Long live Qt!

1 files changed, 603 insertions, 0 deletions

diff --git a/tools/designer/src/components/taskmenu/treewidgeteditor.cpp b/tools/designer/src/components/taskmenu/treewidgeteditor.cpp
new file mode 100644
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+++ b/tools/designer/src/components/taskmenu/treewidgeteditor.cpp
@@ -0,0 +1,603 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the Qt Designer of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain
+** additional rights. These rights are described in the Nokia Qt LGPL
+** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "treewidgeteditor.h"
+#include <formwindowbase_p.h>
+#include <iconloader_p.h>
+#include <qdesigner_command_p.h>
+#include <qdesigner_utils_p.h>
+#include <abstractformbuilder.h>
+#include <designerpropertymanager.h>
+#include <qttreepropertybrowser.h>
+
+#include <QtDesigner/QDesignerFormWindowInterface>
+#include <QtDesigner/QDesignerFormEditorInterface>
+#include <QtDesigner/QDesignerIconCacheInterface>
+#include <QtCore/QDir>
+#include <QtCore/QQueue>
+#include <QtGui/QHeaderView>
+#include <QtGui/QTreeWidgetItemIterator>
+
+QT_BEGIN_NAMESPACE
+
+namespace qdesigner_internal {
+
+TreeWidgetEditor::TreeWidgetEditor(QDesignerFormWindowInterface *form, QWidget *parent)
+    : AbstractItemEditor(form, parent), m_updatingBrowser(false)
+{
+    m_columnEditor = new ItemListEditor(form, this);
+    m_columnEditor->setObjectName(QLatin1String("columnEditor"));
+    m_columnEditor->setNewItemText(tr("New Column"));
+    ui.setupUi(this);
+
+    injectPropertyBrowser(ui.itemsTab, ui.widget);
+    connect(ui.showPropertiesButton, SIGNAL(clicked()),
+            this, SLOT(togglePropertyBrowser()));
+    togglePropertyBrowser();
+
+    ui.tabWidget->insertTab(0, m_columnEditor, tr("&Columns"));
+    ui.tabWidget->setCurrentIndex(0);
+    setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
+
+    ui.newItemButton->setIcon(createIconSet(QString::fromUtf8("plus.png")));
+    ui.newSubItemButton->setIcon(createIconSet(QString::fromUtf8("downplus.png")));
+    ui.deleteItemButton->setIcon(createIconSet(QString::fromUtf8("minus.png")));
+    ui.moveItemUpButton->setIcon(createIconSet(QString::fromUtf8("up.png")));
+    ui.moveItemDownButton->setIcon(createIconSet(QString::fromUtf8("down.png")));
+    ui.moveItemRightButton->setIcon(createIconSet(QString::fromUtf8("leveldown.png")));
+    ui.moveItemLeftButton->setIcon(createIconSet(QString::fromUtf8("levelup.png")));
+
+    ui.treeWidget->header()->setMovable(false);
+
+    connect(iconCache(), SIGNAL(reloaded()), this, SLOT(cacheReloaded()));
+}
+
+static AbstractItemEditor::PropertyDefinition treeHeaderPropList[] = {
+    { Qt::DisplayPropertyRole, 0, DesignerPropertyManager::designerStringTypeId, "text" },
+    { Qt::DecorationPropertyRole, 0, DesignerPropertyManager::designerIconTypeId, "icon" },
+    { Qt::ToolTipPropertyRole, 0, DesignerPropertyManager::designerStringTypeId, "toolTip" },
+    { Qt::StatusTipPropertyRole, 0, DesignerPropertyManager::designerStringTypeId, "statusTip" },
+    { Qt::WhatsThisPropertyRole, 0, DesignerPropertyManager::designerStringTypeId, "whatsThis" },
+    { Qt::FontRole, QVariant::Font, 0, "font" },
+    { Qt::TextAlignmentRole, 0, DesignerPropertyManager::designerAlignmentTypeId, "textAlignment" },
+    { Qt::BackgroundRole, QVariant::Color, 0, "background" },
+    { Qt::ForegroundRole, QVariant::Brush, 0, "foreground" },
+    { 0, 0, 0, 0 }
+};
+
+static AbstractItemEditor::PropertyDefinition treeItemColumnPropList[] = {
