progress.ui/src/org/netbeans/modules/progress/ui/PopupPane.java - netbeans - Git at Google

 /**
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
  *   http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  * KIND, either express or implied.  See the License for the
  * specific language governing permissions and limitations
  * under the License.
  */

 package org.netbeans.modules.progress.ui;

 import java.awt.Color;
 import java.awt.Component;
 import java.awt.Dimension;
 import java.awt.Graphics;
 import java.awt.GridLayout;
 import java.awt.Insets;
 import java.awt.Toolkit;
 import java.awt.event.ActionEvent;
 import java.awt.event.KeyEvent;
 import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Set;
 import javax.swing.AbstractAction;
 import javax.swing.Action;
 import javax.swing.BorderFactory;
 import javax.swing.JComponent;
 import javax.swing.JPanel;
 import javax.swing.JScrollPane;
 import javax.swing.KeyStroke;
 import javax.swing.border.Border;
 import org.netbeans.modules.progress.spi.InternalHandle;
 import org.netbeans.modules.progress.spi.UIInternalHandle;
 import org.openide.util.Mutex;

 /**
  * @author mkleint
  */
 public class PopupPane extends JScrollPane {
     private JPanel view;
     private Set<ListComponent> listComponents;
     private ListComponent selected;

     public PopupPane() {
         listComponents = new HashSet<ListComponent>();
         view = new JPanel();
         GridLayout grid = new GridLayout(0, 1);
         grid.setHgap(0);
         grid.setVgap(0);
         view.setLayout(grid);
         view.setBorder(BorderFactory.createEmptyBorder());
         setName("progresspopup"); //NOI18N
         setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
         setViewportView(view);
         setFocusable(true);
         setRequestFocusEnabled(true);

         Action down = new MoveDownAction();
         getActionMap().put("Move-Down", down);
         getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0), "Move-Down");
         getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0), "Move-Down");

         Action up = new MoveUpAction();
         getActionMap().put("Move-Up", up);
         getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0), "Move-Up");
         getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0), "Move-Up");
         Action cancel = new CancelAction();
         getActionMap().put("Cancel-Task", cancel);
         getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0), "Cancel-Task");
         getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0), "Cancel-Task");

         Action select = new SelectAction();
         getActionMap().put("select-task", select);
         getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0), "select-task");
         getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0), "select-task");


         setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
     }

     public void addListComponent(final ListComponent lst) {
         Mutex.EVENT.readAccess(new Runnable() {
             public @Override void run() {
                 listComponents.add(lst);
                 if (view.getComponentCount() > 0) {
                     JComponent previous = (JComponent)view.getComponent(view.getComponentCount() - 1);
                     previous.setBorder(new BottomLineBorder());
                 }
                 lst.setBorder(BorderFactory.createEmptyBorder());
                 view.add(lst);
                 if (listComponents.size() > 3) {
                     setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
                 } else {
                     setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_NEVER);
                 }
             }
         });
     }

     public void removeListComponent(final InternalHandle handle) {
         Mutex.EVENT.readAccess(new Runnable() {
             public @Override void run() {
                 Iterator<ListComponent> it = listComponents.iterator();
                 while (it.hasNext()) {
                     ListComponent comp = it.next();
                     if (comp.getHandle() == handle) {
                         view.remove(comp);
                         it.remove();
                         break;
                     }
                 }
                 if (listComponents.size() > 3) {
                     setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
                 } else {
                     setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_NEVER);
                 }
             }
         });
     }

     public @Override Dimension getPreferredSize() {
         int count = view.getComponentCount();
         int height = count > 0 ? view.getComponent(0).getPreferredSize().height : 0;
         int offset = count > 3 ? height * 3 + 5 : (count * height) + 5;
         // 22 is the width of the additional scrollbar
         return new Dimension(count >3 ? ListComponent.ITEM_WIDTH + 22
                                       : ListComponent.ITEM_WIDTH + 2, offset);
     }

     /**
      * bold font is now used not only for explicitly selected items, but for any
      * change in currently selected task.
      */
     public void updateBoldFont(final InternalHandle handle) {
         Mutex.EVENT.readAccess(new Runnable() {
             public @Override void run() {
                 for (ListComponent comp : listComponents) {
                     comp.markAsActive(handle == comp.getHandle());
                 }
             }
         });
     }


     private static class BottomLineBorder implements Border {
         private Insets ins = new Insets(0, 0, 1, 0);
         private Color col = new Color(221, 229, 248);

         public BottomLineBorder () {}

         public @Override Insets getBorderInsets(Component c) {
             return ins;
         }

         public @Override boolean isBorderOpaque() {
             return false;
         }

         public @Override void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
            Color old = g.getColor();
            g.setColor(col);
            g.drawRect(x, y + height - 2,  width, 1);
            g.setColor(old);
         }
     }

