gecko-dev/grendel/search/SearchPanel.java
1998-09-09 00:52:38 +00:00

205 lines
5.7 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>, 9 Oct 1997.
*/
package grendel.search;
import java.awt.BorderLayout;
import java.awt.Canvas;
import java.awt.Component;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Enumeration;
import javax.mail.search.SearchTerm;
import com.sun.java.swing.JComponent;
import com.sun.java.swing.JButton;
import com.sun.java.swing.JPanel;
import com.sun.java.swing.JScrollPane;
import com.sun.java.swing.border.EmptyBorder;
import netscape.orion.toolbars.BarLayout;
import grendel.widgets.SelectionManager;
import grendel.widgets.SingleSelectionManager;
public class SearchPanel extends JPanel {
ISearchable fSearchable;
SearchPanel fThis;
JComponent fOperatorPanel;
JScrollPane fQueryPanel;
JButton fAndButton;
JButton fOrButton;
JButton fDeleteButton;
NoopPanel fOuterTerm;
SelectionManager fSelection;
public SearchPanel(ISearchable aSearchable) {
super(new BorderLayout(), true);
fThis = this;
fSearchable = aSearchable;
fSelection = new SingleSelectionManager();
// Create Query Panel
fQueryPanel = new JScrollPane();
fOuterTerm = new NoopPanel(this);
fOuterTerm.addTerm(new AttributePanel(this, fSearchable));
fQueryPanel.setViewportView(fOuterTerm);
add(fQueryPanel);
// Create Operator buttons
fOperatorPanel = new JPanel(new BarLayout(BarLayout.kVertical, 5), true);
fOperatorPanel.setBorder(new EmptyBorder(5,5,5,5));
fAndButton = new JButton("And");
fAndButton.addActionListener(new AndAction());
fOperatorPanel.add(fAndButton, BarLayout.kSheep);
fOrButton = new JButton("Or");
fOrButton.addActionListener(new OrAction());
fOperatorPanel.add(fOrButton, BarLayout.kSheep);
fDeleteButton = new JButton("Delete");
fDeleteButton.addActionListener(new DeleteAction());
fOperatorPanel.add(fDeleteButton, BarLayout.kSheep);
add(BorderLayout.EAST, fOperatorPanel);
}
public void setSearchable(ISearchable aSearchable) {
fSearchable = aSearchable;
}
public ISearchable getSearchable() {
return fSearchable;
}
public SearchTerm getSearch() {
return fOuterTerm.getSearch();
}
public SelectionManager getSelection() {
return fSelection;
}
protected void sanitize(NaryTermPanel aTerm) {
int i = 0;
while (i < aTerm.getTermCount()) {
TermPanel term = aTerm.getTerm(i);
if (term instanceof NaryTermPanel) {
NaryTermPanel nary = (NaryTermPanel) term;
sanitize(nary);
if (nary.getTermCount() < 1) {
aTerm.removeTerm(nary);
} else {
if (nary.getTermCount() < 2) {
aTerm.replaceTerm(nary, nary.getTerm(0));
}
i++;
}
} else {
i++;
}
}
}
protected TermPanel getSelectedTerm() {
TermPanel term = null;
Enumeration selection = fSelection.getSelection();
if (selection.hasMoreElements()) {
term = (TermPanel) selection.nextElement();
} else if (fOuterTerm.getTermCount() != 0) {
term = fOuterTerm.getTerm(0);
}
return term;
}
class OrAction implements ActionListener {
public void actionPerformed(ActionEvent aEvent) {
TermPanel term = getSelectedTerm();
if (term instanceof OrPanel) {
OrPanel or = (OrPanel) term;
or.addTerm(new AttributePanel(fThis, fSearchable));
} else {
NaryTermPanel parent = term != null ? term.getParentTerm() : null;
OrPanel or = new OrPanel(fThis);
if (parent != null) {
parent.replaceTerm(term, or);
or.addTerm(term);
} else {
fOuterTerm.addTerm(or);
}
or.addTerm(new AttributePanel(fThis, fSearchable));
}
sanitize(fOuterTerm);
validate();
}
}
class AndAction implements ActionListener {
public void actionPerformed(ActionEvent aEvent) {
TermPanel term = getSelectedTerm();
if (term instanceof AndPanel) {
AndPanel and = (AndPanel) term;
and.addTerm(new AttributePanel(fThis, fSearchable));
} else {
NaryTermPanel parent = term != null ? term.getParentTerm() : null;
AndPanel and = new AndPanel(fThis);
if (parent != null) {
parent.replaceTerm(term, and);
and.addTerm(term);
} else {
fOuterTerm.addTerm(and);
}
and.addTerm(new AttributePanel(fThis, fSearchable));
}
validate();
}
}
class DeleteAction implements ActionListener {
public void actionPerformed(ActionEvent aEvent) {
TermPanel term = getSelectedTerm();
NaryTermPanel parent = term != null ? term.getParentTerm() : null;
if (parent != null) {
parent.removeTerm(term);
}
sanitize(fOuterTerm);
validate();
}
}
}