+    { Qt::DisplayPropertyRole, 0, DesignerPropertyManager::designerStringTypeId, "text" },
+    { Qt::DecorationPropertyRole, 0, DesignerPropertyManager::designerIconTypeId, "icon" },
+    { Qt::ToolTipPropertyRole, 0, DesignerPropertyManager::designerStringTypeId, "toolTip" },
+    { Qt::StatusTipPropertyRole, 0, DesignerPropertyManager::designerStringTypeId, "statusTip" },
+    { Qt::WhatsThisPropertyRole, 0, DesignerPropertyManager::designerStringTypeId, "whatsThis" },
+    { Qt::FontRole, QVariant::Font, 0, "font" },
+    { Qt::TextAlignmentRole, 0, DesignerPropertyManager::designerAlignmentTypeId, "textAlignment" },
+    { Qt::BackgroundRole, QVariant::Brush, 0, "background" },
+    { Qt::ForegroundRole, QVariant::Brush, 0, "foreground" },
+    { Qt::CheckStateRole, 0, QtVariantPropertyManager::enumTypeId, "checkState" },
+    { 0, 0, 0, 0 }
+};
+
+static AbstractItemEditor::PropertyDefinition treeItemCommonPropList[] = {
+    { ItemFlagsShadowRole, 0, QtVariantPropertyManager::flagTypeId, "flags" },
+    { 0, 0, 0, 0 }
+};
+
+QtVariantProperty *TreeWidgetEditor::setupPropertyGroup(const QString &title, PropertyDefinition *propDefs)
+{
+    setupProperties(propDefs);
+    QtVariantProperty *groupProp = m_propertyManager->addProperty(QtVariantPropertyManager::groupTypeId(), title);
+    foreach (QtVariantProperty *prop, m_rootProperties)
+        groupProp->addSubProperty(prop);
+    m_rootProperties.clear();
+    return groupProp;
+}
+
+TreeWidgetContents TreeWidgetEditor::fillContentsFromTreeWidget(QTreeWidget *treeWidget)
+{
+    TreeWidgetContents treeCont;
+    treeCont.fromTreeWidget(treeWidget, false);
+    treeCont.applyToTreeWidget(ui.treeWidget, iconCache(), true);
+
+    treeCont.m_headerItem.applyToListWidget(m_columnEditor->listWidget(), iconCache(), true);
+    m_columnEditor->setupEditor(treeWidget, treeHeaderPropList);
+
+    QList<QtVariantProperty*> rootProperties;
+    rootProperties.append(setupPropertyGroup(tr("Per column properties"), treeItemColumnPropList));
+    rootProperties.append(setupPropertyGroup(tr("Common properties"), treeItemCommonPropList));
+    m_rootProperties = rootProperties;
+    m_propertyBrowser->setPropertiesWithoutValueMarked(true);
+    m_propertyBrowser->setRootIsDecorated(false);
+    setupObject(treeWidget);
+
+    if (ui.treeWidget->topLevelItemCount() > 0)
+        ui.treeWidget->setCurrentItem(ui.treeWidget->topLevelItem(0));
+
+    updateEditor();
+
+    return treeCont;
+}
+
+TreeWidgetContents TreeWidgetEditor::contents() const
+{
+    TreeWidgetContents retVal;
+    retVal.fromTreeWidget(ui.treeWidget, true);
+    return retVal;
+}
+
+void TreeWidgetEditor::setItemData(int role, const QVariant &v)
+{
+    const int col = (role == ItemFlagsShadowRole) ? 0 : ui.treeWidget->currentColumn();
+    QVariant newValue = v;
+    BoolBlocker block(m_updatingBrowser);
+    if (role == Qt::FontRole && newValue.type() == QVariant::Font) {
+        QFont oldFont = ui.treeWidget->font();
+        QFont newFont = qVariantValue<QFont>(newValue).resolve(oldFont);
+        newValue = qVariantFromValue(newFont);
+        ui.treeWidget->currentItem()->setData(col, role, QVariant()); // force the right font with the current resolve mask is set (item view bug)
+    }
+    ui.treeWidget->currentItem()->setData(col, role, newValue);
+}
+
+QVariant TreeWidgetEditor::getItemData(int role) const
+{
+    const int col = (role == ItemFlagsShadowRole) ? 0 : ui.treeWidget->currentColumn();
+    return ui.treeWidget->currentItem()->data(col, role);
+}
+
