[463456] Add a dialog for a text area with content proposal.

Also add the method bindPluginsCompletionProcessors in
TypeContentProposalProvider (works similarly as bindCompletionProcessor,
but with the completion processors available in plugins).

Change-Id: If74ea6abd63d1b2da1b865836af287ccc50f8073
Signed-off-by: Benjamin Grouhan <benjamin.grouhan@obeo.fr>

4 files changed, 151 insertions, 0 deletions

diff --git a/plugins/org.eclipse.sirius.doc/doc/Release Notes.html b/plugins/org.eclipse.sirius.doc/doc/Release Notes.html
index a831280b96..a541b2a592 100644
--- a/plugins/org.eclipse.sirius.doc/doc/Release Notes.html
+++ b/plugins/org.eclipse.sirius.doc/doc/Release Notes.html
@@ -290,6 +290,15 @@
 				<code>org.eclipse.sirius.ecore.extender.IllegalURIException</code> has been removed. It was not actually thrown anywhere in the code.
 			</li>
 		</ul>
+		<h4 id="Changesinorg.eclipse.sirius.editor">Changes in 
+			<code>org.eclipse.sirius.editor</code>
+		</h4>
+		<ul>
+			<li>The static method 
+				<code>org.eclipse.sirius.editor.tools.api.assist.TypeContentProposalProvider.bindPluginsCompletionProcessors(AbstractPropertySection, Text)</code> has been added. This method is very similar to 
+				<code>org.eclipse.sirius.editor.tools.api.assist.TypeContentProposalProvider.bindCompletionProcessor(AbstractPropertySection, Text)</code>, the difference is that it binds the completion processors available in plugins to the text.
+			</li>
+		</ul>
 		<h4 id="Changesinorg.eclipse.sirius.table">Changes in 
 			<code>org.eclipse.sirius.table</code>
 		</h4>
diff --git a/plugins/org.eclipse.sirius.doc/doc/Release Notes.textile b/plugins/org.eclipse.sirius.doc/doc/Release Notes.textile
index 46665476fe..f272253e18 100644
--- a/plugins/org.eclipse.sirius.doc/doc/Release Notes.textile
+++ b/plugins/org.eclipse.sirius.doc/doc/Release Notes.textile
@@ -83,6 +83,10 @@ h4. Changes in @org.eclipse.sirius.ecore.extender@
 * The method @org.eclipse.sirius.ecore.extender.business.api.accessor.CompositeMetamodelExtender.eRemoveInverseCrossReferences()@ has been changed to return the list of changed objects by the inverse cross references removal.
 * The exception @org.eclipse.sirius.ecore.extender.IllegalURIException@ has been removed. It was not actually thrown anywhere in the code.
 
+h4. Changes in @org.eclipse.sirius.editor@
+
+* The static method @org.eclipse.sirius.editor.tools.api.assist.TypeContentProposalProvider.bindPluginsCompletionProcessors(AbstractPropertySection, Text)@ has been added. This method is very similar to @org.eclipse.sirius.editor.tools.api.assist.TypeContentProposalProvider.bindCompletionProcessor(AbstractPropertySection, Text)@, the difference is that it binds the completion processors available in plugins to the text.
+
 h4. Changes in @org.eclipse.sirius.table@
 
 * The methods @org.eclipse.sirius.table.business.api.helper.TableHelper.getColumn()@ have been removed because they are not useful, @TableHelper.getColumn(DLine, int)@ can be replaced by @DTable.getColumns().get(int)@ and @TableHelper.getColumn(DTable, String)@ should not be used as we can have several columns with a same featureName.
diff --git a/plugins/org.eclipse.sirius.editor/src/org/eclipse/sirius/editor/tools/api/assist/TypeContentProposalProvider.java b/plugins/org.eclipse.sirius.editor/src/org/eclipse/sirius/editor/tools/api/assist/TypeContentProposalProvider.java
index 5853660f7b..430908974a 100644
--- a/plugins/org.eclipse.sirius.editor/src/org/eclipse/sirius/editor/tools/api/assist/TypeContentProposalProvider.java
+++ b/plugins/org.eclipse.sirius.editor/src/org/eclipse/sirius/editor/tools/api/assist/TypeContentProposalProvider.java
@@ -21,10 +21,13 @@ import org.eclipse.jface.fieldassist.IContentProposal;
 import org.eclipse.jface.fieldassist.IContentProposalListener2;
 import org.eclipse.jface.fieldassist.IContentProposalProvider;
 import org.eclipse.jface.fieldassist.TextContentAdapter;
+import org.eclipse.sirius.common.tools.api.util.EclipseUtil;
 import org.eclipse.sirius.editor.editorPlugin.SiriusEditorPlugin;
 import org.eclipse.sirius.editor.properties.sections.common.ModelViewBinding;
 import org.eclipse.sirius.editor.tools.internal.assist.TypeAssistant;
 import org.eclipse.sirius.editor.tools.internal.assist.TypeContentProposal;
+import org.eclipse.sirius.ui.tools.api.assist.IAssistContentProvider;
+import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.keys.IBindingService;
@@ -104,6 +107,42 @@ public class TypeContentProposalProvider implements IContentProposalProvider {
         }
     }
 
