets
self.panel = DockPanel(StyleName = 'background')
self.ret_area = TextArea()
self.ret_area.setWidth("350px")
self.ret_area.setHeight("90px")
self.options = ListBox()
self.search_button = Button("Search", getattr(self, "get_result"), StyleName = 'button')
#set up the date search panel; it has different text boxes for
#to and from search dates
self.date_search_panel = VerticalPanel()
self.date_search_start = TextBox()
self.date_search_start.addInputListener(self)
self.date_search_end = TextBox()
self.date_search_end.addInputListener(self)
self.date_search_panel.add(HTML("Enter as month/day/year", True, StyleName = 'text'))
self.date_search_panel.add(HTML("From:", True, StyleName = 'text'))
self.date_search_panel.add(self.date_search_start)
self.date_search_panel.add(HTML("To:", True, StyleName = 'text'))
self.date_search_panel.add(self.date_search_end)
#set up the artist search panel
self.artist_search = TextBox()
self.artist_search.addInputListener(self)
self.artist_search_panel = VerticalPanel()
self.artist_search_panel.add(HTML("Enter artist's name:",True,
StyleName = 'text'))
self.artist_search_panel.add(self.artist_search)
#Put together the list timespan search options
self.period_search_panel = VerticalPanel()
self.period_search_panel.add(HTML("Select a seach period:",True,
StyleName = 'text'))
self.period_search = ListBox()
self.period_search.setVisibleItemCount(1)
self.period_search.addItem("last week")
self.period_search.addItem("last month")
self.period_search.addItem("last year")
self.period_search.addItem("all time")
self.period_search_panel.add(self.period_search)
#add the listeners to the appropriate widgets
self.options.addChangeListener(self)
self.period_search.addChangeListener(self)
self.ret_area_scroll = ScrollPanel()
self.search_panel = HorizontalPanel()
self.options_panel = VerticalPanel()
# A change listener for the boxes
def onChange(self, sender):
#switch the list box options
if sender == self.options:
self.search_panel.remove(self.period_search_panel)
self.search_panel.remove(self.date_search_panel)
self.search_panel.remove(self.artist_search_panel)
index = self.options.getSelectedIndex()
if index == 0:
self.search_panel.add(self.artist_search_panel)
self.search_option = 1
elif index == 1:
self.search_panel.add(self.date_search_panel)
self.search_option = 2
elif index == 2:
self.search_panel.add(self.period_search_panel)
self.search_option = 3
elif sender == self.period_search:
index = self.period_search.getSelectedIndex()
if index == 0:
self.period_search = "last week"
elif index == 1:
self.period_search = "last month"
elif index == 2:
self.period_search = "last year"
elif index == 3:
self.period_search = "all time"
#A listener for the text boxes
def onInput(self, sender):
if sender == self.artist_search:
self.artist = sender.getText()
elif sender == self.date_search_end:
self.end_date = sender.getText()
elif sender == self.date_search_start:
self.start_date = sender.getText()
#A listener for the buttons that, when the button is clicked, looks up the results and outputs them
def get_result(self):
return_str = " "
if self.search_option == 1:
return_str = self.artist
elif self.search_option == 2:
return_str = self.start_date
elif self.search_option ==3:
return_str = self.period_search
else:
return_str = "Find the most played artist, album, or song for a time period, or the number of songs played by a certain artist"
self.ret_area.setText(return_str)
def onModuleLoad(self):
#Put together the list of options
self.options.addItem("Artist")
self.options.addItem("Date")
self.options.addItem("Time Span")
self.options.setVisibleItemCount(3)
#put the text area together
self.ret_area_scroll.add(self.ret_area)
self.ret_area.setText("Find the most played artist, album, or song for a time period, or the number of songs played by a certain artist")
#put the search items together
self.search_panel.add(self.artist_search_panel)
#Put together the options panel
self.options_panel.add(HTML("Search By:", True, StyleName = 'text'))
self.options_panel.add(self.options)
#Add everything to the main panel
self.panel.add(HTML("WQHS Song Search",True, StyleName = 'header'),
DockPanel.NORTH)
self.panel.add(self.options_panel, DockPanel.WEST)
self.panel.add(self.ret_area_scroll, DockPanel.SOUTH)
self.panel.setCellHeight(self.ret_area_scroll, "100px")
self.panel.setCellWidth(self.ret_area_scroll, "300px")
self.panel.add(self.search_button, DockPanel.EAST)
self.panel.add(self.search_panel, DockPanel.CENTER)
#Associate panel with the HTML host page
RootPanel().add(self.panel)
