--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Plugins/ViewManagerPlugins/Listspace/Listspace.py Mon Dec 28 16:03:33 2009 +0000
@@ -0,0 +1,651 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2002 - 2009 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the listspace viewmanager class.
+"""
+
+import os
+
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
+
+from E4Gui.E4Application import e4App
+
+from ViewManager.ViewManager import ViewManager
+
+import QScintilla.Editor
+
+import UI.PixmapCache
+
+class StackedWidget(QStackedWidget):
+ """
+ Class implementing a custimized StackedWidget.
+ """
+ def __init__(self, parent):
+ """
+ Constructor
+
+ @param parent parent widget (QWidget)
+ """
+ QStackedWidget.__init__(self, parent)
+ self.setAttribute(Qt.WA_DeleteOnClose, True)
+
+ self.editors = []
+
+ def addWidget(self, editor):
+ """
+ Overwritten method to add a new widget.
+
+ @param editor the editor object to be added (QScintilla.Editor.Editor)
+ """
+ QStackedWidget.addWidget(self, editor)
+ if not editor in self.editors:
+ self.editors.append(editor)
+
+ def removeWidget(self, widget):
+ """
+ Overwritten method to remove a widget.
+
+ @param widget widget to be removed (QWidget)
+ """
+ QStackedWidget.removeWidget(self, widget)
+ if isinstance(widget, QScintilla.Editor.Editor):
+ self.editors.remove(widget)
+
+ def setCurrentWidget(self, widget):
+ """
+ Overwritten method to set the current widget.
+
+ @param widget widget to be made current (QWidget)
+ """
+ if isinstance(widget, QScintilla.Editor.Editor):
+ self.editors.remove(widget)
+ self.editors.insert(0, widget)
+ QStackedWidget.setCurrentWidget(self, widget)
+
+ def setCurrentIndex(self, index):
+ """
+ Overwritten method to set the current widget by it's index.
+
+ @param index index of widget to be made current (integer)
+ """
+ widget = self.widget(index)
+ if widget is not None:
+ self.setCurrentWidget(widget)
+
+ def nextTab(self):
+ """
+ Public slot used to show the next tab.
+ """
+ ind = self.currentIndex() + 1
+ if ind == self.count():
+ ind = 0
+
+ self.setCurrentIndex(ind)
+ self.currentWidget().setFocus()
+
+ def prevTab(self):
+ """
+ Public slot used to show the previous tab.
+ """
+ ind = self.currentIndex() - 1
+ if ind == -1:
+ ind = self.count() - 1
+
+ self.setCurrentIndex(ind)
+ self.currentWidget().setFocus()
+
+ def hasEditor(self, editor):
+ """
+ Public method to check for an editor.
+
+ @param editor editor object to check for
+ @return flag indicating, whether the editor to be checked belongs
+ to the list of editors managed by this stacked widget.
+ """
+ return editor in self.editors
+
+ def firstEditor(self):
+ """
+ Public method to retrieve the first editor in the list of managed editors.
+
+ @return first editor in list (QScintilla.Editor.Editor)
+ """
+ return len(self.editors) and self.editors[0] or None
+
+class Listspace(QSplitter, ViewManager):
+ """
+ Class implementing the listspace viewmanager class.