     private int findIndex(Component comp) {
         Component[] comps = view.getComponents();
         for (int i = 0; i < comps.length; i++) {
             if (comps[i] == comp) {
                 return i;
             }
         }
         return -1;
     }

     public @Override void requestFocus() {
 //#63666 - don't focus any of the tasks explicitly, wait for user action.
 //        if (view.getComponentCount() > 1) {
 //            if (selected == null || !selected.isDisplayable()) {
 //                selected = (ListComponent)view.getComponent(0);
 //            }
 //            selected.requestFocus();
 //        } else {
             super.requestFocus();
 //        }
     }

     private class MoveDownAction extends AbstractAction {

         MoveDownAction() {
         }

         public @Override void actionPerformed(ActionEvent actionEvent) {
             int index = -1;
             if (selected != null) {
                 index = findIndex(selected);
             }
             index = index + 1;
             if (index >= PopupPane.this.view.getComponentCount()) {
                 index = 0;
             }
             selected = (ListComponent)PopupPane.this.view.getComponent(index);
             selected.requestFocus();
         }

     }

     private class MoveUpAction extends AbstractAction {

         MoveUpAction() {
         }

         public @Override void actionPerformed(ActionEvent actionEvent) {
             int index = PopupPane.this.view.getComponentCount();
             if (selected != null) {
                 index = findIndex(selected);
 //                selected.setBackground(new Color(249, 249, 249));
             }
             index = index - 1;
             if (index < 0) {
                 index = PopupPane.this.view.getComponentCount() - 1;
             }
             selected = (ListComponent)PopupPane.this.view.getComponent(index);
             selected.requestFocus();
 //            selected.setBackground(selectBgColor);
 //            selected.scrollRectToVisible(selected.getBounds());
         }
     }

     private class CancelAction extends AbstractAction {
         public CancelAction () {}

         public @Override void actionPerformed(ActionEvent actionEvent) {
             if (selected != null) {
                 Action act = selected.getCancelAction();
                 if (act != null) {
                     act.actionPerformed(actionEvent);
                 } else {
                     Toolkit.getDefaultToolkit().beep();
                 }
             }
         }
     }

     private class SelectAction extends AbstractAction {
         public SelectAction () {}

         public @Override void actionPerformed(ActionEvent actionEvent) {
             if (selected != null) {
                 selected.getHandle().requestExplicitSelection();
             }
         }
     }

 }
	/**
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you under the Apache License, Version 2.0 (the
	* "License"); you may not use this file except in compliance
	* with the License. You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing,
	* software distributed under the License is distributed on an
	* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
	* KIND, either express or implied. See the License for the
	* specific language governing permissions and limitations
	* under the License.
	*/

	package org.netbeans.modules.progress.ui;

	import java.awt.Color;
	import java.awt.Component;
	import java.awt.Dimension;
	import java.awt.Graphics;
	import java.awt.GridLayout;
	import java.awt.Insets;
	import java.awt.Toolkit;
	import java.awt.event.ActionEvent;
	import java.awt.event.KeyEvent;
	import java.util.HashSet;
	import java.util.Iterator;
	import java.util.Set;
	import javax.swing.AbstractAction;
	import javax.swing.Action;
	import javax.swing.BorderFactory;
	import javax.swing.JComponent;
	import javax.swing.JPanel;
	import javax.swing.JScrollPane;
	import javax.swing.KeyStroke;
	import javax.swing.border.Border;
	import org.netbeans.modules.progress.spi.InternalHandle;
	import org.netbeans.modules.progress.spi.UIInternalHandle;
	import org.openide.util.Mutex;

	/**
	* @author mkleint
	*/
	public class PopupPane extends JScrollPane {
	private JPanel view;
	private Set<ListComponent> listComponents;
	private ListComponent selected;

	public PopupPane() {
	listComponents = new HashSet<ListComponent>();
	view = new JPanel();
	GridLayout grid = new GridLayout(0, 1);
	grid.setHgap(0);
	grid.setVgap(0);
	view.setLayout(grid);
	view.setBorder(BorderFactory.createEmptyBorder());
	setName("progresspopup"); //NOI18N
	setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED);
	setViewportView(view);
	setFocusable(true);
	setRequestFocusEnabled(true);

	Action down = new MoveDownAction();
	getActionMap().put("Move-Down", down);
	getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0), "Move-Down");
	getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0), "Move-Down");

	Action up = new MoveUpAction();
	getActionMap().put("Move-Up", up);
	getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0), "Move-Up");
	getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0), "Move-Up");
	Action cancel = new CancelAction();
	getActionMap().put("Cancel-Task", cancel);
	getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0), "Cancel-Task");
	getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_DELETE, 0), "Cancel-Task");

