Python QTreeWidget.resizeColumnToContents方法代码示例

# 需要导入模块: from PyQt5.QtWidgets import QTreeWidget [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeWidget import resizeColumnToContents [as 别名]

#.........这里部分代码省略.........
            for i in d.takeChildren():
                i.doc = None
        # group the documents by directory
        dirs = {}
        for d in documents:
            path = d.url().toLocalFile()
            if path:
                dirname, filename = os.path.split(path)
                dirs.setdefault(dirname, []).append((filename, d))
        for dirname in sorted(dirs, key=util.naturalsort):
            diritem = QTreeWidgetItem()
            diritem.setText(0, util.homify(dirname))
            self.tree.addTopLevelItem(diritem)
            diritem.setExpanded(True)
            diritem.setFlags(Qt.ItemIsEnabled)
            diritem.setIcon(0, icons.get('folder-open'))
            for filename, document in sorted(dirs[dirname],
                                              key=lambda item: util.naturalsort(item[0])):
                fileitem = QTreeWidgetItem()
                diritem.addChild(fileitem)
                if documentwatcher.DocumentWatcher.instance(document).isdeleted():
                    itemtext = _("[deleted]") 
                    icon = "dialog-error"
                else:
                    itemtext = _("[modified]")
                    icon = "document-edit"
                fileitem.setIcon(0, icons.get(icon))
                fileitem.setText(0, filename)
                fileitem.setText(1, itemtext)
                fileitem.doc = document
        # select the item if there is only one
        if len(dirs) == 1 and len(list(dirs.values())[0]) == 1:
            fileitem.setSelected(True)
        self.tree.resizeColumnToContents(0)
        self.tree.resizeColumnToContents(1)
        self.updateButtons()
        
    def removeDocument(self, document):
        """Remove the specified document from our list."""
        for d in range(self.tree.topLevelItemCount()):
            diritem = self.tree.topLevelItem(d)
            for f in range(diritem.childCount()):
                if diritem.child(f).doc is document:
                    i = diritem.takeChild(f)
                    i.doc = None
                    if diritem.childCount() == 0:
                        self.tree.takeTopLevelItem(d)
                    break
            else:
                continue
            break
        self.updateButtons()
        # hide if no documents are left
        if self.tree.topLevelItemCount() == 0:
            self.hide()
    
    def selectedDocuments(self):
        """Return the selected documents."""
        return [i.doc for i in self.tree.selectedItems()]
    
    def allDocuments(self):
        """Return all shown documents."""
        return [self.tree.topLevelItem(d).child(f).doc
                for d in range(self.tree.topLevelItemCount())
                for f in range(self.tree.topLevelItem(d).childCount())]
    

# 需要导入模块: from PyQt5.QtWidgets import QTreeWidget [as 别名]
# 或者: from PyQt5.QtWidgets.QTreeWidget import resizeColumnToContents [as 别名]

#.........这里部分代码省略.........
        # show actions that are left, grouped by collection
        titlegroups = {}
        for a in left[:]: # copy
            collection, name = allactions[a]
            if collection.title():
                titlegroups.setdefault(collection.title(), []).append(a)
                left.remove(a)
        for title in sorted(titlegroups):
            item = QTreeWidgetItem(["{0}:".format(title)])
            for a in titlegroups[title]:
                item.addChild(ShortcutItem(a, *allactions[a]))
            self.tree.addTopLevelItem(item)
            item.setFlags(Qt.ItemIsEnabled) # disable selection

        # show other actions that were not in the menus
        item = QTreeWidgetItem([_("Other commands:")])
        for a in left:
            if a.text() and not a.menu():
                item.addChild(ShortcutItem(a, *allactions[a]))
        if item.childCount():
            self.tree.addTopLevelItem(item)
            item.setFlags(Qt.ItemIsEnabled) # disable selection

        self.tree.expandAll()

        item = self.tree.topLevelItem(0).child(0)
        if _lastaction:
            # find the previously selected item
            for i in self.items():
                if i.name == _lastaction:
                    item = i
                    break
        self.tree.setCurrentItem(item)
        self.tree.resizeColumnToContents(0)

    def items(self):
        """Yield all the items in the actions tree."""
        def children(item):
            for i in range(item.childCount()):
                c = item.child(i)
                if c.childCount():
                    for c1 in children(c):
                        yield c1
                else:
                    yield c
        for c in children(self.tree.invisibleRootItem()):
            yield c

    def item(self, collection, name):
        for item in self.items():
            if item.collection.name == collection and item.name == name:
                return item

    def saveSettings(self):
        self.scheme.saveSettings("shortcut_scheme", "shortcut_schemes", "shortcuts")
        for item in self.items():
            for scheme in self.scheme.schemes():
                item.save(scheme)
            item.clearSettings()
            item.switchScheme(self.scheme.currentScheme())

    def loadSettings(self):
        self.scheme.loadSettings("shortcut_scheme", "shortcut_schemes")
        # clear the settings in all the items
        for item in self.items():
            item.clearSettings()