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+/*
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+ * Copyright (c) 2006-2007 Chris Smith, Shane Mc Cormack, Gregory Holmes
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a copy
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+ * of this software and associated documentation files (the "Software"), to deal
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+ * in the Software without restriction, including without limitation the rights
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+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+ * copies of the Software, and to permit persons to whom the Software is
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+ * furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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+ * SOFTWARE.
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+ */
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+
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+package com.dmdirc.ui;
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+
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+import com.dmdirc.Main;
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+import com.dmdirc.logger.Logger;
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+import com.dmdirc.ui.interfaces.FrameManager;
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+import com.dmdirc.ui.interfaces.Window;
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+
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+import java.util.ArrayList;
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+import java.util.HashMap;
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+import java.util.List;
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+import java.util.Map;
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+import java.util.Map.Entry;
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+
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+public class WindowManager {
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+
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+ private final static List<Window> rootWindows = new ArrayList<Window>();
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+
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+ private final static Map<Window, List<Window>> childWindows = new HashMap<Window, List<Window>>();
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+
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+ private final static List<FrameManager> frameManagers = new ArrayList<FrameManager>();
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+
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+ static {
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+ frameManagers.add(Main.getUI().getMainWindow().getFrameManager());
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+ }
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+
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+ private WindowManager() {
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+ // Shouldn't be instansiated
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+ }
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+
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+ public static void addFrameManager(final FrameManager frameManager) {
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+ Logger.doAssertion(frameManager != null);
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+ Logger.doAssertion(!frameManagers.contains(frameManager));
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+
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+ frameManagers.add(frameManager);
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+ }
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+
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+ public static void removeFrameManager(final FrameManager frameManager) {
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+ Logger.doAssertion(frameManager != null);
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+ Logger.doAssertion(frameManagers.contains(frameManager));
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+
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+ frameManagers.remove(frameManager);
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+ }
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+
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+ public static void addWindow(final Window window) {
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+ Logger.doAssertion(window != null);
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+ Logger.doAssertion(!rootWindows.contains(window));
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+
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+ rootWindows.add(window);
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+ childWindows.put(window, new ArrayList<Window>());
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+
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+ fireAddWindow(window);
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+ }
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+
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+ public static void addWindow(final Window parent, final Window child) {
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+ Logger.doAssertion(parent != null, child != null);
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+ Logger.doAssertion(childWindows.containsKey(parent), !childWindows.containsKey(child));
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+
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+ childWindows.get(parent).add(child);
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+ childWindows.put(child, new ArrayList<Window>());
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+
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+ fireAddWindow(parent, child);
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+ }
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+
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+ public static void removeWindow(final Window window) {
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+ Logger.doAssertion(window != null);
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+ Logger.doAssertion(childWindows.containsKey(window));
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+ Logger.doAssertion(childWindows.get(window).isEmpty());
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+
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+ childWindows.remove(window);
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+
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+ if (rootWindows.contains(window)) {
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+ rootWindows.remove(window);
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+
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+ fireDeleteWindow(window);
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+ } else {
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+ final Window parent = getParent(window);
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+
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+ childWindows.get(parent).remove(window);
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+
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+ fireDeleteWindow(parent, window);
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+ }
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+ }
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+
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+ private static Window getParent(final Window window) {
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+ for (Entry<Window, List<Window>> entry : childWindows.entrySet()) {
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+ if (entry.getValue().contains(window)) {
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+ return entry.getKey();
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+ }
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+ }
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+
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+ return null;
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+ }
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+
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+ private static void fireAddWindow(final Window window) {
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+ for (FrameManager manager : frameManagers) {
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+ manager.addWindow(window.getContainer());
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+ }
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+ }
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+
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+ private static void fireAddWindow(final Window parent, final Window child) {
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+ for (FrameManager manager : frameManagers) {
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+ manager.addWindow(parent.getContainer(), child.getContainer());
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+ }
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+ }
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+
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+ private static void fireDeleteWindow(final Window window) {
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+ for (FrameManager manager : frameManagers) {
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+ manager.delWindow(window.getContainer());
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+ }
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+ }
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+
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+ private static void fireDeleteWindow(final Window parent, final Window child) {
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+ for (FrameManager manager : frameManagers) {
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+ manager.delWindow(parent.getContainer(), child.getContainer());
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+ }
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+ }
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+
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+}
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