+
+ @signal changeCaption(string) emitted if a change of the caption is necessary
+ @signal editorChanged(string) emitted when the current editor has changed
+ """
+ def __init__(self, parent):
+ """
+ Constructor
+
+ @param parent parent widget (QWidget)
+ @param ui reference to the main user interface
+ @param dbs reference to the debug server object
+ """
+ self.stacks = []
+
+ QSplitter.__init__(self, parent)
+ ViewManager.__init__(self)
+
+ self.viewlist = QListWidget(self)
+ policy = self.viewlist.sizePolicy()
+ policy.setHorizontalPolicy(QSizePolicy.Ignored)
+ self.viewlist.setSizePolicy(policy)
+ self.addWidget(self.viewlist)
+ self.viewlist.setContextMenuPolicy(Qt.CustomContextMenu)
+ self.connect(self.viewlist, SIGNAL("itemActivated(QListWidgetItem*)"),
+ self.__showSelectedView)
+ self.connect(self.viewlist, SIGNAL("itemClicked(QListWidgetItem*)"),
+ self.__showSelectedView)
+ self.connect(self.viewlist, SIGNAL("customContextMenuRequested(const QPoint &)"),
+ self.__showMenu)
+
+ self.stackArea = QSplitter(self)
+ self.addWidget(self.stackArea)
+ self.stackArea.setOrientation(Qt.Vertical)
+ stack = StackedWidget(self.stackArea)
+ self.stackArea.addWidget(stack)
+ self.stacks.append(stack)
+ self.currentStack = stack
+ self.connect(stack, SIGNAL('currentChanged(int)'),
+ self.__currentChanged)
+ stack.installEventFilter(self)
+ self.setSizes([int(self.width() * 0.2), int(self.width() * 0.8)]) # 20% for viewlist
+ self.__inRemoveView = False
+
+ self.__initMenu()
+ self.contextMenuEditor = None
+
+ def __initMenu(self):
+ """
+ Private method to initialize the viewlist context menu.
+ """
+ self.__menu = QMenu(self)
+ self.__menu.addAction(UI.PixmapCache.getIcon("close.png"),
+ self.trUtf8('Close'), self.__contextMenuClose)
+ self.__menu.addAction(self.trUtf8('Close All'), self.__contextMenuCloseAll)
+ self.__menu.addSeparator()
+ self.saveMenuAct = \
+ self.__menu.addAction(UI.PixmapCache.getIcon("fileSave.png"),
+ self.trUtf8('Save'), self.__contextMenuSave)
+ self.__menu.addAction(UI.PixmapCache.getIcon("fileSaveAs.png"),
+ self.trUtf8('Save As...'), self.__contextMenuSaveAs)
+ self.__menu.addAction(UI.PixmapCache.getIcon("fileSaveAll.png"),
+ self.trUtf8('Save All'), self.__contextMenuSaveAll)
+ self.projectMenuAct = \
+ self.__menu.addAction(UI.PixmapCache.getIcon("fileSaveProject.png"),
+ self.trUtf8('Save to Project'), self.__contextMenuSaveToProject)
+ self.__menu.addSeparator()
+ self.__menu.addAction(UI.PixmapCache.getIcon("print.png"),
+ self.trUtf8('Print'), self.__contextMenuPrintFile)
+
+ def __showMenu(self, point):
+ """
+ Private slot to handle the customContextMenuRequested signal of the viewlist.
+ """
+ if self.editors:
+ itm = self.viewlist.itemAt(point)
+ if itm is not None:
+ row = self.viewlist.row(itm)
+ self.contextMenuEditor = self.editors[row]
+ if self.contextMenuEditor:
+ self.saveMenuAct.setEnabled(self.contextMenuEditor.isModified())
+ self.projectMenuAct.setEnabled(e4App().getObject("Project").isOpen())
+ self.__menu.popup(self.viewlist.mapToGlobal(point))
+
+ def canCascade(self):
+ """
+ Public method to signal if cascading of managed windows is available.
+
+ @return flag indicating cascading of windows is available
+ """
+ return False
+
+ def canTile(self):
+ """
+ Public method to signal if tiling of managed windows is available.
+
+ @return flag indicating tiling of windows is available
+ """
+ return False
+
+ def canSplit(self):
+ """
+ public method to signal if splitting of the view is available.
+
+ @return flag indicating splitting of the view is available.
+ """
+ return True
+
+ def tile(self):
+ """
+ Public method to tile the managed windows.
+ """
+ pass
+
+ def cascade(self):
+ """
+ Public method to cascade the managed windows.