	Action select = new SelectAction();
	getActionMap().put("select-task", select);
	getInputMap().put(KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0), "select-task");
	getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0), "select-task");


	setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);
	}

	public void addListComponent(final ListComponent lst) {
	Mutex.EVENT.readAccess(new Runnable() {
	public @Override void run() {
	listComponents.add(lst);
	if (view.getComponentCount() > 0) {
	JComponent previous = (JComponent)view.getComponent(view.getComponentCount() - 1);
	previous.setBorder(new BottomLineBorder());
	}
	lst.setBorder(BorderFactory.createEmptyBorder());
	view.add(lst);
	if (listComponents.size() > 3) {
	setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
	} else {
	setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_NEVER);
	}
	}
	});
	}

	public void removeListComponent(final InternalHandle handle) {
	Mutex.EVENT.readAccess(new Runnable() {
	public @Override void run() {
	Iterator<ListComponent> it = listComponents.iterator();
	while (it.hasNext()) {
	ListComponent comp = it.next();
	if (comp.getHandle() == handle) {
	view.remove(comp);
	it.remove();
	break;
	}
	}
	if (listComponents.size() > 3) {
	setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
	} else {
	setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_NEVER);
	}
	}
	});
	}

	public @Override Dimension getPreferredSize() {
	int count = view.getComponentCount();
	int height = count > 0 ? view.getComponent(0).getPreferredSize().height : 0;
	int offset = count > 3 ? height * 3 + 5 : (count * height) + 5;
	// 22 is the width of the additional scrollbar
	return new Dimension(count >3 ? ListComponent.ITEM_WIDTH + 22
	: ListComponent.ITEM_WIDTH + 2, offset);
	}

	/**
	* bold font is now used not only for explicitly selected items, but for any
	* change in currently selected task.
	*/
	public void updateBoldFont(final InternalHandle handle) {
	Mutex.EVENT.readAccess(new Runnable() {
	public @Override void run() {
	for (ListComponent comp : listComponents) {
	comp.markAsActive(handle == comp.getHandle());
	}
	}
	});
	}



	private static class BottomLineBorder implements Border {
	private Insets ins = new Insets(0, 0, 1, 0);
	private Color col = new Color(221, 229, 248);

	public BottomLineBorder () {}

	public @Override Insets getBorderInsets(Component c) {
	return ins;
	}

	public @Override boolean isBorderOpaque() {
	return false;
	}

	public @Override void paintBorder(Component c, Graphics g, int x, int y, int width, int height) {
	Color old = g.getColor();
	g.setColor(col);
	g.drawRect(x, y + height - 2, width, 1);
	g.setColor(old);
	}
	}

	private int findIndex(Component comp) {
	Component[] comps = view.getComponents();
	for (int i = 0; i < comps.length; i++) {
	if (comps[i] == comp) {
	return i;
	}
	}
	return -1;
	}

	public @Override void requestFocus() {
	//#63666 - don't focus any of the tasks explicitly, wait for user action.
	// if (view.getComponentCount() > 1) {
	// if (selected == null \|\| !selected.isDisplayable()) {
	// selected = (ListComponent)view.getComponent(0);
	// }
	// selected.requestFocus();
	// } else {
	super.requestFocus();
	// }
	}

	private class MoveDownAction extends AbstractAction {

	MoveDownAction() {
	}

	public @Override void actionPerformed(ActionEvent actionEvent) {
	int index = -1;
	if (selected != null) {
	index = findIndex(selected);
	}
	index = index + 1;
	if (index >= PopupPane.this.view.getComponentCount()) {
	index = 0;
	}
	selected = (ListComponent)PopupPane.this.view.getComponent(index);
	selected.requestFocus();
	}

	}

	private class MoveUpAction extends AbstractAction {

	MoveUpAction() {
	}

	public @Override void actionPerformed(ActionEvent actionEvent) {
	int index = PopupPane.this.view.getComponentCount();
	if (selected != null) {
	index = findIndex(selected);
	// selected.setBackground(new Color(249, 249, 249));
	}
	index = index - 1;
	if (index < 0) {
	index = PopupPane.this.view.getComponentCount() - 1;
	}
	selected = (ListComponent)PopupPane.this.view.getComponent(index);
	selected.requestFocus();
	// selected.setBackground(selectBgColor);
	// selected.scrollRectToVisible(selected.getBounds());
	}
	}

	private class CancelAction extends AbstractAction {
	public CancelAction () {}

	public @Override void actionPerformed(ActionEvent actionEvent) {
	if (selected != null) {
	Action act = selected.getCancelAction();
	if (act != null) {
	act.actionPerformed(actionEvent);
	} else {
	Toolkit.getDefaultToolkit().beep();
	}
	}
	}
	}

	private class SelectAction extends AbstractAction {
	public SelectAction () {}

	public @Override void actionPerformed(ActionEvent actionEvent) {
	if (selected != null) {
	selected.getHandle().requestExplicitSelection();
	}
	}
	}

	}