PIVariantEdit, PIValueTreeEdit

libs/piqt_widgets/pivariant_edit.cpp

@@ -0,0 +1,90 @@
+#include "pivariant_edit.h"
+#include "piqt.h"
+#include <QEvent>
+
+
+PIVariantEditorBase * PIVariantEditorBase::createEditor(uint type_id) {
+	auto f = factories().value(type_id, nullptr);
+	if (!f) return nullptr;
+	auto ret = f();
+	ret->retranslate();
+	return ret;
+}
+
+
+void PIVariantEditorBase::createBoxLayout(QBoxLayout::Direction d) {
+	auto * l = new QBoxLayout(d);
+	l->setContentsMargins(0, 0, 0, 0);
+	setLayout(l);
+}
+
+
+void PIVariantEditorBase::changeEvent(QEvent * e) {
+	if (e->type() == QEvent::LanguageChange)
+		retranslate();
+	QWidget::changeEvent(e);
+}
+
+
+PIMap<uint, PIVariantEditorBase*(*)()> & PIVariantEditorBase::factories() {
+	static PIMap<uint, PIVariantEditorBase*(*)()> ret;
+	return ret;
+}
+
+
+
+
+PIVariantEdit::PIVariantEdit(QWidget * parent): QWidget(parent) {
+	label = new QLabel();
+	label->setAlignment(Qt::AlignCenter);
+	auto * l = new QBoxLayout(QBoxLayout::LeftToRight);
+	l->setContentsMargins(0, 0, 0, 0);
+	setLayout(l);
+	setValue(PIVariant());
+}
+
+
+PIVariantEdit::~PIVariantEdit() {
+	delete label;
+}
+
+
+void PIVariantEdit::setValue(const PIVariant & v, uint type_id) {
+	if (type_id == 0) type_id = v.typeID();
+	if (current_type_id != type_id || !editor) {
+		if (editor) delete editor;
+		current_type_id = type_id;
+		editor = PIVariantEditorBase::createEditor(current_type_id);
+		if (editor) {
+			editor->applyAttributes(_attributes);
+			layout()->removeWidget(label);
+			layout()->addWidget(editor);
+			label->hide();
+		} else {
+			label->setText(!v.isValid() ? tr("Invalid type") : tr("No editor for %1").arg(PI2QString(PIVariant::typeNameFromID(type_id))));
+			layout()->addWidget(label);
+			label->show();
+		}
+	}
+	if (!editor) return;
+	editor->setValue(v);
+}
+
+
+PIVariant PIVariantEdit::value() const {
+	if (!editor) return PIVariant();
+	return editor->value();
+}
+
+
+void PIVariantEdit::setAttributes(const PIVariantMap & a) {
+	_attributes = a;
+	if (!editor) return;
+	editor->applyAttributes(_attributes);
+}
+
+
+PIVariantMap PIVariantEdit::defaultAttributes() const {
+	if (!editor) return PIVariantMap();
+	return editor->defaultAttributes();
+}