+ """
+ pass
+
+ def _removeAllViews(self):
+ """
+ Protected method to remove all views (i.e. windows)
+ """
+ self.viewlist.clear()
+ for win in self.editors:
+ for stack in self.stacks:
+ if stack.hasEditor(win):
+ stack.removeWidget(win)
+ break
+ win.closeIt()
+
+ def _removeView(self, win):
+ """
+ Protected method to remove a view (i.e. window)
+
+ @param win editor window to be removed
+ """
+ self.__inRemoveView = True
+ ind = self.editors.index(win)
+ itm = self.viewlist.takeItem(ind)
+ if itm:
+ del itm
+ for stack in self.stacks:
+ if stack.hasEditor(win):
+ stack.removeWidget(win)
+ break
+ win.closeIt()
+ self.__inRemoveView = False
+ if ind > 0:
+ ind -= 1
+ else:
+ if len(self.editors) > 1:
+ ind = 1
+ else:
+ return
+ stack.setCurrentWidget(stack.firstEditor())
+ self._showView(self.editors[ind])
+
+ aw = self.activeWindow()
+ fn = aw and aw.getFileName() or None
+ if fn:
+ self.emit(SIGNAL('changeCaption'), fn)
+ self.emit(SIGNAL('editorChanged'), fn)
+ else:
+ self.emit(SIGNAL('changeCaption'), "")
+
+ def _addView(self, win, fn = None, noName = ""):
+ """
+ Protected method to add a view (i.e. window)
+
+ @param win editor window to be added
+ @param fn filename of this editor (string)
+ @param noName name to be used for an unnamed editor (string)
+ """
+ if fn is None:
+ if not noName:
+ self.untitledCount += 1
+ noName = self.trUtf8("Untitled {0}").format(self.untitledCount)
+ self.viewlist.addItem(noName)
+ win.setNoName(noName)
+ else:
+ txt = os.path.basename(fn)
+ if not QFileInfo(fn).isWritable():
+ txt = self.trUtf8("{0} (ro)").format(txt)
+ itm = QListWidgetItem(txt)
+ itm.setToolTip(fn)
+ self.viewlist.addItem(itm)
+ self.currentStack.addWidget(win)
+ self.currentStack.setCurrentWidget(win)
+ self.connect(win, SIGNAL('captionChanged'),
+ self.__captionChange)
+
+ index = self.editors.index(win)
+ self.viewlist.setCurrentRow(index)
+ win.setFocus()
+ if fn:
+ self.emit(SIGNAL('changeCaption'), fn)
+ self.emit(SIGNAL('editorChanged'), fn)
+ else:
+ self.emit(SIGNAL('changeCaption'), "")
+
+ def __captionChange(self, cap, editor):
+ """
+ Private method to handle caption change signals from the editor.
+
+ Updates the listwidget text to reflect the new caption information.
+
+ @param cap Caption for the editor (string)
+ @param editor Editor to update the caption for
+ """
+ fn = editor.getFileName()
+ if fn:
+ self.setEditorName(editor, fn)
+
+ def _showView(self, win, fn = None):
+ """
+ Protected method to show a view (i.e. window)
+
+ @param win editor window to be shown
+ @param fn filename of this editor (string)
+ """
+ for stack in self.stacks:
+ if stack.hasEditor(win):
+ stack.setCurrentWidget(win)
+ self.currentStack = stack
+ break
+ index = self.editors.index(win)
+ self.viewlist.setCurrentRow(index)
+ win.setFocus()
+ fn = win.getFileName()
+ if fn:
+ self.emit(SIGNAL('changeCaption'), fn)
+ self.emit(SIGNAL('editorChanged'), fn)
+ else:
+ self.emit(SIGNAL('changeCaption'), "")
+
+ def __showSelectedView(self, itm):
+ """
+ Private slot called to show a view selected in the list by a mouse click.
+
+ @param itm item clicked on (QListWidgetItem)
+ """
+ if itm:
+ row = self.viewlist.row(itm)
+ self._showView(self.editors[row])
+ self._checkActions(self.editors[row])
+
+ def activeWindow(self):
+ """
+ Public method to return the active (i.e. current) window.
+
+ @return reference to the active editor
+ """
+ return self.currentStack.currentWidget()
+
+ def showWindowMenu(self, windowMenu):
+ """
+ Public method to set up the viewmanager part of the Window menu.
+
+ @param windowMenu reference to the window menu
+ """
+ pass
+
+ def _initWindowActions(self):
+ """
+ Protected method to define the user interface actions for window handling.
+ """
+ pass
+
+ def setEditorName(self, editor, newName):
+ """
+ Change the displayed name of the editor.
