--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/designer/src/lib/shared/qdesigner_widgetbox.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,181 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** 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 Technology Preview License Agreement accompanying
+** this package.
+**
+** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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