| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). |
| ** All rights reserved. |
| ** Contact: Nokia Corporation (qt-info@nokia.com) |
| ** |
| ** This file is part of the Qt Designer of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** 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 1.1, 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. |
| ** |
| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
| ** conditions contained in a signed written agreement between you and Nokia. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #include "qdesigner_promotiondialog_p.h" |
| #include "promotionmodel_p.h" |
| #include "iconloader_p.h" |
| #include "widgetdatabase_p.h" |
| #include "signalslotdialog_p.h" |
| |
| #include <QtDesigner/QDesignerFormEditorInterface> |
| #include <QtDesigner/QDesignerFormWindowInterface> |
| #include <QtDesigner/QDesignerPromotionInterface> |
| #include <QtDesigner/QDesignerWidgetDataBaseItemInterface> |
| #include <abstractdialoggui_p.h> |
| |
| #include <QtCore/QTimer> |
| #include <QtGui/QVBoxLayout> |
| #include <QtGui/QHBoxLayout> |
| #include <QtGui/QFormLayout> |
| #include <QtGui/QDialogButtonBox> |
| #include <QtGui/QTreeView> |
| #include <QtGui/QHeaderView> |
| #include <QtGui/QPushButton> |
| #include <QtGui/QItemSelectionModel> |
| #include <QtGui/QItemSelection> |
| #include <QtGui/QComboBox> |
| #include <QtGui/QLineEdit> |
| #include <QtGui/QCheckBox> |
| #include <QtGui/QRegExpValidator> |
| #include <QtGui/QLabel> |
| #include <QtGui/QSpacerItem> |
| #include <QtGui/QMenu> |
| #include <QtGui/QAction> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace qdesigner_internal { |
| // PromotionParameters |
| struct PromotionParameters { |
| QString m_baseClass; |
| QString m_className; |
| QString m_includeFile; |
| }; |
| |
| // NewPromotedClassPanel |
| NewPromotedClassPanel::NewPromotedClassPanel(const QStringList &baseClasses, |
| int selectedBaseClass, |
| QWidget *parent) : |
| QGroupBox(parent), |
| m_baseClassCombo(new QComboBox), |
| m_classNameEdit(new QLineEdit), |
| m_includeFileEdit(new QLineEdit), |
| m_globalIncludeCheckBox(new QCheckBox), |
| m_addButton(new QPushButton(tr("Add"))) |
| { |
| setTitle(tr("New Promoted Class")); |
| setSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Maximum); |
| QHBoxLayout *hboxLayout = new QHBoxLayout(this); |
| |
| m_classNameEdit->setValidator(new QRegExpValidator(QRegExp(QLatin1String("[_a-zA-Z:][:_a-zA-Z0-9]*")), m_classNameEdit)); |
| connect(m_classNameEdit, SIGNAL(textChanged(QString)), this, SLOT(slotNameChanged(QString))); |
| connect(m_includeFileEdit, SIGNAL(textChanged(QString)), this, SLOT(slotIncludeFileChanged(QString))); |
| |
| m_baseClassCombo->setEditable(false); |
| m_baseClassCombo->addItems(baseClasses); |
| if (selectedBaseClass != -1) |
| m_baseClassCombo->setCurrentIndex(selectedBaseClass); |
| |
| // Grid |
| QFormLayout *formLayout = new QFormLayout(); |
| formLayout->addRow(tr("Base class name:"), m_baseClassCombo); |
| formLayout->addRow(tr("Promoted class name:"), m_classNameEdit); |
| formLayout->addRow(tr("Header file:"), m_includeFileEdit); |
| formLayout->addRow(tr("Global include"), m_globalIncludeCheckBox); |
