New UI for Find command: find-as-you-type.

editor/tools/plugins/com.xored.glance.ui/src/com/xored/glance/ui/sources/ColorManager.java

Index: editor/tools/plugins/com.xored.glance.ui/src/com/xored/glance/ui/sources/ColorManager.java
===================================================================
--- editor/tools/plugins/com.xored.glance.ui/src/com/xored/glance/ui/sources/ColorManager.java	(revision 0)
+++ editor/tools/plugins/com.xored.glance.ui/src/com/xored/glance/ui/sources/ColorManager.java	(revision 0)
@@ -0,0 +1,137 @@
+/*******************************************************************************
+ * Copyright (c) 2008 xored software, Inc. 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:
+ * xored software, Inc. - initial API and Implementation (Yuri Strot)
+ *******************************************************************************/
+package com.xored.glance.ui.sources;
+
+import com.google.dart.tools.ui.DartToolsPlugin;
+
+import com.xored.glance.internal.ui.GlancePlugin;
+import com.xored.glance.internal.ui.preferences.IPreferenceConstants;
+import com.xored.glance.internal.ui.preferences.TreeColors;
+
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.util.IPropertyChangeListener;
+import org.eclipse.jface.util.PropertyChangeEvent;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.ui.PlatformUI;
+
+import static org.eclipse.jface.preference.PreferenceConverter.getColor;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author Yuri Strot
+ */
+public class ColorManager implements IPropertyChangeListener, IPreferenceConstants {
+
+  public static final String ANNOTATION_ID = "com.xored.glance.ui.highlight";
+  public static final String ANNOTATION_SELECTED_ID = "com.xored.glance.ui.select";
+
+  private static ColorManager INSTANCE;
+
+  public static ColorManager getInstance() {
+    if (INSTANCE == null) {
+      INSTANCE = new ColorManager();
+    }
+    return INSTANCE;
+  }
+
+  public static IPreferenceStore getStore() {
+//		return ((AbstractUIPlugin) Platform.getPlugin("org.eclipse.ui.editors")).getPreferenceStore();
+    return DartToolsPlugin.getDefault().getPreferenceStore();
+  }
+
+  public static Color lighten(Color color, int delta) {
+    int r = ensureColor(color.getRed() + delta);
+    int g = ensureColor(color.getGreen() + delta);
+    int b = ensureColor(color.getBlue() + delta);
+    return new Color(color.getDevice(), r, g, b);
+  }
+
+  private static int ensureColor(int value) {
+    return value > 255 ? 255 : value;
+  }
+
+  private Color selection;
+
+  private Color highlight;
+
+  private Color treeBg;
+
+  private Color treeFg;
+
+  private boolean useNative;
+
+  private List<Color> toDispose = new ArrayList<Color>();
+
+  private ColorManager() {
+    getStore().addPropertyChangeListener(this);
+    GlancePlugin.getDefault().getPreferenceStore().addPropertyChangeListener(this);
+    updateColors();
+  }
+
+  public Color getBackgroundColor() {
+    return selection;
+  }
+
+  public Color getSelectedBackgroundColor() {
+    return highlight;
+  }
+
+  public Color getTreeSelectionBg() {
+    return treeBg;
+  }
+
+  public Color getTreeSelectionFg() {
+    return treeFg;
+  }
+
+  public boolean isUseNative() {
+    return useNative;
+  }
+
+  @Override
+  public void propertyChange(final PropertyChangeEvent event) {
+    if (COLOR_HIGHLIGHT.equals(event.getProperty()) || COLOR_SELECTION.equals(event.getProperty())) {
+      updateColors();
+    }
+  }
+
+  private void updateColors() {
+    for (Color color : toDispose) {
+      color.dispose();
+    }
+    toDispose = new ArrayList<Color>();
+
+    final Display display = PlatformUI.getWorkbench().getDisplay();
+    final IPreferenceStore store = getStore();
+
+    selection = new Color(display, getColor(store, COLOR_HIGHLIGHT));
+    highlight = new Color(display, getColor(store, COLOR_SELECTION));
+
+    TreeColors colors = TreeColors.getDefault();
+    useNative = colors.isUseNative();
+    if (colors.getBg() != null) {
+      treeBg = new Color(display, colors.getBg());
+      toDispose.add(treeBg);
+    } else {
+      treeBg = display.getSystemColor(SWT.COLOR_LIST_SELECTION);
+    }
+
+    if (colors.getFg() != null) {
+      treeFg = new Color(display, colors.getFg());
+      toDispose.add(treeFg);
+    } else {
+      treeFg = display.getSystemColor(SWT.COLOR_LIST_SELECTION_TEXT);
+    }
+
+    toDispose.add(selection);
+    toDispose.add(highlight);
+  }
+}