eric6/QScintilla/EditorAssembly.py

changeset 6942
2602857055c5
parent 6645
ad476851d7e0
child 7175
68f83a144355
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/eric6/QScintilla/EditorAssembly.py	Sun Apr 14 15:09:21 2019 +0200
@@ -0,0 +1,342 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2011 - 2019 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing the editor assembly widget containing the navigation
+combos and the editor widget.
+"""
+
+from __future__ import unicode_literals
+
+from PyQt5.QtCore import QTimer
+from PyQt5.QtWidgets import QWidget, QGridLayout, QComboBox
+
+import UI.PixmapCache
+
+
+class EditorAssembly(QWidget):
+    """
+    Class implementing the editor assembly widget containing the navigation
+    combos and the editor widget.
+    """
+    def __init__(self, dbs, fn="", vm=None, filetype="", editor=None,
+                 tv=None):
+        """
+        Constructor
+        
+        @param dbs reference to the debug server object
+        @param fn name of the file to be opened (string). If it is None,
+            a new (empty) editor is opened
+        @param vm reference to the view manager object
+            (ViewManager.ViewManager)
+        @param filetype type of the source file (string)
+        @param editor reference to an Editor object, if this is a cloned view
+        @param tv reference to the task viewer object
+        """
+        super(EditorAssembly, self).__init__()
+        
+        self.__layout = QGridLayout(self)
+        self.__layout.setContentsMargins(0, 0, 0, 0)
+        self.__layout.setSpacing(1)
+        
+        from .EditorButtonsWidget import EditorButtonsWidget
+        from .Editor import Editor
+        
+        self.__editor = Editor(dbs, fn, vm, filetype, editor, tv)
+        self.__buttonsWidget = EditorButtonsWidget(self.__editor, self)
+        self.__globalsCombo = QComboBox()
+        self.__membersCombo = QComboBox()
+        
+        self.__layout.addWidget(self.__buttonsWidget, 1, 0, -1, 1)
+        self.__layout.addWidget(self.__globalsCombo, 0, 1)
+        self.__layout.addWidget(self.__membersCombo, 0, 2)
+        self.__layout.addWidget(self.__editor, 1, 1, 1, -1)
+        
+        self.__module = None
+        
+        self.__globalsCombo.activated[int].connect(self.__globalsActivated)
+        self.__membersCombo.activated[int].connect(self.__membersActivated)
+        self.__editor.cursorLineChanged.connect(self.__editorCursorLineChanged)
+        
+        self.__shutdownTimerCalled = False
+        self.__parseTimer = QTimer(self)
+        self.__parseTimer.setSingleShot(True)
+        self.__parseTimer.setInterval(5 * 1000)
+        self.__parseTimer.timeout.connect(self.__parseEditor)
+        self.__editor.textChanged.connect(self.__resetParseTimer)
+        self.__editor.refreshed.connect(self.__resetParseTimer)
+        
+        self.__selectedGlobal = ""
+        self.__selectedMember = ""
+        self.__globalsBoundaries = {}
+        self.__membersBoundaries = {}
+        
+        QTimer.singleShot(0, self.__parseEditor)
+    
+    def shutdownTimer(self):
+        """
+        Public method to stop and disconnect the timer.
+        """
+        self.__parseTimer.stop()
+        if not self.__shutdownTimerCalled:
+            self.__parseTimer.timeout.disconnect(self.__parseEditor)
+            self.__editor.textChanged.disconnect(self.__resetParseTimer)
+            self.__editor.refreshed.disconnect(self.__resetParseTimer)
+            self.__shutdownTimerCalled = True
+    
+    def getEditor(self):
+        """
+        Public method to get the reference to the editor widget.
+        
+        @return reference to the editor widget (Editor)
+        """
+        return self.__editor
+    
+    def __globalsActivated(self, index, moveCursor=True):
+        """
+        Private method to jump to the line of the selected global entry and to
+        populate the members combo box.