| hboxLayout->addLayout(formLayout); |
| hboxLayout->addItem(new QSpacerItem(15, 0, QSizePolicy::Fixed, QSizePolicy::Ignored)); |
| // Button box |
| QVBoxLayout *buttonLayout = new QVBoxLayout(); |
| |
| m_addButton->setAutoDefault(false); |
| connect(m_addButton, SIGNAL(clicked()), this, SLOT(slotAdd())); |
| m_addButton->setEnabled(false); |
| buttonLayout->addWidget(m_addButton); |
| |
| QPushButton *resetButton = new QPushButton(tr("Reset")); |
| resetButton->setAutoDefault(false); |
| connect(resetButton, SIGNAL(clicked()), this, SLOT(slotReset())); |
| |
| buttonLayout->addWidget(resetButton); |
| buttonLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Ignored, QSizePolicy::Expanding)); |
| hboxLayout->addLayout(buttonLayout); |
| |
| enableButtons(); |
| } |
| |
| void NewPromotedClassPanel::slotAdd() { |
| bool ok = false; |
| emit newPromotedClass(promotionParameters(), &ok); |
| if (ok) |
| slotReset(); |
| } |
| |
| void NewPromotedClassPanel::slotReset() { |
| const QString empty; |
| m_classNameEdit->setText(empty); |
| m_includeFileEdit->setText(empty); |
| m_globalIncludeCheckBox->setCheckState(Qt::Unchecked); |
| } |
| |
| void NewPromotedClassPanel::grabFocus() { |
| m_classNameEdit->setFocus(Qt::OtherFocusReason); |
| } |
| |
| void NewPromotedClassPanel::slotNameChanged(const QString &className) { |
| // Suggest a name |
| if (!className.isEmpty()) { |
| QString suggestedHeader = className.toLower().replace(QLatin1String("::"), QString(QLatin1Char('_'))); |
| suggestedHeader += QLatin1String(".h"); |
| |
| const bool blocked = m_includeFileEdit->blockSignals(true); |
| m_includeFileEdit->setText(suggestedHeader); |
| m_includeFileEdit->blockSignals(blocked); |
| } |
| enableButtons(); |
| } |
| |
| void NewPromotedClassPanel::slotIncludeFileChanged(const QString &){ |
| enableButtons(); |
| } |
| |
| void NewPromotedClassPanel::enableButtons() { |
| const bool enabled = !m_classNameEdit->text().isEmpty() && !m_includeFileEdit->text().isEmpty(); |
| m_addButton->setEnabled(enabled); |
| m_addButton->setDefault(enabled); |
| } |
| |
| PromotionParameters NewPromotedClassPanel::promotionParameters() const { |
| PromotionParameters rc; |
| rc.m_baseClass = m_baseClassCombo->currentText(); |
| rc.m_className = m_classNameEdit->text(); |
| rc.m_includeFile = buildIncludeFile(m_includeFileEdit->text(), |
| m_globalIncludeCheckBox->checkState() == Qt::Checked ? IncludeGlobal : IncludeLocal); |
| return rc; |
| } |
| |
| void NewPromotedClassPanel::chooseBaseClass(const QString &baseClass) { |
| const int index = m_baseClassCombo->findText (baseClass); |
| if (index != -1) |
| m_baseClassCombo->setCurrentIndex (index); |
| } |
| |
| // --------------- QDesignerPromotionDialog |
| QDesignerPromotionDialog::QDesignerPromotionDialog(QDesignerFormEditorInterface *core, |
| QWidget *parent, |
| const QString &promotableWidgetClassName, |
| QString *promoteTo) : |
| QDialog(parent), |
| m_mode(promotableWidgetClassName.isEmpty() || promoteTo == 0 ? ModeEdit : ModeEditChooseClass), |
| m_promotableWidgetClassName(promotableWidgetClassName), |
| m_core(core), |
| m_promoteTo(promoteTo), |
| m_promotion(core->promotion()), |
| m_model(new PromotionModel(core)), |
| m_treeView(new QTreeView), |
