QmlDesigner: Integrate Editor into Connections

Task-number: QDS-10530
Change-Id: I579c5e5d55b2136b96e32a448315dda8e720f2fb
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
Reviewed-by: Qt CI Patch Build Bot <ci_patchbuild_bot@qt.io>

share/qtcreator/qmldesigner/connectionseditor/ConnectionsDialogForm.qml

@@ -204,7 +204,48 @@ Column {
             style: StudioTheme.Values.viewBarButtonStyle
             buttonIcon: StudioTheme.Constants.edit_medium
             tooltip: qsTr("Add something.")
-            onClicked: console.log("OPEN EDITOR")
+            onClicked: {
+                expressionDialogLoader.show()
+            }
+        }
+
+        Loader {
+            id: expressionDialogLoader
+            parent: editor
+            anchors.fill: parent
+            visible: false
+            active: visible
+
+            function show() {
+                expressionDialogLoader.visible = true
+            }
+
+            sourceComponent: Item {
+                id: bindingEditorParent
+
+                Component.onCompleted: {
+                    bindingEditor.showWidget()
+                    bindingEditor.text = backend.source
+                    bindingEditor.showControls(false)
+                    bindingEditor.setMultilne(true)
+                    bindingEditor.updateWindowName()
+                }
+
+                ActionEditor {
+                    id: bindingEditor
+
+                    onRejected: {
+                        hideWidget()
+                        expressionDialogLoader.visible = false
+                    }
+
+                    onAccepted: {
+                        backend.setNewSource(bindingEditor.text)
+                        hideWidget()
+                        expressionDialogLoader.visible = false
+                    }
+                }
+            }
         }
     }
 }

src/plugins/qmldesigner/components/bindingeditor/abstracteditordialog.cpp

@@ -71,7 +71,7 @@ QString AbstractEditorDialog::editorValue() const
 void AbstractEditorDialog::setEditorValue(const QString &text)
 {
     if (m_editorWidget)
-        m_editorWidget->document()->setPlainText(text);
+        m_editorWidget->setEditorTextWithIndentation(text);
 }
 
 void AbstractEditorDialog::unregisterAutoCompletion()

src/plugins/qmldesigner/components/bindingeditor/actioneditor.cpp

@@ -83,6 +83,18 @@ void ActionEditor::hideWidget()
     }
 }
 
+void ActionEditor::showControls(bool show)
+{
+    if (m_dialog)
+        m_dialog->showControls(show);
+}
+
+void QmlDesigner::ActionEditor::setMultilne(bool multiline)
+{
+    if (m_dialog)
+        m_dialog->setMultiline(multiline);
+}
+
 QString ActionEditor::connectionValue() const
 {
     if (!m_dialog)

src/plugins/qmldesigner/components/bindingeditor/actioneditor.h

@@ -31,6 +31,9 @@ public:
     Q_INVOKABLE void showWidget(int x, int y);
     Q_INVOKABLE void hideWidget();
 
+    Q_INVOKABLE void showControls(bool show);
+    Q_INVOKABLE void setMultilne(bool multiline);
+
     QString connectionValue() const;
     void setConnectionValue(const QString &text);
 

src/plugins/qmldesigner/components/bindingeditor/actioneditordialog.cpp

@@ -376,6 +376,37 @@ void ActionEditorDialog::updateComboBoxes([[maybe_unused]] int index, ComboBox t
     }
 }
 
+void ActionEditorDialog::showControls(bool show)
+{
+    if (m_comboBoxType)
+        m_comboBoxType->setVisible(show);
+
+    if (m_actionPlaceholder)
+        m_actionPlaceholder->setVisible(show);
+    if (m_assignmentPlaceholder)
+        m_assignmentPlaceholder->setVisible(show);
+
+    if (m_actionTargetItem)
+        m_actionTargetItem->setVisible(show);
+    if (m_actionMethod)
+        m_actionMethod->setVisible(show);
+
+    if (m_assignmentTargetItem)
+        m_assignmentTargetItem->setVisible(show);
+    if (m_assignmentTargetProperty)
+        m_assignmentTargetProperty->setVisible(show);
+    if (m_assignmentSourceItem)
+        m_assignmentSourceItem->setVisible(show);
+    if (m_assignmentSourceProperty)
+        m_assignmentSourceProperty->setVisible(show);
+}
+
+void ActionEditorDialog::setMultiline(bool multiline)
+{
+    if (m_editorWidget)
+        m_editorWidget->m_isMultiline = multiline;
+}
+
 void ActionEditorDialog::setupUIComponents()
 {
     m_comboBoxType = new QComboBox(this);

src/plugins/qmldesigner/components/bindingeditor/actioneditordialog.h

@@ -96,6 +96,9 @@ public:
 
     void updateComboBoxes(int idx, ComboBox type);
 
