added a new example pluglet:
DOMViewer a=idk@eng.sun.com, sdv@sparc.spb.su r=idk@eng.sun.com, sdv@sparc.spb.su git-svn-id: svn://10.0.0.236/trunk@61229 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
sdv%sparc.spb.su
390
mozilla/java/plugins/examples/dom/DOMAccessPanel.java
Normal file
390
mozilla/java/plugins/examples/dom/DOMAccessPanel.java
Normal file
@@ -0,0 +1,390 @@
|
||||
/*
|
||||
* 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 Initial Developer of the Original Code is Sun Microsystems,
|
||||
* Inc. Portions created by Sun are Copyright (C) 1999 Sun Microsystems,
|
||||
* Inc. All Rights Reserved.
|
||||
*
|
||||
* Contributor(s): Denis Sharypov <sdv@sparc.spb.su>
|
||||
* Igor Kushnirskiy <idk@eng.sun.com>
|
||||
*/
|
||||
|
||||
import java.awt.*;
|
||||
import java.awt.event.*;
|
||||
import org.w3c.dom.*;
|
||||
import org.mozilla.dom.*;
|
||||
import javax.swing.*;
|
||||
import javax.swing.tree.*; //idk
|
||||
import javax.swing.border.*;
|
||||
import javax.swing.event.*;
|
||||
import javax.swing.JFileChooser;
|
||||
|
||||
import DOMTreeDumper;
|
||||
|
||||
public class DOMAccessPanel extends JPanel implements ActionListener, ItemListener, TreeSelectionListener {
|
||||
|
||||
private JTextField name, aValue;
|
||||
private JComboBox type, aName;
|
||||
private JTextArea value;
|
||||
private JButton newNode, insert, append, remove, set, removeAttr, save;
|
||||
private Node node, prv;
|
||||
private NamedNodeMap attrMap;
|
||||
private boolean updating;
|
||||
private String[] types = {
|
||||
"ELEMENT",
|
||||
"ATTRIBUTE",
|
||||
"TEXT",
|
||||
"CDATA_SECTION",
|
||||
"ENTITY_REF",
|
||||
"ENTITY",
|
||||
"PROC_INSTR",
|
||||
"COMMENT",
|
||||
"DOCUMENT",
|
||||
"DOCUMENT_TYPE",
|
||||
"DOC_FRAGM",
|
||||
"NOTATION"
|
||||
};
|
||||
|
||||
// private boolean debug = true;
|
||||
private boolean debug = false;
|
||||
|
||||
private Component tree;
|
||||
private DOMTreeNotifier treeNotifier;
|
||||
private TreePath nodePath;
|
||||
private DOMTreeDumper treeDumper;
|
||||
private JFileChooser chooser;
|
||||
|
||||
|
||||
public DOMAccessPanel(DOMTreeNotifier notifier) {
|
||||
|
||||
treeNotifier = notifier;
|
||||
GridBagLayout layout = new GridBagLayout();
|
||||
GridBagConstraints c = new GridBagConstraints();
|
||||
JPanel nodeInfo = new JPanel();
|
||||
nodeInfo.setLayout(layout);
|
||||
|
||||
|
||||
JLabel l = new JLabel("Name:");
|
||||
c.anchor = GridBagConstraints.WEST;
|
||||
c.fill = GridBagConstraints.NONE;
|
||||
layout.setConstraints(l, c);
|
||||
nodeInfo.add(l);
|
||||
|
||||
l = new JLabel("Type:");
|
||||
c.gridwidth = GridBagConstraints.REMAINDER; //end row
|
||||
layout.setConstraints(l, c);
|
||||
nodeInfo.add(l);
|
||||
|
||||
c.gridwidth = GridBagConstraints.RELATIVE; //new row
|
||||
name = new JTextField(10);
|
||||
layout.setConstraints(name, c);
|
||||
nodeInfo.add(name);
|
||||
|
||||
c.gridwidth = GridBagConstraints.REMAINDER; //end row
|
||||
type = new JComboBox(types);
|
||||
layout.setConstraints(type, c);
|
||||
nodeInfo.add(type);
|
||||
|
||||
// Attribute panel
|
||||
|
||||
JPanel attrPanel = new JPanel();
