1 files changed, 166 insertions, 0 deletions
diff --git a/build/org.eclipse.cdt.autotools.ui/src/org/eclipse/cdt/internal/autotools/ui/editors/QuickOutlineDialog.java b/build/org.eclipse.cdt.autotools.ui/src/org/eclipse/cdt/internal/autotools/ui/editors/QuickOutlineDialog.java
new file mode 100644
index 00000000000..ec2102bcc24
--- /dev/null
+++ b/build/org.eclipse.cdt.autotools.ui/src/org/eclipse/cdt/internal/autotools/ui/editors/QuickOutlineDialog.java
@@ -0,0 +1,166 @@
+/*******************************************************************************
+ * Copyright (c) 2016 Red Hat Inc. and others.
+ * 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:
+ *     Red Hat Inc. - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.cdt.internal.autotools.ui.editors;
+
+import org.eclipse.cdt.autotools.ui.editors.AutoconfEditor;
+import org.eclipse.cdt.autotools.ui.editors.outline.AutoconfContentProvider;
+import org.eclipse.cdt.autotools.ui.editors.outline.AutoconfLabelProvider;
+import org.eclipse.cdt.autotools.ui.editors.parser.AutoconfElement;
+import org.eclipse.jface.dialogs.Dialog;
+import org.eclipse.jface.dialogs.PopupDialog;
+import org.eclipse.jface.layout.GridDataFactory;
+import org.eclipse.jface.viewers.AbstractTreeViewer;
+import org.eclipse.jface.viewers.ILabelProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.ITreeContentProvider;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.KeyAdapter;
+import org.eclipse.swt.events.KeyEvent;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.FontMetrics;
+import org.eclipse.swt.graphics.GC;
+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.swt.widgets.Tree;
+import org.eclipse.ui.editors.text.TextEditor;
+import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
+
+public class QuickOutlineDialog extends PopupDialog {
+
+	TreeViewer treeViewer;
+	private Text filterText;
+
+	private TextEditor editor;
+	private ContainsFilter treeViewerFilter;
+
+	public QuickOutlineDialog(Shell parent, int shellStyle, AutoconfEditor editor) {
+		super(parent, shellStyle, true, true, true, true, true, null, null);
+		this.editor = editor;
+		create();
+	}
+
+	public void setVisible(boolean visible) {
+		if (visible) {
+			open();
+			filterText.setFocus();
+		} else {
+			saveDialogBounds(getShell());
+			getShell().setVisible(false);
+		}
+	}
+
+	public void dispose() {
+		close();
+	}
+
+	@Override
+	protected Control createDialogArea(Composite parent) {
+		createUIWidgetTreeViewer(parent);
+		createUIListenersTreeViewer();
+		return treeViewer.getControl();
+	}
+
+	@Override
+	protected Control createTitleControl(Composite parent) {
+		filterText = new Text(parent, SWT.NONE);
+		GC gc = new GC(parent);
+		gc.setFont(parent.getFont());
+		FontMetrics fontMetrics = gc.getFontMetrics();
+		gc.dispose();
+		GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false)
+				.hint(SWT.DEFAULT, Dialog.convertHeightInCharsToPixels(fontMetrics, 1)).applyTo(filterText);
+
+		filterText.addKeyListener(new KeyAdapter() {
+			@Override
+			public void keyPressed(KeyEvent e) {
+				if (e.keyCode == 0x0D) { // Enter pressed
+					gotoSelectedElement();
+				} else if (e.keyCode == SWT.ARROW_DOWN) {
+					treeViewer.getTree().setFocus();
+				} else if (e.keyCode == SWT.ARROW_UP) {
+					treeViewer.getTree().setFocus();
+				} else if (e.character == 0x1B) { // Escape pressed
+					dispose();
+				}
+			}
+		});
+		filterText.addModifyListener(e -> {
+			String filterTextInput = ((Text) e.widget).getText().toLowerCase();
+			treeViewerFilter.setLookFor(filterTextInput);
+			stringMatcherUpdated();
+		});
+		return filterText;
+	}
+
+	private void stringMatcherUpdated() {
+		treeViewer.getControl().setRedraw(false);
+		treeViewer.refresh();
+		treeViewer.expandAll();
+		if (treeViewer.getTree().getTopItem() != null && treeViewer.getTree().getTopItem().getItemCount() > 0) {
+			treeViewer.getTree().select(treeViewer.getTree().getTopItem().getItem(0));
+		} else if (treeViewer.getTree().getItemCount() > 0) {
+			treeViewer.getTree().select(treeViewer.getTree().getItem(0));
+		}
+		treeViewer.getControl().setRedraw(true);
+	}
+
+	private void createUIWidgetTreeViewer(Composite parent) {
+		final int style = SWT.H_SCROLL | SWT.V_SCROLL;
+		final Tree widget = new Tree(parent, style);
+		final GridData data = new GridData(GridData.FILL_BOTH);
+		data.heightHint = widget.getItemHeight() * 12;
+		widget.setLayoutData(data);
+		treeViewer = new TreeViewer(widget);
+		treeViewerFilter = new ContainsFilter();
+		treeViewer.addFilter(treeViewerFilter);
+
+		ITreeContentProvider fOutlineContentProvider = new AutoconfContentProvider(editor);
+		ILabelProvider fTreeLabelProvider = new AutoconfLabelProvider();
+		treeViewer.setContentProvider(fOutlineContentProvider);
+		treeViewer.setLabelProvider(fTreeLabelProvider);
+		treeViewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);
+		treeViewer.setUseHashlookup(true);
+		treeViewer.setInput(editor.getAdapter(IContentOutlinePage.class));
+	}
+
+	private void createUIListenersTreeViewer() {
+		final Tree tree = treeViewer.getTree();
+		tree.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetDefaultSelected(SelectionEvent e) {
+				gotoSelectedElement();
+			}
+		});
+	}
+
+	private void gotoSelectedElement() {
+		if (editor instanceof AutoconfEditor) {
+			final AutoconfElement curElement = (AutoconfElement) getSelectedElement();
+			if (curElement == null) {
+				return;
+			}
+			dispose();
+			editor.setHighlightRange(curElement.getStartOffset(), curElement.getLength(), true);
+		}
+	}
+
+	private Object getSelectedElement() {
+		if (treeViewer == null) {
+			return null;
+		}
+		return ((IStructuredSelection) treeViewer.getSelection()).getFirstElement();
+	}
+}