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/*************************************************************************************
* Copyright (C) 2013 by Sven Brauch <svenbrauch@gmail.com> *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA *
*************************************************************************************/
#include "propertypreviewwidget.h"
#include <QQuickWidget>
#include <QQuickItem>
#include <QLayout>
#include <QLabel>
#include <QDir>
#include <QStandardPaths>
#include <KLocalizedString>
#include <KTextEditor/Document>
#include <KTextEditor/View>
#include <KDeclarative/KDeclarative>
#include <language/duchain/ducontext.h>
#include <language/duchain/duchainlock.h>
// List of supported properties. The string must be the name of the property,
// which can contain dots if necessary
QHash<QString, SupportedProperty> PropertyPreviewWidget::supportedProperties;
QWidget* PropertyPreviewWidget::constructIfPossible(KTextEditor::Document* doc,
KTextEditor::Range keyRange,
KTextEditor::Range valueRange,
Declaration* decl,
const QString& key,
const QString& value)
{
#define PROP(key, filename, type, class) \
supportedProperties.insertMulti(key, SupportedProperty(QUrl(base + filename), type, class));
if ( supportedProperties.isEmpty() ) {
QString base = QStandardPaths::locate(
QStandardPaths::GenericDataLocation,
QLatin1String("kdevqmljssupport/propertywidgets"),
QStandardPaths::LocateDirectory
) + '/';
// Positioning
PROP("width", "Width.qml", QString(), QString())
PROP("height", "Height.qml", QString(), QString())
PROP("spacing", "Spacing.qml", QString(), QString())
// Margins
PROP("margins", "Spacing.qml", QString(), "QQuickAnchors"); // matches anchors.margins and anchors { margins: }
PROP("margins", "Spacing.qml", QString(), "QDeclarativeAnchors");
PROP("leftMargin", "Spacing.qml", QString(), "QQuickAnchors");
PROP("leftMargin", "Spacing.qml", QString(), "QDeclarativeAnchors");
PROP("rightMargin", "Spacing.qml", QString(), "QQuickAnchors");
PROP("rightMargin", "Spacing.qml", QString(), "QDeclarativeAnchors");
PROP("topMargin", "Spacing.qml", QString(), "QQuickAnchors");
PROP("topMargin", "Spacing.qml", QString(), "QDeclarativeAnchors");
PROP("bottomMargin", "Spacing.qml", QString(), "QQuickAnchors");
PROP("bottomMargin", "Spacing.qml", QString(), "QDeclarativeAnchors");
// Animations
PROP("duration", "Duration.qml", QString(), QString())
// Font QDeclarativeFontValueType, QQuickFontValueType
PROP("family", "FontFamily.qml", QString(), "QDeclarativeFontValueType")
PROP("family", "FontFamily.qml", QString(), "QQuickFontValueType")
PROP("pointSize", "FontSize.qml", QString(), "QDeclarativeFontValueType")
PROP("pointSize", "FontSize.qml", QString(), "QQuickFontValueType")
// Appearance
PROP("opacity", "Opacity.qml", QString(), QString())
// Type-dependend widgets
PROP(QString(), "ColorPicker.qml", "color", QString())
}
#undef PROP
QList<SupportedProperty> properties;
properties << supportedProperties.values(key.section(QLatin1Char('.'), -1, -1));
properties << supportedProperties.values(QString());
// Explore each possible supported property and return the first supported widget
DUChainReadLocker lock;
for (const SupportedProperty& property : properties) {
if (!decl || !decl->abstractType() || !decl->context() || !decl->context()->owner()) {
continue;
}
if (!decl->abstractType()->toString().contains(property.typeContains)) {
continue;
}
if (!decl->context()->owner()->toString().contains(property.classContains)) {
continue;
}
return new PropertyPreviewWidget(doc, keyRange, valueRange, property, value);
}
return nullptr;
}
void PropertyPreviewWidget::updateValue()
{
QString newValue = view->rootObject()->property("value").toString();
// set the cursor to the edited range, otherwise the view will jump if we call doc->endEditing()
//document->activeView()->setCursorPosition(KTextEditor::Cursor(valueRange.start.line, valueRange.start.column));
if (valueRange.end().column() - valueRange.start().column() == newValue.size()) {
document->replaceText(valueRange, newValue);
}
else {
// the length of the text changed so don't replace it but remove the old
// and insert the new text.
KTextEditor::Document::EditingTransaction transaction(document);
document->removeText(valueRange);
document->insertText(valueRange.start(), newValue);
valueRange.setRange(
valueRange.start(),
KTextEditor::Cursor(valueRange.start().line(), valueRange.start().column() + newValue.size())
);
}
}
PropertyPreviewWidget::~PropertyPreviewWidget()
{
}
PropertyPreviewWidget::PropertyPreviewWidget(KTextEditor::Document* doc, KTextEditor::Range keyRange, KTextEditor::Range valueRange,
const SupportedProperty& property, const QString& value)
: QWidget()
, view(new QQuickWidget)
, document(doc)
, keyRange(keyRange)
, valueRange(valueRange)
, property(property)
{
//setup kdeclarative library
KDeclarative::KDeclarative kdeclarative;
kdeclarative.setDeclarativeEngine(view->engine());
kdeclarative.setupBindings(); //binds things like kconfig and icons
// Configure layout
auto l = new QHBoxLayout;
l->setContentsMargins(0, 0, 0, 0);
setLayout(l);
// see docstring for ILanguageSupport::specialLanguageObjectNavigationWidget
setProperty("DoNotCloseOnCursorMove", true);
view->setSource(property.qmlfile);
if (!view->rootObject()) {
// don't crash because of a syntax error or missing QML file
l->addWidget(new QLabel(i18n("Error loading QML file: %1", property.qmlfile.path())));
delete view;
return;
}
// set the initial value read from the document
view->rootObject()->setProperty("initialValue", value);
// connect to the slot which has to be emitted from QML when the value changes
QObject::connect(view->rootObject(), SIGNAL(valueChanged()),
this, SLOT(updateValue()));
l->addWidget(view);
}
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