| m_buttonBox(0), |
| m_removeButton(new QPushButton(createIconSet(QString::fromUtf8("minus.png")), QString())) |
| { |
| m_buttonBox = createButtonBox(); |
| setModal(true); |
| setWindowTitle(tr("Promoted Widgets")); |
| setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint); |
| |
| QVBoxLayout *vboxLayout = new QVBoxLayout(this); |
| |
| // tree view group |
| QGroupBox *treeViewGroup = new QGroupBox(); |
| treeViewGroup->setTitle(tr("Promoted Classes")); |
| QVBoxLayout *treeViewVBoxLayout = new QVBoxLayout(treeViewGroup); |
| // tree view |
| m_treeView->setModel (m_model); |
| m_treeView->setMinimumWidth(450); |
| m_treeView->setContextMenuPolicy(Qt::CustomContextMenu); |
| |
| connect(m_treeView->selectionModel(), SIGNAL(selectionChanged(QItemSelection,QItemSelection)), |
| this, SLOT(slotSelectionChanged(QItemSelection,QItemSelection))); |
| |
| connect(m_treeView, SIGNAL(customContextMenuRequested(QPoint)), |
| this, SLOT(slotTreeViewContextMenu(QPoint))); |
| |
| QHeaderView *headerView = m_treeView->header(); |
| headerView->setResizeMode(QHeaderView::ResizeToContents); |
| treeViewVBoxLayout->addWidget(m_treeView); |
| // remove button |
| QHBoxLayout *hboxLayout = new QHBoxLayout(); |
| hboxLayout->addItem(new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Ignored)); |
| |
| m_removeButton->setAutoDefault(false); |
| connect(m_removeButton, SIGNAL(clicked()), this, SLOT(slotRemove())); |
| m_removeButton->setEnabled(false); |
| hboxLayout->addWidget(m_removeButton); |
| treeViewVBoxLayout->addLayout(hboxLayout); |
| vboxLayout->addWidget(treeViewGroup); |
| // Create new panel: Try to be smart and preselect a base class. Default to QFrame |
| const QStringList &baseClassNameList = baseClassNames(m_promotion); |
| int preselectedBaseClass = -1; |
| if (m_mode == ModeEditChooseClass) { |
| preselectedBaseClass = baseClassNameList.indexOf(m_promotableWidgetClassName); |
| } |
| if (preselectedBaseClass == -1) |
| preselectedBaseClass = baseClassNameList.indexOf(QLatin1String("QFrame")); |
| |
| NewPromotedClassPanel *newPromotedClassPanel = new NewPromotedClassPanel(baseClassNameList, preselectedBaseClass); |
| connect(newPromotedClassPanel, SIGNAL(newPromotedClass(PromotionParameters,bool*)), this, SLOT(slotNewPromotedClass(PromotionParameters,bool*))); |
| connect(this, SIGNAL(selectedBaseClassChanged(QString)), |
| newPromotedClassPanel, SLOT(chooseBaseClass(QString))); |
| vboxLayout->addWidget(newPromotedClassPanel); |
| // button box |
| vboxLayout->addWidget(m_buttonBox); |
| // connect model |
| connect(m_model, SIGNAL(includeFileChanged(QDesignerWidgetDataBaseItemInterface*,QString)), |
| this, SLOT(slotIncludeFileChanged(QDesignerWidgetDataBaseItemInterface*,QString))); |
| |
| connect(m_model, SIGNAL(classNameChanged(QDesignerWidgetDataBaseItemInterface*,QString)), |
| this, SLOT(slotClassNameChanged(QDesignerWidgetDataBaseItemInterface*,QString))); |
| |
| // focus |
| if (m_mode == ModeEditChooseClass) |
| newPromotedClassPanel->grabFocus(); |
| |
| slotUpdateFromWidgetDatabase(); |
| } |
| |
| QDialogButtonBox *QDesignerPromotionDialog::createButtonBox() { |
| QDialogButtonBox *buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok|QDialogButtonBox::Close); |
