pjs/grendel/search/TermPanel.java

137 строки
3.5 KiB
Java

/* -*- Mode: java; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
* the License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is the Grendel mail/news client.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are Copyright (C) 1997
* Netscape Communications Corporation. All Rights Reserved.
*
* Created: Will Scullin <scullin@netscape.com>, 4 Nov 1997.
*/
package grendel.search;
import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.LayoutManager;
import java.awt.SystemColor;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.mail.search.SearchTerm;
import javax.swing.JPanel;
import grendel.widgets.SelectionEvent;
import grendel.widgets.SelectionListener;
import grendel.widgets.SelectionManager;
public abstract class TermPanel extends JPanel implements SelectionListener {
static boolean bStyle2 = false;
SelectionManager fSelection;
TermPanel fThis;
public TermPanel(SearchPanel aParent, LayoutManager l) {
super(l, true);
init(aParent.getSelection());
}
public TermPanel(SearchPanel aParent) {
super(true);
init(aParent.getSelection());
}
public NaryTermPanel getParentTerm() {
Container parent = getParent();
if (parent instanceof NaryTermPanel) {
return (NaryTermPanel) parent;
} else {
return null;
}
}
void init(SelectionManager aSelection) {
fSelection = aSelection;
fThis = this;
fSelection.addSelectionListener(this);
addMouseListener(new TermMouseListener());
}
public Dimension getPreferredSize() {
return getLayout().preferredLayoutSize(this);
}
public abstract SearchTerm getSearch();
public void paintComponent(Graphics g) {
// Save foreground
Color fg = getForeground();
if (isSelected()) {
g.setColor(SystemColor.textHighlight);
setForeground(SystemColor.textHighlightText);
} else {
g.setColor(SystemColor.control);
setForeground(SystemColor.textText);
}
Dimension size = getSize();
g.fillRect(0, 0, size.width, size.height);
// Restore foreground
setForeground(fg);
}
boolean isSelected() {
return fSelection.isSelected(fThis);
}
class TermMouseListener extends MouseAdapter {
public void mouseClicked(MouseEvent aEvent) {
fSelection.setSelection(fThis);
}
}
public void selectionChanged(SelectionEvent aEvent) {
Object added[] = aEvent.getAdded();
Object removed[] = aEvent.getRemoved();
int i;
if (added != null) {
for (i = 0; i < added.length; i++) {
if (added[i] == this) {
repaint();
}
}
}
if (removed != null) {
for (i = 0; i < removed.length; i++) {
if (removed[i] == this) {
repaint();
}
}
}
}
public void selectionDoubleClicked(MouseEvent aEvent) {
}
public void selectionContextClicked(MouseEvent aEvent) {
}
public void selectionDragged(MouseEvent aEvent) {
}
}