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/*
SPDX-FileCopyrightText: 2013 Sven Brauch <svenbrauch@gmail.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "propertypreviewwidget.h"
#include <QQuickWidget>
#include <QQuickItem>
#include <QQmlContext>
#include <QHBoxLayout>
#include <QLabel>
#include <QStandardPaths>
#include <KLocalizedString>
#include <KLocalizedContext>
#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
QMultiHash<QString, SupportedProperty> PropertyPreviewWidget::supportedProperties;
QWidget* PropertyPreviewWidget::constructIfPossible(KTextEditor::Document* doc,
const KTextEditor::Range& keyRange,
const KTextEditor::Range& valueRange,
Declaration* decl,
const QString& key,
const QString& value)
{
#define PROP(key, filename, type, class) \
supportedProperties.insert(key, SupportedProperty(QUrl(base + filename), type, class));
if ( supportedProperties.isEmpty() ) {
QString base = QStandardPaths::locate(
QStandardPaths::GenericDataLocation,
QStringLiteral("kdevqmljssupport/propertywidgets"),
QStandardPaths::LocateDirectory
) + QLatin1Char('/');
// Positioning
PROP(QStringLiteral("width"), QLatin1String("Width.qml"), QString(), QString())
PROP(QStringLiteral("height"), QLatin1String("Height.qml"), QString(), QString())
PROP(QStringLiteral("spacing"), QLatin1String("Spacing.qml"), QString(), QString())
// Margins
PROP(QStringLiteral("margins"), QLatin1String("Spacing.qml"), QString(), QStringLiteral("QQuickAnchors")); // matches anchors.margins and anchors { margins: }
PROP(QStringLiteral("margins"), QLatin1String("Spacing.qml"), QString(), QStringLiteral("QDeclarativeAnchors"));
PROP(QStringLiteral("leftMargin"), QLatin1String("Spacing.qml"), QString(), QStringLiteral("QQuickAnchors"));
PROP(QStringLiteral("leftMargin"), QLatin1String("Spacing.qml"), QString(), QStringLiteral("QDeclarativeAnchors"));
PROP(QStringLiteral("rightMargin"), QLatin1String("Spacing.qml"), QString(), QStringLiteral("QQuickAnchors"));
PROP(QStringLiteral("rightMargin"), QLatin1String("Spacing.qml"), QString(), QStringLiteral("QDeclarativeAnchors"));
PROP(QStringLiteral("topMargin"), QLatin1String("Spacing.qml"), QString(), QStringLiteral("QQuickAnchors"));
PROP(QStringLiteral("topMargin"), QLatin1String("Spacing.qml"), QString(), QStringLiteral("QDeclarativeAnchors"));
PROP(QStringLiteral("bottomMargin"), QLatin1String("Spacing.qml"), QString(), QStringLiteral("QQuickAnchors"));
PROP(QStringLiteral("bottomMargin"), QLatin1String("Spacing.qml"), QString(), QStringLiteral("QDeclarativeAnchors"));
// Animations
PROP(QStringLiteral("duration"), QLatin1String("Duration.qml"), QString(), QString())
// Font QDeclarativeFontValueType, QQuickFontValueType
PROP(QStringLiteral("family"), QLatin1String("FontFamily.qml"), QString(), QStringLiteral("QDeclarativeFontValueType"))
PROP(QStringLiteral("family"), QLatin1String("FontFamily.qml"), QString(), QStringLiteral("QQuickFontValueType"))
PROP(QStringLiteral("pointSize"), QLatin1String("FontSize.qml"), QString(), QStringLiteral("QDeclarativeFontValueType"))
PROP(QStringLiteral("pointSize"), QLatin1String("FontSize.qml"), QString(), QStringLiteral("QQuickFontValueType"))
// Appearance
PROP(QStringLiteral("opacity"), QLatin1String("Opacity.qml"), QString(), QString())
// Type-dependent widgets
PROP(QString(), QLatin1String("ColorPicker.qml"), QStringLiteral("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 : std::as_const(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,
const KTextEditor::Range& keyRange, const 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::setupEngine(view->engine());
KLocalizedContext *localizedContextObject = new KLocalizedContext(view->engine());
localizedContextObject->setTranslationDomain(QStringLiteral("kdevqmljs"));
view->engine()->rootContext()->setContextObject(localizedContextObject);
// 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);
}
#include "moc_propertypreviewwidget.cpp"
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