| /**************************************************************************** |
| ** |
| ** 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_widgetbox_p.h" |
| #include "qdesigner_utils_p.h" |
| |
| #include <ui4_p.h> |
| |
| #include <QtCore/QRegExp> |
| #include <QtCore/QDebug> |
| #include <QtCore/QXmlStreamReader> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace qdesigner_internal { |
| QDesignerWidgetBox::QDesignerWidgetBox(QWidget *parent, Qt::WindowFlags flags) |
| : QDesignerWidgetBoxInterface(parent, flags), |
| m_loadMode(LoadMerge) |
| { |
| |
| } |
| |
| QDesignerWidgetBox::LoadMode QDesignerWidgetBox::loadMode() const |
| { |
| return m_loadMode; |
| } |
| |
| void QDesignerWidgetBox::setLoadMode(LoadMode lm) |
| { |
| m_loadMode = lm; |
| } |
| |
| // Convenience to find a widget by class name |
| bool QDesignerWidgetBox::findWidget(const QDesignerWidgetBoxInterface *wbox, |
| const QString &className, |
| const QString &category, |
| Widget *widgetData) |
| { |
| // Note that entry names do not necessarily match the class name |
| // (at least, not for the standard widgets), so, |
| // look in the XML for the class name of the first widget to appear |
| const QString widgetTag = QLatin1String("<widget"); |
| QString pattern = QLatin1String("^<widget\\s+class\\s*=\\s*\""); |
| pattern += className; |
| pattern += QLatin1String("\".*$"); |
| const QRegExp regexp(pattern); |
| Q_ASSERT(regexp.isValid()); |
| const int catCount = wbox->categoryCount(); |
| for (int c = 0; c < catCount; c++) { |
| const Category cat = wbox->category(c); |
| if (category.isEmpty() || cat.name() == category) { |
| const int widgetCount = cat.widgetCount(); |
| for (int w = 0; w < widgetCount; w++) { |
| const Widget widget = cat.widget(w); |
| QString xml = widget.domXml(); // Erase the <ui> tag that can be present starting from 4.4 |
| const int widgetTagIndex = xml.indexOf(widgetTag); |
| if (widgetTagIndex != -1) { |
| xml.remove(0, widgetTagIndex); |
| if (regexp.exactMatch(xml)) { |
| *widgetData = widget; |
| return true; |
| } |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| // Convenience to create a Dom Widget from widget box xml code. |
| DomUI *QDesignerWidgetBox::xmlToUi(const QString &name, const QString &xml, bool insertFakeTopLevel, |
| QString *errorMessage) |
| { |
| QXmlStreamReader reader(xml); |
| DomUI *ui = 0; |
| |
| // The xml description must either contain a root element "ui" with a child element "widget" |
| // or "widget" as the root element (4.3 legacy) |
| const QString widgetTag = QLatin1String("widget"); |
| |
| while (!reader.atEnd()) { |
| if (reader.readNext() == QXmlStreamReader::StartElement) { |
| const QStringRef name = reader.name(); |
| if (ui) { |
| reader.raiseError(tr("Unexpected element <%1>").arg(name.toString())); |
| continue; |
| } |
| |
| if (name.compare(QLatin1String("widget"), Qt::CaseInsensitive) == 0) { // 4.3 legacy, wrap into DomUI |
| ui = new DomUI; |
| DomWidget *widget = new DomWidget; |
| widget->read(reader); |
| ui->setElementWidget(widget); |
| } else if (name.compare(QLatin1String("ui"), Qt::CaseInsensitive) == 0) { // 4.4 |
| ui = new DomUI; |
| ui->read(reader); |
| } else { |
| reader.raiseError(tr("Unexpected element <%1>").arg(name.toString())); |
| } |
| } |
| } |
| |
| if (reader.hasError()) { |
| delete ui; |
| *errorMessage = tr("A parse error occurred at line %1, column %2 of the XML code " |
| "specified for the widget %3: %4\n%5") |
| .arg(reader.lineNumber()).arg(reader.columnNumber()).arg(name) |
| .arg(reader.errorString()).arg(xml); |
| return 0; |
| } |
| |
| if (!ui || !ui->elementWidget()) { |
| delete ui; |
| *errorMessage = tr("The XML code specified for the widget %1 does not contain " |
| "any widget elements.\n%2").arg(name).arg(xml); |
| return 0; |
| } |
| |
| if (insertFakeTopLevel) { |
| DomWidget *fakeTopLevel = new DomWidget; |
| fakeTopLevel->setAttributeClass(QLatin1String("QWidget")); |
| QList<DomWidget *> children; |
| children.push_back(ui->takeElementWidget()); |
| fakeTopLevel->setElementWidget(children); |
| ui->setElementWidget(fakeTopLevel); |
| } |
| |
| return ui; |
| } |
| |
| // Convenience to create a Dom Widget from widget box xml code. |
| DomUI *QDesignerWidgetBox::xmlToUi(const QString &name, const QString &xml, bool insertFakeTopLevel) |
| { |
| QString errorMessage; |
| DomUI *rc = xmlToUi(name, xml, insertFakeTopLevel, &errorMessage); |
| if (!rc) |
| qdesigner_internal::designerWarning(errorMessage); |
| return rc; |
| } |
| |
| } // namespace qdesigner_internal |
| |
| QT_END_NAMESPACE |