+
+ @param editor editor window to be changed
+ @param newName new name to be shown (string)
+ """
+ currentRow = self.viewlist.currentRow()
+ index = self.editors.index(editor)
+ txt = os.path.basename(newName)
+ if not QFileInfo(newName).isWritable():
+ txt = self.trUtf8("{0} (ro)").format(txt)
+ itm = self.viewlist.item(index)
+ itm.setText(txt)
+ itm.setToolTip(newName)
+ self.viewlist.setCurrentRow(currentRow)
+ self.emit(SIGNAL('changeCaption'), unicode(newName))
+
+ def _modificationStatusChanged(self, m, editor):
+ """
+ Protected slot to handle the modificationStatusChanged signal.
+
+ @param m flag indicating the modification status (boolean)
+ @param editor editor window changed
+ """
+ currentRow = self.viewlist.currentRow()
+ index = self.editors.index(editor)
+ if m:
+ self.viewlist.item(index).setIcon(UI.PixmapCache.getIcon("fileModified.png"))
+ elif editor.hasSyntaxErrors():
+ self.viewlist.item(index).setIcon(UI.PixmapCache.getIcon("syntaxError.png"))
+ else:
+ self.viewlist.item(index).setIcon(UI.PixmapCache.getIcon("empty.png"))
+ self.viewlist.setCurrentRow(currentRow)
+ self._checkActions(editor)
+
+ def _syntaxErrorToggled(self, editor):
+ """
+ Protected slot to handle the syntaxerrorToggled signal.
+
+ @param editor editor that sent the signal
+ """
+ currentRow = self.viewlist.currentRow()
+ index = self.editors.index(editor)
+ if editor.hasSyntaxErrors():
+ self.viewlist.item(index).setIcon(UI.PixmapCache.getIcon("syntaxError.png"))
+ else:
+ self.viewlist.item(index).setIcon(UI.PixmapCache.getIcon("empty.png"))
+ self.viewlist.setCurrentRow(currentRow)
+
+ ViewManager._syntaxErrorToggled(self, editor)
+
+ def addSplit(self):
+ """
+ Public method used to split the current view.
+ """
+ stack = StackedWidget(self.stackArea)
+ stack.show()
+ self.stackArea.addWidget(stack)
+ self.stacks.append(stack)
+ self.currentStack = stack
+ self.connect(stack, SIGNAL('currentChanged(int)'),
+ self.__currentChanged)
+ stack.installEventFilter(self)
+ if self.stackArea.orientation() == Qt.Horizontal:
+ size = self.stackArea.width()
+ else:
+ size = self.stackArea.height()
+ self.stackArea.setSizes([int(size/len(self.stacks))] * len(self.stacks))
+ self.splitRemoveAct.setEnabled(True)
+ self.nextSplitAct.setEnabled(True)
+ self.prevSplitAct.setEnabled(True)
+
+ def removeSplit(self):
+ """
+ Public method used to remove the current split view.
+
+ @return flag indicating successfull removal
+ """
+ if len(self.stacks) > 1:
+ stack = self.currentStack
+ res = True
+ savedEditors = stack.editors[:]
+ for editor in savedEditors:
+ res &= self.closeEditor(editor)
+ if res:
+ try:
+ i = self.stacks.index(stack)
+ except ValueError:
+ return True
+ if i == len(self.stacks) - 1:
+ i -= 1
+ self.stacks.remove(stack)
+ stack.close()
+ self.currentStack = self.stacks[i]
+ if len(self.stacks) == 1:
+ self.splitRemoveAct.setEnabled(False)
+ self.nextSplitAct.setEnabled(False)
+ self.prevSplitAct.setEnabled(False)
+ return True
+
+ return False
+
+ def setSplitOrientation(self, orientation):
+ """
+ Public method used to set the orientation of the split view.
+
+ @param orientation orientation of the split
+ (Qt.Horizontal or Qt.Vertical)
+ """
+ self.stackArea.setOrientation(orientation)
+
+ def nextSplit(self):
+ """
+ Public slot used to move to the next split.