+void TreeWidgetEditor::on_newItemButton_clicked()
+{
+    QTreeWidgetItem *curItem = ui.treeWidget->currentItem();
+    QTreeWidgetItem *newItem = 0;
+    ui.treeWidget->blockSignals(true);
+    if (curItem) {
+        if (curItem->parent())
+            newItem = new QTreeWidgetItem(curItem->parent(), curItem);
+        else
+            newItem = new QTreeWidgetItem(ui.treeWidget, curItem);
+    } else
+        newItem = new QTreeWidgetItem(ui.treeWidget);
+    const QString newItemText = tr("New Item");
+    newItem->setText(0, newItemText);
+    newItem->setData(0, Qt::DisplayPropertyRole, qVariantFromValue(PropertySheetStringValue(newItemText)));
+    newItem->setFlags(newItem->flags() | Qt::ItemIsEditable);
+    ui.treeWidget->blockSignals(false);
+
+    ui.treeWidget->setCurrentItem(newItem, qMax(ui.treeWidget->currentColumn(), 0));
+    updateEditor();
+    ui.treeWidget->editItem(newItem, ui.treeWidget->currentColumn());
+}
+
+void TreeWidgetEditor::on_newSubItemButton_clicked()
+{
+    QTreeWidgetItem *curItem = ui.treeWidget->currentItem();
+    if (!curItem)
+        return;
+
+    ui.treeWidget->blockSignals(true);
+    QTreeWidgetItem *newItem = new QTreeWidgetItem(curItem);
+    const QString newItemText = tr("New Subitem");
+    newItem->setText(0, newItemText);
+    newItem->setData(0, Qt::DisplayPropertyRole, qVariantFromValue(PropertySheetStringValue(newItemText)));
+    newItem->setFlags(newItem->flags() | Qt::ItemIsEditable);
+    ui.treeWidget->blockSignals(false);
+
+    ui.treeWidget->setCurrentItem(newItem, ui.treeWidget->currentColumn());
+    updateEditor();
+    ui.treeWidget->editItem(newItem, ui.treeWidget->currentColumn());
+}
+
+void TreeWidgetEditor::on_deleteItemButton_clicked()
+{
+    QTreeWidgetItem *curItem = ui.treeWidget->currentItem();
+    if (!curItem)
+        return;
+
+    QTreeWidgetItem *nextCurrent = 0;
+    if (curItem->parent()) {
+        int idx = curItem->parent()->indexOfChild(curItem);
+        if (idx == curItem->parent()->childCount() - 1)
+            idx--;
+        else
+            idx++;
+        if (idx < 0)
+            nextCurrent = curItem->parent();
+        else
+            nextCurrent = curItem->parent()->child(idx);
+    } else {
+        int idx = ui.treeWidget->indexOfTopLevelItem(curItem);
+        if (idx == ui.treeWidget->topLevelItemCount() - 1)
+            idx--;
+        else
+            idx++;
+        if (idx >= 0)
+            nextCurrent = ui.treeWidget->topLevelItem(idx);
+    }
+    closeEditors();
+    ui.treeWidget->blockSignals(true);
+    delete curItem;
+    ui.treeWidget->blockSignals(false);
+
+    if (nextCurrent)
+        ui.treeWidget->setCurrentItem(nextCurrent, ui.treeWidget->currentColumn());
+    updateEditor();
+}
+
+void TreeWidgetEditor::on_moveItemUpButton_clicked()
+{
+    QTreeWidgetItem *curItem = ui.treeWidget->currentItem();
+    if (!curItem)
+        return;
+
+    int idx;
+    if (curItem->parent())
+        idx = curItem->parent()->indexOfChild(curItem);
+    else
+        idx = ui.treeWidget->indexOfTopLevelItem(curItem);
+    if (idx == 0)
+        return;
+
+    QTreeWidgetItem *takenItem;
+    ui.treeWidget->blockSignals(true);
+    if (curItem->parent()) {
+        QTreeWidgetItem *parentItem = curItem->parent();
+        takenItem = parentItem->takeChild(idx);
+        parentItem->insertChild(idx - 1, takenItem);
+    } else {
+        takenItem = ui.treeWidget->takeTopLevelItem(idx);
+        ui.treeWidget->insertTopLevelItem(idx - 1, takenItem);
+    }
+    ui.treeWidget->blockSignals(false);
