/
paletteTreeWidget.cpp
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/
paletteTreeWidget.cpp
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/* Copyright 2007-2015 QReal Research Group
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License. */
#include "paletteTreeWidget.h"
#include <QtGui/QMouseEvent>
#include <QtWidgets/QMenu>
#include "mainWindow/palette/paletteTree.h"
#include "mainWindow/palette/draggableElement.h"
#include "dialogs/metamodelingOnFly/chooseTypeDialog.h"
using namespace qReal;
using namespace gui;
const EditorManagerInterface *PaletteTreeWidget::mEditorManager = nullptr;
PaletteTreeWidget::PaletteTreeWidget(PaletteTree &palette, MainWindow &mainWindow
, const EditorManagerInterface &editorManagerProxy, bool editable)
: mMainWindow(mainWindow)
, mPaletteTree(palette)
, mEditable(editable)
{
mEditorManager = &editorManagerProxy;
}
void PaletteTreeWidget::addGroups(QList<QPair<QString, QList<PaletteElement>>> &groups
, QMap<QString, QString> const &descriptions
, bool hideIfEmpty
, const QString &diagramFriendlyName
, bool sort)
{
qDeleteAll(mPaletteItems);
qDeleteAll(mPaletteElements);
mPaletteItems.clear();
mPaletteElements.clear();
mElementsSet.clear();
mItemsVisible.clear();
if (groups.isEmpty() && hideIfEmpty) {
hide();
return;
}
clear();
show();
if (sort) {
std::sort(groups.begin(), groups.end()
, [](QPair<QString, QList<PaletteElement>> const &e1
, QPair<QString, QList<PaletteElement>> const &e2)
{
return e1.first < e2.first;
}
);
}
int expandedCount = 0;
for (auto &group : groups) {
QTreeWidgetItem * const item = new QTreeWidgetItem;
item->setText(0, group.first);
item->setToolTip(0, descriptions[group.first]);
if (sort) {
sortByFriendlyName(group.second);
}
addItemsRow(group.second, item);
addTopLevelItem(item);
if (SettingsManager::value(diagramFriendlyName + group.first, 0).toBool()) {
++expandedCount;
expandItem(item);
}
}
if (expandedCount == 0) {
expand();
}
}
void PaletteTreeWidget::addItemType(const PaletteElement &data, QTreeWidgetItem *parent)
{
QTreeWidgetItem *leaf = new QTreeWidgetItem;
DraggableElement *element = new DraggableElement(mMainWindow, data, mPaletteTree.iconsView(), *mEditorManager);
mElementsSet.insert(data);
mPaletteElements.insert(data.id(), element);
mPaletteItems.insert(data.id(), leaf);
parent->addChild(leaf);
setItemWidget(leaf, 0, element);
}
void PaletteTreeWidget::addItemsRow(QList<PaletteElement> const &items, QTreeWidgetItem *parent)
{
if (mPaletteTree.itemsCountInARow() == 1 || !mPaletteTree.iconsView()) {
for (const PaletteElement &element : items) {
addItemType(element, parent);
}
return;
}
for (QList<PaletteElement>::ConstIterator it = items.begin(); it != items.end();) {
QWidget *field = new QWidget;
QHBoxLayout *layout = new QHBoxLayout;
int count = mPaletteTree.itemsCountInARow();
for (; it != items.end() && --count > 0; ++it) {
DraggableElement *element = new DraggableElement(mMainWindow, *it, true, *mEditorManager);
element->setToolTip((*it).description());
layout->addWidget(element, count > 0 ? 50 : 0);
}
field->setLayout(layout);
field->setMinimumHeight(80);
QTreeWidgetItem *leaf = new QTreeWidgetItem;
parent->addChild(leaf);
if (mEditable) {
leaf->setFlags(leaf->flags() | Qt::ItemIsEditable);
}
setItemWidget(leaf, 0, field);
}
}
void PaletteTreeWidget::mousePressEvent(QMouseEvent *event)
{
if (event->button() == Qt::RightButton) {
if (mEditorManager->isInterpretationMode()) {
QMenu menu;
ChooseTypeDialog *chooseTypeDialog = new ChooseTypeDialog(mPaletteTree.currentEditor()
, *mEditorManager, &mMainWindow);
QAction * const addNodePaletteAction = menu.addAction(tr("Add Entity"));
QAction * const addEdgePaletteAction = menu.addAction(tr("Add Relastionship"));
connect(addNodePaletteAction, &QAction::triggered, chooseTypeDialog, &ChooseTypeDialog::nodeButtonClicked);