+ """
+ aw = self.activeWindow()
+ _hasFocus = aw and aw.hasFocus()
+ ind = self.stacks.index(self.currentStack) + 1
+ if ind == len(self.stacks):
+ ind = 0
+
+ self.currentStack = self.stacks[ind]
+ if _hasFocus:
+ aw = self.activeWindow()
+ if aw:
+ aw.setFocus()
+
+ index = self.editors.index(self.currentStack.currentWidget())
+ self.viewlist.setCurrentRow(index)
+
+ def prevSplit(self):
+ """
+ Public slot used to move to the previous split.
+ """
+ aw = self.activeWindow()
+ _hasFocus = aw and aw.hasFocus()
+ ind = self.stacks.index(self.currentStack) - 1
+ if ind == -1:
+ ind = len(self.stacks) - 1
+
+ self.currentStack = self.stacks[ind]
+ if _hasFocus:
+ aw = self.activeWindow()
+ if aw:
+ aw.setFocus()
+ index = self.editors.index(self.currentStack.currentWidget())
+ self.viewlist.setCurrentRow(index)
+
+ def __contextMenuClose(self):
+ """
+ Private method to close the selected tab.
+ """
+ if self.contextMenuEditor:
+ self.closeEditorWindow(self.contextMenuEditor)
+
+ def __contextMenuCloseAll(self):
+ """
+ Private method to close all tabs.
+ """
+ savedEditors = self.editors[:]
+ for editor in savedEditors:
+ self.closeEditorWindow(editor)
+
+ def __contextMenuSave(self):
+ """
+ Private method to save the selected tab.
+ """
+ if self.contextMenuEditor:
+ self.saveEditorEd(self.contextMenuEditor)
+
+ def __contextMenuSaveAs(self):
+ """
+ Private method to save the selected tab to a new file.
+ """
+ if self.contextMenuEditor:
+ self.saveAsEditorEd(self.contextMenuEditor)
+
+ def __contextMenuSaveAll(self):
+ """
+ Private method to save all tabs.
+ """
+ self.saveEditorsList(self.editors)
+
+ def __contextMenuSaveToProject(self):
+ """
+ Private method to save the selected tab to the current project.
+ """
+ if self.contextMenuEditor:
+ self.saveEditorToProjectEd(self.contextMenuEditor)
+
+ def __contextMenuPrintFile(self):
+ """
+ Private method to print the selected tab.
+ """
+ if self.contextMenuEditor:
+ self.printEditor(self.contextMenuEditor)
+
+ def __currentChanged(self, index):
+ """
+ Private slot to handle the currentChanged signal.
+
+ @param index index of the current editor
+ """
+ if index == -1 or not self.editors:
+ return
+
+ editor = self.activeWindow()
+ if editor is None:
+ return
+
+ self._checkActions(editor)
+ editor.setFocus()
+ fn = editor.getFileName()
+ if fn:
+ self.emit(SIGNAL('changeCaption'), fn)
+ if not self.__inRemoveView:
+ self.emit(SIGNAL('editorChanged'), fn)
+ else:
+ self.emit(SIGNAL('changeCaption'), "")
+
+ cindex = self.editors.index(editor)
+ self.viewlist.setCurrentRow(cindex)
+
+ def eventFilter(self, watched, event):
+ """
+ Method called to filter the event queue.
+
+ @param watched the QObject being watched
+ @param event the event that occurred
+ @return flag indicating, if we handled the event
+ """
+ if event.type() == QEvent.MouseButtonPress and \
+ not event.button() == Qt.RightButton:
+ if isinstance(watched, QStackedWidget):
+ switched = watched is not self.currentStack
+ self.currentStack = watched
+ elif isinstance(watched, QScintilla.Editor.Editor):
+ for stack in self.stacks:
+ if stack.hasEditor(watched):
+ switched = stack is not self.currentStack
+ self.currentStack = stack
+ break
+ currentWidget = self.currentStack.currentWidget()
+ if currentWidget:
+ index = self.editors.index(currentWidget)
+ self.viewlist.setCurrentRow(index)
+
+ aw = self.activeWindow()
+ if aw is not None:
+ self._checkActions(aw)
+ aw.setFocus()
+ fn = aw.getFileName()
+ if fn:
+ self.emit(SIGNAL('changeCaption'), fn)
+ if switched:
+ self.emit(SIGNAL('editorChanged'), fn)
+ else:
+ self.emit(SIGNAL('changeCaption'), "")
+
+ return False