+    void showControls(bool show);
+    void setMultiline(bool multiline);
+
 private:
     void setupUIComponents();
 

src/plugins/qmldesigner/components/bindingeditor/bindingeditorwidget.cpp

@@ -6,6 +6,7 @@
 #include <coreplugin/actionmanager/actionmanager.h>
 #include <coreplugin/coreplugintr.h>
 #include <coreplugin/icore.h>
+#include <plaintexteditmodifier.h>
 #include <qmljseditor/qmljsautocompleter.h>
 #include <qmljseditor/qmljscompletionassist.h>
 #include <qmljseditor/qmljseditor.h>
@@ -46,7 +47,7 @@ BindingEditorWidget::BindingEditorWidget()
                                        ? tr("Meta+Space")
                                        : tr("Ctrl+Space")));
 
-    connect(m_completionAction, &QAction::triggered, [this]() {
+    connect(m_completionAction, &QAction::triggered, this, [this]() {
         invokeAssist(TextEditor::Completion);
     });
 }
@@ -68,8 +69,17 @@ void BindingEditorWidget::unregisterAutoCompletion()
 bool BindingEditorWidget::event(QEvent *event)
 {
     if (event->type() == QEvent::KeyPress) {
-        QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
-        if ((keyEvent->key() == Qt::Key_Return || keyEvent->key() == Qt::Key_Enter) && !keyEvent->modifiers()) {
+        const QKeyEvent *keyEvent = static_cast<QKeyEvent *>(event);
+        const bool returnPressed = (keyEvent->key() == Qt::Key_Return)
+                                   || (keyEvent->key() == Qt::Key_Enter);
+        const Qt::KeyboardModifiers mods = keyEvent->modifiers();
+        constexpr Qt::KeyboardModifier submitModifier = Qt::ControlModifier;
+        const bool submitModed = mods.testFlag(submitModifier);
+
+        if (!m_isMultiline && (returnPressed && !mods)) {
+            emit returnKeyClicked();
+            return true;
+        } else if (m_isMultiline && (returnPressed && submitModed)) {
             emit returnKeyClicked();
             return true;
         }
@@ -81,8 +91,22 @@ std::unique_ptr<TextEditor::AssistInterface> BindingEditorWidget::createAssistIn
     [[maybe_unused]] TextEditor::AssistKind assistKind, TextEditor::AssistReason assistReason) const
 {
     return std::make_unique<QmlJSEditor::QmlJSCompletionAssistInterface>(
-                textCursor(), Utils::FilePath(),
-                assistReason, qmljsdocument->semanticInfo());
+        textCursor(), Utils::FilePath(), assistReason, qmljsdocument->semanticInfo());
+}
+
+void BindingEditorWidget::setEditorTextWithIndentation(const QString &text)
+{
+    auto *doc = document();
+    doc->setPlainText(text);
+
+    //we don't need to indent an empty text
+    //but is also needed for safer text.length()-1 below
+    if (text.isEmpty())
+        return;
+
+    auto modifier = std::make_unique<IndentingTextEditModifier>(
+        doc, QTextCursor{doc});
+    modifier->indent(0, text.length()-1);
 }
 
 BindingDocument::BindingDocument()

src/plugins/qmldesigner/components/bindingeditor/bindingeditorwidget.h

@@ -32,6 +32,8 @@ public:
     std::unique_ptr<TextEditor::AssistInterface> createAssistInterface(
         TextEditor::AssistKind assistKind, TextEditor::AssistReason assistReason) const override;
 
+    void setEditorTextWithIndentation(const QString &text);
+
 signals:
     void returnKeyClicked();
 
@@ -39,6 +41,7 @@ public:
     QmlJSEditor::QmlJSEditorDocument *qmljsdocument = nullptr;
     Core::IContext *m_context = nullptr;
     QAction *m_completionAction = nullptr;
+    bool m_isMultiline = false;
 };
 
 class BindingDocument : public QmlJSEditor::QmlJSEditorDocument

src/plugins/qmldesigner/components/connectioneditor/connectionmodel.cpp

@@ -758,6 +758,14 @@ void ConnectionModelBackendDelegate::removeElse()
     setupHandlerAndStatements();
 }
 
+void ConnectionModelBackendDelegate::setNewSource(const QString &newSource)
+{
+    setSource(newSource);
+    commitNewSource(newSource);
+    setupHandlerAndStatements();
+    setupCondition();
+}
+
 int ConnectionModelBackendDelegate::currentRow() const
 {
     return m_currentRow;

src/plugins/qmldesigner/components/connectioneditor/connectionmodel.h

@@ -284,6 +284,8 @@ public:
     Q_INVOKABLE void addElse();
     Q_INVOKABLE void removeElse();
 
+    Q_INVOKABLE void setNewSource(const QString &newSource);
+
     void setCurrentRow(int i);
     void update();