|
||||
GridBagLayout attrLayout = new GridBagLayout();
|
||||
attrPanel.setLayout(attrLayout);
|
||||
|
||||
c.gridwidth = GridBagConstraints.RELATIVE; //new row
|
||||
aName = new JComboBox();
|
||||
aName.setEditable(true);
|
||||
aName.addItemListener(this);
|
||||
attrLayout.setConstraints(aName, c);
|
||||
attrPanel.add(aName);
|
||||
|
||||
JPanel p = new JPanel();
|
||||
l = new JLabel("=");
|
||||
p.add(l);
|
||||
aValue = new JTextField(9);
|
||||
p.add(aValue);
|
||||
c.gridwidth = GridBagConstraints.REMAINDER; //end row
|
||||
attrLayout.setConstraints(p, c);
|
||||
attrPanel.add(p);
|
||||
|
||||
p = new JPanel();
|
||||
set = new JButton("Set");
|
||||
set.addActionListener(this);
|
||||
p.add(set);
|
||||
removeAttr = new JButton("Remove");
|
||||
removeAttr.setActionCommand("remove_attr");
|
||||
removeAttr.addActionListener(this);
|
||||
p.add(removeAttr);
|
||||
attrLayout.setConstraints(p, c);
|
||||
attrPanel.add(p);
|
||||
attrPanel.setBorder(new TitledBorder(new BevelBorder(BevelBorder.LOWERED), " Attributes "));
|
||||
layout.setConstraints(attrPanel, c);
|
||||
|
||||
// End Attribute panel
|
||||
|
||||
nodeInfo.add(attrPanel);
|
||||
|
||||
l = new JLabel("Value:");
|
||||
layout.setConstraints(l, c);
|
||||
nodeInfo.add(l);
|
||||
|
||||
value = new JTextArea(5, 23);
|
||||
value.addCaretListener (new CaretListener() {
|
||||
public void caretUpdate(CaretEvent e) {
|
||||
dbg("caret:");
|
||||
if (node == null || updating) return;
|
||||
String valueStr = value.getText();
|
||||
if (!valueStr.equals("")) {
|
||||
node.setNodeValue(valueStr);
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
JScrollPane valueScrollPane = new JScrollPane(value);
|
||||
layout.setConstraints(valueScrollPane, c);
|
||||
nodeInfo.add(valueScrollPane);
|
||||
|
||||
JPanel nodeButtonPanel = new JPanel();
|
||||
GridLayout gl = new GridLayout(2, 2);
|
||||
nodeButtonPanel.setLayout(gl);
|
||||
newNode = new JButton("New");
|
||||
newNode.setToolTipText("Create a new node");
|
||||
newNode.addActionListener(this);
|
||||
nodeButtonPanel.add(newNode);
|
||||
insert = new JButton("Insert");
|
||||
insert.setToolTipText("Inserts a node before the selected node ");
|
||||
insert.addActionListener(this);
|
||||
nodeButtonPanel.add(insert);
|
||||
append = new JButton("Append");
|
||||
append.setToolTipText("Adds a node to the end of the list of children of the selected node");
|
||||
append.addActionListener(this);
|
||||
nodeButtonPanel.add(append);
|
||||
remove = new JButton("Remove");
|
||||
remove.setToolTipText("Removes the selected node from the tree");
|
||||
remove.addActionListener(this);
|
||||
nodeButtonPanel.add(remove);
|
||||
nodeButtonPanel.setBorder(new TitledBorder(new BevelBorder(BevelBorder.LOWERED), " Node Manipulation "));
|
||||
|
||||
c.fill = GridBagConstraints.HORIZONTAL;
|
||||
layout.setConstraints(nodeButtonPanel, c);
|
||||
|
||||
nodeInfo.add(nodeButtonPanel);
|
||||
nodeInfo.setBorder(new TitledBorder(new EtchedBorder(), " Node info "));
|
||||
|
||||
|
||||
layout = new GridBagLayout();
|
||||
setLayout(layout);
|
||||