+
+    ui.treeWidget->setCurrentItem(takenItem, ui.treeWidget->currentColumn());
+    updateEditor();
+}
+
+void TreeWidgetEditor::on_moveItemDownButton_clicked()
+{
+    QTreeWidgetItem *curItem = ui.treeWidget->currentItem();
+    if (!curItem)
+        return;
+
+    int idx, idxCount;
+    if (curItem->parent()) {
+        idx = curItem->parent()->indexOfChild(curItem);
+        idxCount = curItem->parent()->childCount();
+    } else {
+        idx = ui.treeWidget->indexOfTopLevelItem(curItem);
+        idxCount = ui.treeWidget->topLevelItemCount();
+    }
+    if (idx == idxCount - 1)
+        return;
+
+    QTreeWidgetItem *takenItem;
+    ui.treeWidget->blockSignals(true);
+    if (curItem->parent()) {
+        QTreeWidgetItem *parentItem = curItem->parent();
+        takenItem = parentItem->takeChild(idx);
+        parentItem->insertChild(idx + 1, takenItem);
+    } else {
+        takenItem = ui.treeWidget->takeTopLevelItem(idx);
+        ui.treeWidget->insertTopLevelItem(idx + 1, takenItem);
+    }
+    ui.treeWidget->blockSignals(false);
+
+    ui.treeWidget->setCurrentItem(takenItem, ui.treeWidget->currentColumn());
+    updateEditor();
+}
+
+void TreeWidgetEditor::on_moveItemLeftButton_clicked()
+{
+    QTreeWidgetItem *curItem = ui.treeWidget->currentItem();
+    if (!curItem)
+        return;
+
+    QTreeWidgetItem *parentItem = curItem->parent();
+    if (!parentItem)
+        return;
+
+    ui.treeWidget->blockSignals(true);
+    QTreeWidgetItem *takenItem = parentItem->takeChild(parentItem->indexOfChild(curItem));
+    if (parentItem->parent()) {
+        int idx = parentItem->parent()->indexOfChild(parentItem);
+        parentItem->parent()->insertChild(idx, takenItem);
+    } else {
+        int idx = ui.treeWidget->indexOfTopLevelItem(parentItem);
+        ui.treeWidget->insertTopLevelItem(idx, takenItem);
+    }
+    ui.treeWidget->blockSignals(false);
+
+    ui.treeWidget->setCurrentItem(takenItem, ui.treeWidget->currentColumn());
+    updateEditor();
+}
+
+void TreeWidgetEditor::on_moveItemRightButton_clicked()
+{
+    QTreeWidgetItem *curItem = ui.treeWidget->currentItem();
+    if (!curItem)
+        return;
+
+    int idx, idxCount;
+    if (curItem->parent()) {
+        idx = curItem->parent()->indexOfChild(curItem);
+        idxCount = curItem->parent()->childCount();
+    } else {
+        idx = ui.treeWidget->indexOfTopLevelItem(curItem);
+        idxCount = ui.treeWidget->topLevelItemCount();
+    }
+    if (idx == idxCount - 1)
+        return;
+
+    QTreeWidgetItem *takenItem;
+    ui.treeWidget->blockSignals(true);
+    if (curItem->parent()) {
+        QTreeWidgetItem *parentItem = curItem->parent()->child(idx + 1);
+        takenItem = curItem->parent()->takeChild(idx);
+        parentItem->insertChild(0, takenItem);
+    } else {
+        QTreeWidgetItem *parentItem = ui.treeWidget->topLevelItem(idx + 1);
+        takenItem = ui.treeWidget->takeTopLevelItem(idx);
+        parentItem->insertChild(0, takenItem);
+    }
+    ui.treeWidget->blockSignals(false);
+
+    ui.treeWidget->setCurrentItem(takenItem, ui.treeWidget->currentColumn());
+    updateEditor();
+}
+
+void TreeWidgetEditor::togglePropertyBrowser()
+{
+    // Always hide in case parent widget is not visible -> on startup
+    const bool isVisible =
+            !this->isVisible() ? true : m_propertyBrowser->isVisible();
+    if (isVisible)
+        ui.showPropertiesButton->setText(tr("Properties &<<"));
+    else
+        ui.showPropertiesButton->setText(tr("Properties &>>"));