connect(addEdgePaletteAction, &QAction::triggered, chooseTypeDialog, &ChooseTypeDialog::edgeButtonClicked);
connect(chooseTypeDialog, &ChooseTypeDialog::jobDone, &mMainWindow, &MainWindow::loadEditorPlugins);
menu.exec(QCursor::pos());
}
}
QTreeWidget::mousePressEvent(event);
}
void PaletteTreeWidget::expand()
{
for (int i = 0; i < topLevelItemCount(); i++) {
if (topLevelItem(i)) {
expandChildren(topLevelItem(i));
}
}
}
void PaletteTreeWidget::sortByFriendlyName(IdList &ids)
{
std::sort(ids.begin(), ids.end(), idLessThan);
}
void PaletteTreeWidget::sortByFriendlyName(QList<PaletteElement> &elements)
{
std::sort(elements.begin(), elements.end(), paletteElementLessThan);
}
void PaletteTreeWidget::editItem(QTreeWidgetItem * const item)
{
edit(indexFromItem(item));
}
void PaletteTreeWidget::expandChildren(QTreeWidgetItem *item)
{
for (int i = 0; i < item->childCount(); i++) {
if (item->child(i)) {
expandChildren(item->child(i));
}
}
item->treeWidget()->expandItem(item);
}
void PaletteTreeWidget::collapse()
{
for (int i = 0; i < topLevelItemCount(); i++) {
if (topLevelItem(i)) {
collapseChildren(topLevelItem(i));
}
}
}
void PaletteTreeWidget::collapseChildren(QTreeWidgetItem *item)
{
for (int i = 0; i < item->childCount(); i++) {
if (item->child(i)) {
collapseChildren(item->child(i));
}
}
item->treeWidget()->collapseItem(item);
}
bool PaletteTreeWidget::idLessThan(const Id &s1, const Id &s2)
{
return mEditorManager->friendlyName(s1).toLower() < mEditorManager->friendlyName(s2).toLower();
}
bool PaletteTreeWidget::paletteElementLessThan(const PaletteElement &s1, const PaletteElement &s2)
{
return idLessThan(s1.id(), s2.id());
}
void PaletteTreeWidget::setElementVisible(const Id &metatype, bool visible)
{
if (mPaletteItems.contains(metatype)) {
mItemsVisible[mPaletteItems[metatype]] = visible;
mPaletteItems[metatype]->setHidden(!visible);
updateGroupVisibility(mPaletteItems[metatype]);
}
}
void PaletteTreeWidget::setVisibleForAllElements(bool visible)
{
for (const Id &element : mPaletteElements.keys()) {
setElementVisible(element, visible);
}
}
void PaletteTreeWidget::setElementEnabled(const Id &metatype, bool enabled)
{
if (mPaletteElements.contains(metatype)) {
mPaletteElements[metatype]->setEnabled(enabled);
}
}
void PaletteTreeWidget::setEnabledForAllElements(bool enabled)
{
for (QWidget * const element : mPaletteElements.values()) {
element->setEnabled(enabled);
}
}
void PaletteTreeWidget::filter(const QRegExp ®exp)
{
QHash<QTreeWidgetItem *, int> visibleCount;
traverse([this, ®exp, &visibleCount](QTreeWidgetItem *item) {
if (DraggableElement * const element = dynamic_cast<DraggableElement *>(itemWidget(item, 0))) {
const QString text = element->text();
const bool itemDisabledBySystem = mItemsVisible.contains(item) && !mItemsVisible[item];
item->setHidden(itemDisabledBySystem || !text.contains(regexp));
if (!item->isHidden()) {
++visibleCount[item->parent()];
}
}
});
for (int i = 0; i < topLevelItemCount(); ++i) {
QTreeWidgetItem * const item = topLevelItem(i);
item->setHidden(visibleCount[item] == 0);
}
}
void PaletteTreeWidget::traverse(const PaletteTreeWidget::Action &action) const
{
for (int i = 0; i < topLevelItemCount(); ++i) {
traverse(topLevelItem(i), action);
}
}
const QSet<PaletteElement> &PaletteTreeWidget::elementsSet() const
{
return mElementsSet;
}
void PaletteTreeWidget::traverse(QTreeWidgetItem * const item, const PaletteTreeWidget::Action &action) const
{
action(item);
for (int i = 0; i < item->childCount(); ++i) {
traverse(item->child(i), action);
}
}
void PaletteTreeWidget::updateGroupVisibility(const QTreeWidgetItem * const item)
{
const auto parent = item->parent();
bool hasVisible = false;
for (int i = 0; i < parent->childCount(); ++i) {
if (mItemsVisible.contains(parent->child(i)) && mItemsVisible[parent->child(i)]) {
hasVisible = true;
}
}
parent->setHidden(!hasVisible);
}