layout.setConstraints(nodeInfo, c);
|
||||
add(nodeInfo);
|
||||
|
||||
save = new JButton("Dump Tree To File");
|
||||
save.setActionCommand("save");
|
||||
save.addActionListener(this);
|
||||
c.anchor = GridBagConstraints.CENTER;
|
||||
c.fill = GridBagConstraints.BOTH;
|
||||
layout.setConstraints(save, c);
|
||||
add(save);
|
||||
|
||||
setButtonState();
|
||||
|
||||
}
|
||||
|
||||
public void actionPerformed(ActionEvent e) {
|
||||
String command = e.getActionCommand();
|
||||
dbg("AttrInfoPanel.actionPerformed: " + command);
|
||||
if (command.equalsIgnoreCase("new")) {
|
||||
prv = node;
|
||||
updateInfo(null);
|
||||
type.setEnabled(true);
|
||||
insert.setEnabled(true);
|
||||
append.setEnabled(true);
|
||||
} else if (command.equalsIgnoreCase("insert")) {
|
||||
insertNode();
|
||||
treeNotifier.treeStructureChanged(
|
||||
new TreeModelEvent(this, nodePath.getParentPath()));
|
||||
} else if (command.equalsIgnoreCase("append")) {
|
||||
appendNode();
|
||||
treeNotifier.treeStructureChanged(
|
||||
new TreeModelEvent(this, nodePath.getParentPath()));
|
||||
} else if (command.equalsIgnoreCase("remove")) {
|
||||
if (node == null) return;
|
||||
Node parent = node.getParentNode();
|
||||
parent.removeChild(node);
|
||||
node = parent;
|
||||
treeNotifier.treeStructureChanged(new TreeModelEvent(this, nodePath.getParentPath()));
|
||||
} else if (command.equalsIgnoreCase("save")) {
|
||||
saveDoc();
|
||||
} else if (command.equalsIgnoreCase("set")) {
|
||||
((Element)node).setAttribute((String)aName.getSelectedItem(), aValue.getText());
|
||||
updateInfo(node);
|
||||
} else if (command.equalsIgnoreCase("remove_attr")) {
|
||||
removeAttribute();
|
||||
}
|
||||
}
|
||||
|
||||
public void itemStateChanged(ItemEvent e) {
|
||||
if ((node != null) && (aName.getSelectedItem() != null)) {
|
||||
set.setEnabled(true);
|
||||
if (((attrMap = node.getAttributes()) != null) &&
|
||||
(aName.getSelectedIndex() >=0)) {
|
||||
dbg("setting attr...");
|
||||
aValue.setText(attrMap.item(aName.getSelectedIndex()).getNodeValue());
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public void updateInfo(Node node) {
|
||||
updating = true;
|
||||
dbg("updateInfo" + node);
|
||||
this.node = node;
|
||||
setButtonState();
|
||||
name.setText("");
|
||||
value.setText("");
|
||||
aValue.setText("");
|
||||
aName.removeAllItems();
|
||||
if (node == null) {
|
||||
updating = false;
|
||||
return;
|
||||
}
|
||||
prv = node;
|
||||
name.setText(node.getNodeName());
|
||||
type.setSelectedIndex(node.getNodeType() - 1);
|
||||
dbg("1 update node name: " + node.getNodeName());
|
||||
dbg("1 update node value:" + node.getNodeValue());
|
||||
value.setText(node.getNodeValue());
|
||||
dbg("2 update node name: " + node.getNodeName());
|
||||
dbg("2 update node value:" + node.getNodeValue());
|
||||
attrMap = node.getAttributes();
|
||||
if (attrMap == null) {
|
||||
updating = false;
|
||||
return;
|
||||
}
|
||||
int length = attrMap.getLength();
|
||||
for (int i=0; i < length; i++) {
|
||||
Attr a = (Attr)attrMap.item(i);
|
||||
aName.addItem(a.getName());
|
||||
}
|
||||
if (length > 0) {
|