+
+    m_propertyBrowser->setVisible(!isVisible);
+}
+
+void TreeWidgetEditor::on_treeWidget_currentItemChanged()
+{
+    m_columnEditor->setCurrentIndex(ui.treeWidget->currentColumn());
+    updateEditor();
+}
+
+void TreeWidgetEditor::on_treeWidget_itemChanged(QTreeWidgetItem *item, int column)
+{
+    if (m_updatingBrowser)
+        return;
+
+    PropertySheetStringValue val = qVariantValue<PropertySheetStringValue>(item->data(column, Qt::DisplayPropertyRole));
+    val.setValue(item->text(column));
+    BoolBlocker block(m_updatingBrowser);
+    item->setData(column, Qt::DisplayPropertyRole, qVariantFromValue(val));
+
+    updateBrowser();
+}
+
+void TreeWidgetEditor::on_columnEditor_indexChanged(int idx)
+{
+    if (QTreeWidgetItem *item = ui.treeWidget->currentItem())
+        ui.treeWidget->setCurrentItem(item, idx);
+}
+
+void TreeWidgetEditor::on_columnEditor_itemChanged(int idx, int role, const QVariant &v)
+{
+    if (role == Qt::DisplayPropertyRole)
+        ui.treeWidget->headerItem()->setData(idx, Qt::EditRole, qVariantValue<PropertySheetStringValue>(v).value());
+    ui.treeWidget->headerItem()->setData(idx, role, v);
+}
+
+void TreeWidgetEditor::updateEditor()
+{
+    QTreeWidgetItem *current = ui.treeWidget->currentItem();
+
+    bool itemsEnabled = false;
+    bool currentItemEnabled = false;
+    bool moveItemUpEnabled = false;
+    bool moveItemDownEnabled = false;
+    bool moveItemRightEnabled = false;
+    bool moveItemLeftEnabled = false;
+
+    if (ui.treeWidget->columnCount() > 0) {
+        itemsEnabled = true;
+        if (current) {
+            int idx;
+            int idxCount;
+            currentItemEnabled = true;
+            if (current->parent()) {
+                moveItemLeftEnabled = true;
+                idx = current->parent()->indexOfChild(current);
+                idxCount = current->parent()->childCount();
+            } else {
+                idx = ui.treeWidget->indexOfTopLevelItem(current);
+                idxCount = ui.treeWidget->topLevelItemCount();
+            }
+            if (idx > 0)
+                moveItemUpEnabled = true;
+            if (idx < idxCount - 1) {
+                moveItemDownEnabled = true;
+                moveItemRightEnabled = true;
+            }
+        }
+    }
+    ui.tabWidget->setTabEnabled(1, itemsEnabled);
+    ui.newSubItemButton->setEnabled(currentItemEnabled);
+    ui.deleteItemButton->setEnabled(currentItemEnabled);
+
+    ui.moveItemUpButton->setEnabled(moveItemUpEnabled);
+    ui.moveItemDownButton->setEnabled(moveItemDownEnabled);
+    ui.moveItemRightButton->setEnabled(moveItemRightEnabled);
+    ui.moveItemLeftButton->setEnabled(moveItemLeftEnabled);
+
+    if (current)
+        updateBrowser();
+    else
+        m_propertyBrowser->clear();
+}
+
+void TreeWidgetEditor::moveColumnItems(const PropertyDefinition *propList,
+        QTreeWidgetItem *item, int fromColumn, int toColumn, int step)
+{
+    BoolBlocker block(m_updatingBrowser);
+
+    QList<QVariant> saveCol;
+    for (int j = 0; propList[j].name; j++)
+        saveCol.append(item->data(toColumn, propList[j].role));
+    QVariant editVariant = item->data(toColumn, Qt::EditRole);
+    QVariant toolTipVariant = item->data(toColumn, Qt::ToolTipRole);
+    QVariant statusTipVariant = item->data(toColumn, Qt::StatusTipRole);
+    QVariant whatsThisVariant = item->data(toColumn, Qt::WhatsThisRole);
+    QVariant decorationVariant = item->data(toColumn, Qt::DecorationRole);
+    for (int i = toColumn; i != fromColumn; i += step) {