| |
| connect(buttonBox , SIGNAL(accepted()), this, SLOT(slotAcceptPromoteTo())); |
| buttonBox->button(QDialogButtonBox::Ok)->setText(tr("Promote")); |
| buttonBox->button(QDialogButtonBox::Ok)->setEnabled(false); |
| |
| connect(buttonBox , SIGNAL(rejected()), this, SLOT(reject())); |
| return buttonBox; |
| } |
| |
| void QDesignerPromotionDialog::slotUpdateFromWidgetDatabase() { |
| m_model->updateFromWidgetDatabase(); |
| m_treeView->expandAll(); |
| m_removeButton->setEnabled(false); |
| } |
| |
| void QDesignerPromotionDialog::delayedUpdateFromWidgetDatabase() { |
| QTimer::singleShot(0, this, SLOT(slotUpdateFromWidgetDatabase())); |
| } |
| |
| const QStringList &QDesignerPromotionDialog::baseClassNames(const QDesignerPromotionInterface *promotion) { |
| typedef QList<QDesignerWidgetDataBaseItemInterface *> WidgetDataBaseItemList; |
| static QStringList rc; |
| if (rc.empty()) { |
| // Convert the item list into a string list. |
| const WidgetDataBaseItemList dbItems = promotion->promotionBaseClasses(); |
| const WidgetDataBaseItemList::const_iterator cend = dbItems.constEnd(); |
| for (WidgetDataBaseItemList::const_iterator it = dbItems.constBegin() ; it != cend; ++it) { |
| rc.push_back( (*it)->name()); |
| } |
| } |
| return rc; |
| } |
| |
| void QDesignerPromotionDialog::slotAcceptPromoteTo() { |
| Q_ASSERT(m_mode == ModeEditChooseClass); |
| unsigned flags; |
| // Ok pressed: Promote to selected class |
| if (QDesignerWidgetDataBaseItemInterface *dbItem = databaseItemAt(m_treeView->selectionModel()->selection(), flags)) { |
| if (flags & CanPromote) { |
| *m_promoteTo = dbItem ->name(); |
| accept(); |
| } |
| } |
| } |
| |
| void QDesignerPromotionDialog::slotRemove() { |
| unsigned flags; |
| QDesignerWidgetDataBaseItemInterface *dbItem = databaseItemAt(m_treeView->selectionModel()->selection(), flags); |
| if (!dbItem || (flags & Referenced)) |
| return; |
| |
| QString errorMessage; |
| if (m_promotion->removePromotedClass(dbItem->name(), &errorMessage)) { |
| slotUpdateFromWidgetDatabase(); |
| } else { |
| displayError(errorMessage); |
| } |
| } |
| |
| void QDesignerPromotionDialog::slotSelectionChanged(const QItemSelection &selected, const QItemSelection &) { |
| // Enable deleting non-referenced items |
| unsigned flags; |
| const QDesignerWidgetDataBaseItemInterface *dbItem = databaseItemAt(selected, flags); |
| m_removeButton->setEnabled(dbItem && !(flags & Referenced)); |
| // In choose mode, can we promote to the class? |
| if (m_mode == ModeEditChooseClass) { |
| const bool enablePromoted = flags & CanPromote; |
| m_buttonBox->button(QDialogButtonBox::Ok)->setEnabled(enablePromoted); |
| m_buttonBox->button(QDialogButtonBox::Ok)->setDefault(enablePromoted); |
| } |
| // different base? |
| if (dbItem) { |
| const QString baseClass = dbItem->extends(); |
| if (baseClass != m_lastSelectedBaseClass) { |
| m_lastSelectedBaseClass = baseClass; |
| emit selectedBaseClassChanged(m_lastSelectedBaseClass); |
| } |
| } |
| } |
| |
| QDesignerWidgetDataBaseItemInterface *QDesignerPromotionDialog::databaseItemAt(const QItemSelection &selected, unsigned &flags) const { |
| flags = 0; |
| const QModelIndexList indexes = selected.indexes(); |