+    /**
+     * Bind the completion processors available in plugins to a given text
+     * element.
+     * 
+     * @param section
+     *            the property section where the text element come from.
+     * @param text
+     *            text to bind a completion processors to.
+     */
+    public static void bindPluginsCompletionProcessors(final AbstractPropertySection section, final Text text) {
+        List<IAssistContentProvider> extension = EclipseUtil.getExtensionPlugins(IAssistContentProvider.class, IAssistContentProvider.ID, IAssistContentProvider.CLASS_ATTRIBUTE);
+        if (!(extension.size() == 0)) {
+            IAssistContentProvider contentProposalAdapter = extension.get(0);
+            contentProposalAdapter.setView(section);
+            IBindingService bindingService = (IBindingService) PlatformUI.getWorkbench().getService(IBindingService.class); // gives
+                                                                                                                            // the
+                                                                                                                            // user
+                                                                                                                            // content
+                                                                                                                            // assist
+                                                                                                                            // binding
+            TriggerSequence[] activeBindinds = bindingService.getActiveBindingsFor(ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS);
+            if (activeBindinds != null && activeBindinds.length > 0) {
+                TriggerSequence sequence = activeBindinds[0];
+                KeyStroke keyStroke = getKeyStroke(sequence);
+
+                TextContentAdapter textContentAdapter = new TextContentAdapter();
+                ContentProposalAdapter adapter = new ContentProposalAdapter(text, textContentAdapter, contentProposalAdapter, keyStroke, IAssistContentProvider.AUTO_ACTIVATION_CHARACTERS);
+                adapter.setPopupSize(new Point(300, 100)); // set content
+                                                           // proposal popup
+                                                           // size
+                adapter.addContentProposalListener(contentProposalAdapter); // close
+                                                                            // popup
+            }
+        }
+    }
+
     private static KeyStroke getKeyStroke(TriggerSequence sequence) {
         for (Trigger trigger : sequence.getTriggers()) {
             if (trigger instanceof KeyStroke) {
diff --git a/plugins/org.eclipse.sirius.editor/src/org/eclipse/sirius/editor/tools/internal/presentation/TextWithContentProposalDialog.java b/plugins/org.eclipse.sirius.editor/src/org/eclipse/sirius/editor/tools/internal/presentation/TextWithContentProposalDialog.java
new file mode 100644
index 0000000000..7f09dff087
--- /dev/null
+++ b/plugins/org.eclipse.sirius.editor/src/org/eclipse/sirius/editor/tools/internal/presentation/TextWithContentProposalDialog.java
@@ -0,0 +1,99 @@
+/*******************************************************************************
+ * Copyright (c) 2015 Obeo.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Obeo - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.sirius.editor.tools.internal.presentation;
+
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.sirius.editor.editorPlugin.SiriusEditor;
+import org.eclipse.sirius.editor.tools.api.assist.TypeContentProposalProvider;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Text;
+import org.eclipse.ui.views.properties.tabbed.AbstractPropertySection;
+
+/**
+ * A dialog containing a text field with content proposal from plugins.
+ * 
+ * @author bgrouhan
+ * 
+ */
+public class TextWithContentProposalDialog extends Dialog {
+
+    /**
+     * The text that will be returned.
+     */
+    private String resultText;
+
+    /**
+     * The background color of the text area.
+     */
+    private AbstractPropertySection section;
+
+    /**
+     * The text area of the dialog.
+     */
+    private Text textArea;
+
+    /**
+     * Constructor without background color for the text area.
+     * 
+     * @param parentShell
+     *            the parent shell.
+     * @param propertySection
+     *            the property section where this dialog is created.
+     * @param initialText
+     *            the initial text.
+     */
+    public TextWithContentProposalDialog(Shell parentShell, AbstractPropertySection propertySection, String initialText) {
+        super(parentShell);
+        resultText = initialText;
+        section = propertySection;
+    }
+
+    /**
+     * Method to get the resulting text.
+     * 
+     * @return the text in the Text control if the "Ok" button was pressed, the
+     *         previous text otherwise.
+     */
+    public String getResult() {
+        return resultText;
+    }
+
+    @Override
+    protected Control createDialogArea(Composite parent) {
+        final Composite contents = (Composite) super.createDialogArea(parent);
+        textArea = new Text(contents, SWT.MULTI | SWT.V_SCROLL | SWT.WRAP);
+        final GridData data = new GridData(SWT.FILL, SWT.FILL, true, true);
+        data.heightHint = 200;
+        data.widthHint = 600;
+        textArea.setLayoutData(data);
+        textArea.setBackground(SiriusEditor.getColorRegistry().get("yellow"));
+        TypeContentProposalProvider.bindPluginsCompletionProcessors(section, textArea);
+        textArea.setText(resultText);
+        return contents;
+    }
+
+    @Override
+    protected void configureShell(Shell shell) {
+        super.configureShell(shell);
+        shell.setText("Type your expression");
+    }
+
+    @Override
+    protected void okPressed() {
+        resultText = textArea.getText().replaceAll("\n", "").replaceAll("\t", "");
+        super.okPressed();
+    }
+}