+        for (int j = 0; propList[j].name; j++)
+            item->setData(i, propList[j].role, item->data(i + step, propList[j].role));
+        item->setData(i, Qt::EditRole, item->data(i + step, Qt::EditRole));
+        item->setData(i, Qt::ToolTipRole, item->data(i + step, Qt::ToolTipRole));
+        item->setData(i, Qt::StatusTipRole, item->data(i + step, Qt::StatusTipRole));
+        item->setData(i, Qt::WhatsThisRole, item->data(i + step, Qt::WhatsThisRole));
+        item->setData(i, Qt::DecorationRole, item->data(i + step, Qt::DecorationRole));
+    }
+    for (int j = 0; propList[j].name; j++)
+        item->setData(fromColumn, propList[j].role, saveCol[j]);
+    item->setData(fromColumn, Qt::EditRole, editVariant);
+    item->setData(fromColumn, Qt::ToolTipRole, toolTipVariant);
+    item->setData(fromColumn, Qt::StatusTipRole, statusTipVariant);
+    item->setData(fromColumn, Qt::WhatsThisRole, whatsThisVariant);
+    item->setData(fromColumn, Qt::DecorationRole, decorationVariant);
+}
+
+void TreeWidgetEditor::moveColumns(int fromColumn, int toColumn, int step)
+{
+    ui.treeWidget->blockSignals(true);
+
+    moveColumnItems(treeHeaderPropList, ui.treeWidget->headerItem(), fromColumn, toColumn, step);
+
+    QQueue<QTreeWidgetItem *> pendingQueue;
+    for (int i = 0; i < ui.treeWidget->topLevelItemCount(); i++)
+        pendingQueue.enqueue(ui.treeWidget->topLevelItem(i));
+
+    while (!pendingQueue.isEmpty()) {
+        QTreeWidgetItem *item = pendingQueue.dequeue();
+        for (int i = 0; i < item->childCount(); i++)
+            pendingQueue.enqueue(item->child(i));
+
+        moveColumnItems(treeItemColumnPropList, item, fromColumn, toColumn, step);
+    }
+
+    ui.treeWidget->blockSignals(false);
+}
+
+void TreeWidgetEditor::moveColumnsLeft(int fromColumn, int toColumn)
+{
+    if (fromColumn >= toColumn)
+        return;
+
+    moveColumns(fromColumn, toColumn, -1);
+}
+
+void TreeWidgetEditor::moveColumnsRight(int fromColumn, int toColumn)
+{
+    if (fromColumn >= toColumn)
+        return;
+
+    moveColumns(toColumn, fromColumn, 1);
+}
+
+void TreeWidgetEditor::on_columnEditor_itemInserted(int idx)
+{
+    int columnCount = ui.treeWidget->columnCount();
+    ui.treeWidget->setColumnCount(columnCount + 1);
+    ui.treeWidget->headerItem()->setText(columnCount, m_columnEditor->newItemText());
+    moveColumnsLeft(idx, columnCount);
+
+    updateEditor();
+}
+
+void TreeWidgetEditor::on_columnEditor_itemDeleted(int idx)
+{
+    closeEditors();
+
+    int columnCount = ui.treeWidget->columnCount() - 1;
+    if (!columnCount)
+        ui.treeWidget->clear();
+    else
+        moveColumnsRight(idx, columnCount);
+    ui.treeWidget->setColumnCount(columnCount);
+
+    updateEditor();
+}
+
+void TreeWidgetEditor::on_columnEditor_itemMovedUp(int idx)
+{
+    moveColumnsRight(idx - 1, idx);
+
+    ui.treeWidget->setCurrentItem(ui.treeWidget->currentItem(), idx - 1);
+    updateEditor();
+}
+
+void TreeWidgetEditor::on_columnEditor_itemMovedDown(int idx)
+{
+    moveColumnsLeft(idx, idx + 1);
+
+    ui.treeWidget->setCurrentItem(ui.treeWidget->currentItem(), idx + 1);
+    updateEditor();
+}
+
+void TreeWidgetEditor::closeEditors()
+{
+    if (QTreeWidgetItem *cur = ui.treeWidget->currentItem() ) {
+        const int numCols = cur->columnCount ();
+        for (int i = 0; i < numCols; i++)
+            ui.treeWidget->closePersistentEditor (cur, i);
+    }
+}
+
+void TreeWidgetEditor::cacheReloaded()
+{
+    reloadIconResources(iconCache(), ui.treeWidget);
+}
+
+}
+QT_END_NAMESPACE