| if (indexes.empty()) |
| return 0; |
| |
| bool referenced; |
| QDesignerWidgetDataBaseItemInterface *dbItem = m_model->databaseItemAt(indexes.front(), &referenced); |
| |
| if (dbItem) { |
| if (referenced) |
| flags |= Referenced; |
| // In choose mode, can we promote to the class? |
| if (m_mode == ModeEditChooseClass && dbItem && dbItem->isPromoted() && dbItem->extends() == m_promotableWidgetClassName) |
| flags |= CanPromote; |
| |
| } |
| return dbItem; |
| } |
| |
| void QDesignerPromotionDialog::slotNewPromotedClass(const PromotionParameters &p, bool *ok) { |
| QString errorMessage; |
| *ok = m_promotion->addPromotedClass(p.m_baseClass, p.m_className, p.m_includeFile, &errorMessage); |
| if (*ok) { |
| // update and select |
| slotUpdateFromWidgetDatabase(); |
| const QModelIndex newClassIndex = m_model->indexOfClass(p.m_className); |
| if (newClassIndex.isValid()) { |
| m_treeView->selectionModel()->select(newClassIndex, QItemSelectionModel::SelectCurrent|QItemSelectionModel::Rows); |
| } |
| } else { |
| displayError(errorMessage); |
| } |
| } |
| |
| void QDesignerPromotionDialog::slotIncludeFileChanged(QDesignerWidgetDataBaseItemInterface *dbItem, const QString &includeFile) { |
| if (includeFile.isEmpty()) { |
| delayedUpdateFromWidgetDatabase(); |
| return; |
| } |
| |
| if (dbItem->includeFile() == includeFile) |
| return; |
| |
| QString errorMessage; |
| if (!m_promotion->setPromotedClassIncludeFile(dbItem->name(), includeFile, &errorMessage)) { |
| displayError(errorMessage); |
| delayedUpdateFromWidgetDatabase(); |
| } |
| } |
| |
| void QDesignerPromotionDialog::slotClassNameChanged(QDesignerWidgetDataBaseItemInterface *dbItem, const QString &newName) { |
| if (newName.isEmpty()) { |
| delayedUpdateFromWidgetDatabase(); |
| return; |
| } |
| const QString oldName = dbItem->name(); |
| if (newName == oldName) |
| return; |
| |
| QString errorMessage; |
| if (!m_promotion->changePromotedClassName(oldName , newName, &errorMessage)) { |
| displayError(errorMessage); |
| delayedUpdateFromWidgetDatabase(); |
| } |
| } |
| |
| void QDesignerPromotionDialog::slotTreeViewContextMenu(const QPoint &pos) { |
| unsigned flags; |
| const QDesignerWidgetDataBaseItemInterface *dbItem = databaseItemAt(m_treeView->selectionModel()->selection(), flags); |
| if (!dbItem) |
| return; |
| |
| QMenu menu; |
| QAction *signalSlotAction = menu.addAction(tr("Change signals/slots...")); |
| connect(signalSlotAction, SIGNAL(triggered()), this, SLOT(slotEditSignalsSlots())); |
| |
| menu.exec(m_treeView->viewport()->mapToGlobal(pos)); |
| } |
| |
| void QDesignerPromotionDialog::slotEditSignalsSlots() { |
| unsigned flags; |
| const QDesignerWidgetDataBaseItemInterface *dbItem = databaseItemAt(m_treeView->selectionModel()->selection(), flags); |
| if (!dbItem) |
| return; |
| |
| SignalSlotDialog::editPromotedClass(m_core, dbItem->name(), this); |
| } |
| |
| void QDesignerPromotionDialog::displayError(const QString &message) { |
| m_core->dialogGui()->message(this, QDesignerDialogGuiInterface::PromotionErrorMessage, QMessageBox::Warning, |
| tr("%1 - Error").arg(windowTitle()), message, QMessageBox::Close); |
| } |
| } // namespace qdesigner_internal |
| |
| QT_END_NAMESPACE |