+        
+        @param index index of the selected entry (integer)
+        @keyparam moveCursor flag indicating to move the editor cursor
+            (boolean)
+        """
+        # step 1: go to the line of the selected entry
+        lineno = self.__globalsCombo.itemData(index)
+        if lineno is not None:
+            if moveCursor:
+                txt = self.__editor.text(lineno - 1).rstrip()
+                pos = len(txt.replace(txt.strip(), ""))
+                self.__editor.gotoLine(
+                    lineno, pos if pos == 0 else pos + 1, True)
+                self.__editor.setFocus()
+            
+            # step 2: populate the members combo, if the entry is a class
+            self.__membersCombo.clear()
+            self.__membersBoundaries = {}
+            self.__membersCombo.addItem("")
+            memberIndex = 0
+            entryName = self.__globalsCombo.itemText(index)
+            if self.__module:
+                if entryName in self.__module.classes:
+                    entry = self.__module.classes[entryName]
+                elif entryName in self.__module.modules:
+                    entry = self.__module.modules[entryName]
+                    # step 2.0: add module classes
+                    items = {}
+                    for cl in entry.classes.values():
+                        if cl.isPrivate():
+                            icon = UI.PixmapCache.getIcon("class_private.png")
+                        elif cl.isProtected():
+                            icon = UI.PixmapCache.getIcon(
+                                "class_protected.png")
+                        else:
+                            icon = UI.PixmapCache.getIcon("class.png")
+                        items[cl.name] = (icon, cl.lineno, cl.endlineno)
+                    for key in sorted(items.keys()):
+                        itm = items[key]
+                        self.__membersCombo.addItem(itm[0], key, itm[1])
+                        memberIndex += 1
+                        self.__membersBoundaries[(itm[1], itm[2])] = \
+                            memberIndex
+                else:
+                    return
+                
+                # step 2.1: add class methods
+                from Utilities.ModuleParser import Function
+                items = {}
+                for meth in entry.methods.values():
+                    if meth.modifier == Function.Static:
+                        icon = UI.PixmapCache.getIcon("method_static.png")
+                    elif meth.modifier == Function.Class:
+                        icon = UI.PixmapCache.getIcon("method_class.png")
+                    elif meth.isPrivate():
+                        icon = UI.PixmapCache.getIcon("method_private.png")
+                    elif meth.isProtected():
+                        icon = UI.PixmapCache.getIcon("method_protected.png")
+                    else:
+                        icon = UI.PixmapCache.getIcon("method.png")
+                    items[meth.name] = (icon, meth.lineno, meth.endlineno)
+                for key in sorted(items.keys()):
+                    itm = items[key]
+                    self.__membersCombo.addItem(itm[0], key, itm[1])
+                    memberIndex += 1
+                    self.__membersBoundaries[(itm[1], itm[2])] = memberIndex
+                
+                # step 2.2: add class instance attributes
+                items = {}
+                for attr in entry.attributes.values():
+                    if attr.isPrivate():
+                        icon = UI.PixmapCache.getIcon("attribute_private.png")
+                    elif attr.isProtected():
+                        icon = UI.PixmapCache.getIcon(
+                            "attribute_protected.png")
+                    else:
+                        icon = UI.PixmapCache.getIcon("attribute.png")
+                    items[attr.name] = (icon, attr.lineno)
+                for key in sorted(items.keys()):
+                    itm = items[key]
+                    self.__membersCombo.addItem(itm[0], key, itm[1])
+                
+                # step 2.3: add class attributes
+                items = {}
+                icon = UI.PixmapCache.getIcon("attribute_class.png")
+                for glob in entry.globals.values():
+                    items[glob.name] = (icon, glob.lineno)
+                for key in sorted(items.keys()):
+                    itm = items[key]
+                    self.__membersCombo.addItem(itm[0], key, itm[1])
+    
+    def __membersActivated(self, index, moveCursor=True):
+        """
+        Private method to jump to the line of the selected members entry.
+        
+        @param index index of the selected entry (integer)
+        @keyparam moveCursor flag indicating to move the editor cursor
+            (boolean)
+        """
+        lineno = self.__membersCombo.itemData(index)
+        if lineno is not None and moveCursor:
+            txt = self.__editor.text(lineno - 1).rstrip()
+            pos = len(txt.replace(txt.strip(), ""))
+            self.__editor.gotoLine(lineno, pos if pos == 0 else pos + 1,
+                                   firstVisible=True, expand=True)
+            self.__editor.setFocus()
+    
+    def __resetParseTimer(self):
+        """
+        Private slot to reset the parse timer.
+        """
+        self.__parseTimer.stop()
+        self.__parseTimer.start()
+    
+    def __parseEditor(self):
+        """
+        Private method to parse the editor source and repopulate the globals
+        combo.
+        """
+        from Utilities.ModuleParser import Module, getTypeFromTypeName
+        
+        self.__module = None
+        sourceType = getTypeFromTypeName(self.__editor.determineFileType())
+        if sourceType != -1:
+            src = self.__editor.text()
+            if src:
+                fn = self.__editor.getFileName()
+                if fn is None:
+                    fn = ""
+                self.__module = Module("", fn, sourceType)
+                self.__module.scan(src)
+                
+                # remember the current selections
+                self.__selectedGlobal = self.__globalsCombo.currentText()
+                self.__selectedMember = self.__membersCombo.currentText()
+                
+                self.__globalsCombo.clear()
+                self.__membersCombo.clear()
+                self.__globalsBoundaries = {}
+                self.__membersBoundaries = {}
+                
+                self.__globalsCombo.addItem("")
+                index = 0
+                
+                # step 1: add modules
+                items = {}
+                for module in self.__module.modules.values():
+                    items[module.name] = (UI.PixmapCache.getIcon("module.png"),
+                                          module.lineno, module.endlineno)
+                for key in sorted(items.keys()):
+                    itm = items[key]
+                    self.__globalsCombo.addItem(itm[0], key, itm[1])
+                    index += 1
+                    self.__globalsBoundaries[(itm[1], itm[2])] = index
+                
+                # step 2: add classes
+                items = {}
+                for cl in self.__module.classes.values():
+                    if cl.isPrivate():
+                        icon = UI.PixmapCache.getIcon("class_private.png")
+                    elif cl.isProtected():
+                        icon = UI.PixmapCache.getIcon("class_protected.png")
+                    else:
+                        icon = UI.PixmapCache.getIcon("class.png")
+                    items[cl.name] = (icon, cl.lineno, cl.endlineno)
+                for key in sorted(items.keys()):
+                    itm = items[key]
+                    self.__globalsCombo.addItem(itm[0], key, itm[1])
+                    index += 1
+                    self.__globalsBoundaries[(itm[1], itm[2])] = index
+                
+                # step 3: add functions
+                items = {}
+                for func in self.__module.functions.values():
+                    if func.isPrivate():
+                        icon = UI.PixmapCache.getIcon("method_private.png")
+                    elif func.isProtected():
+                        icon = UI.PixmapCache.getIcon("method_protected.png")
+                    else:
+                        icon = UI.PixmapCache.getIcon("method.png")
+                    items[func.name] = (icon, func.lineno, func.endlineno)
+                for key in sorted(items.keys()):
+                    itm = items[key]
+                    self.__globalsCombo.addItem(itm[0], key, itm[1])
+                    index += 1
+                    self.__globalsBoundaries[(itm[1], itm[2])] = index
+                
+                # step 4: add attributes
+                items = {}
+                for glob in self.__module.globals.values():
+                    if glob.isPrivate():
+                        icon = UI.PixmapCache.getIcon("attribute_private.png")
+                    elif glob.isProtected():
+                        icon = UI.PixmapCache.getIcon(
+                            "attribute_protected.png")
+                    else:
+                        icon = UI.PixmapCache.getIcon("attribute.png")
+                    items[glob.name] = (icon, glob.lineno)
+                for key in sorted(items.keys()):
+                    itm = items[key]
+                    self.__globalsCombo.addItem(itm[0], key, itm[1])
+                
+                # reset the currently selected entries without moving the
+                # text cursor
+                index = self.__globalsCombo.findText(self.__selectedGlobal)
+                if index != -1:
+                    self.__globalsCombo.setCurrentIndex(index)
+                    self.__globalsActivated(index, moveCursor=False)
+                index = self.__membersCombo.findText(self.__selectedMember)
+                if index != -1:
+                    self.__membersCombo.setCurrentIndex(index)
+                    self.__membersActivated(index, moveCursor=False)
+    
+    def __editorCursorLineChanged(self, lineno):
+        """
+        Private slot handling a line change of the cursor of the editor.
+        
+        @param lineno line number of the cursor (integer)
+        """
+        lineno += 1     # cursor position is zero based, code info one based
+        
+        # step 1: search in the globals
+        indexFound = 0
+        for (lower, upper), index in self.__globalsBoundaries.items():
+            if upper == -1:
+                upper = 1000000     # it is the last line
+            if lower <= lineno <= upper:
+                indexFound = index
+                break
+        self.__globalsCombo.setCurrentIndex(indexFound)
+        self.__globalsActivated(indexFound, moveCursor=False)
+        
+        # step 2: search in members
+        indexFound = 0
+        for (lower, upper), index in self.__membersBoundaries.items():
+            if upper == -1:
+                upper = 1000000     # it is the last line
+            if lower <= lineno <= upper:
+                indexFound = index
+                break
+        self.__membersCombo.setCurrentIndex(indexFound)
+        self.__membersActivated(indexFound, moveCursor=False)

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