||||
aName.setSelectedIndex(0);
|
||||
aValue.setText(attrMap.item(0).getNodeValue());
|
||||
}
|
||||
updating = false;
|
||||
}
|
||||
|
||||
public void valueChanged(TreeSelectionEvent e) {
|
||||
dbg("DOMAccessPanel.valueChanged");
|
||||
if (e.isAddedPath()) {
|
||||
updateInfo((Node)e.getPath().getLastPathComponent());
|
||||
}
|
||||
nodePath = e.getPath();
|
||||
tree = (Component)e.getSource();
|
||||
}
|
||||
|
||||
private Node createNode() {
|
||||
int nodeType = type.getSelectedIndex();
|
||||
Document doc = prv.getOwnerDocument();
|
||||
Node newNode = null;
|
||||
switch (nodeType + 1) {
|
||||
case Node.ELEMENT_NODE:
|
||||
dbg("ELEMENT");
|
||||
newNode = doc.createElement(name.getText());
|
||||
break;
|
||||
case Node.ATTRIBUTE_NODE:
|
||||
dbg("ATTRIBUTE");
|
||||
return null;
|
||||
case Node.TEXT_NODE:
|
||||
dbg("TEXT");
|
||||
newNode = doc.createTextNode(value.getText());
|
||||
break;
|
||||
case Node.CDATA_SECTION_NODE:
|
||||
dbg("CDATA_SECTION");
|
||||
return null;
|
||||
case Node.ENTITY_REFERENCE_NODE:
|
||||
dbg("ENTITY_REFERENCE");
|
||||
return null;
|
||||
case Node.ENTITY_NODE:
|
||||
dbg("ENTITY");
|
||||
return null;
|
||||
case Node.PROCESSING_INSTRUCTION_NODE:
|
||||
dbg("PROCESSING_INSTRUCTION");
|
||||
return null;
|
||||
case Node.COMMENT_NODE:
|
||||
dbg("COMMENT");
|
||||
newNode = doc.createComment(value.getText());
|
||||
break;
|
||||
case Node.DOCUMENT_NODE:
|
||||
dbg("DOCUMENT");
|
||||
return null;
|
||||
case Node.DOCUMENT_TYPE_NODE:
|
||||
dbg("DOCUMENT_TYPE");
|
||||
return null;
|
||||
case Node.DOCUMENT_FRAGMENT_NODE:
|
||||
dbg("DOCUMENT_FRAGMENT");
|
||||
return null;
|
||||
case Node.NOTATION_NODE:
|
||||
dbg("NOTATION");
|
||||
return null;
|
||||
}
|
||||
return newNode;
|
||||
}
|
||||
|
||||
private void insertNode() {
|
||||
Node newNode = createNode();
|
||||
if (newNode == null) return;
|
||||
dbg("inserting...");
|
||||
prv.getParentNode().insertBefore(newNode, prv);
|
||||
}
|
||||
|
||||
private void appendNode() {
|
||||
Node newNode = createNode();
|
||||
if (newNode == null) return;
|
||||
dbg("appending...");
|
||||
prv.appendChild(newNode);
|
||||
}
|
||||
|
||||
private void removeAttribute() {
|
||||
((Element)node).removeAttribute((String)aName.getSelectedItem());
|
||||
updateInfo(node);
|
||||
}
|
||||
|
||||
private void saveDoc() {
|
||||
if (chooser == null) {
|
||||
chooser = new JFileChooser();
|
||||
}
|
||||
int returnVal = chooser.showSaveDialog(this);
|
||||
if(returnVal == JFileChooser.APPROVE_OPTION) {
|
||||
String fileName = chooser.getSelectedFile().getPath();
|
||||
if (treeDumper == null) {
|
||||
treeDumper = new DOMTreeDumper(debug);
|
||||
}
|
||||
treeDumper.dumpToFile(fileName, node.getOwnerDocument());
|
||||
}
|
||||
}
|
||||
|
||||
private void setButtonState() {
|
||||
boolean nodeExists = (node != null);
|
||||
boolean attrExists = nodeExists && !(node.getAttributes() == null || node.getAttributes().getLength() == 0);
|
||||
type.setEnabled(nodeExists);
|
||||
newNode.setEnabled(nodeExists);
|
||||
insert.setEnabled(nodeExists);
|
||||
append.setEnabled(nodeExists);
|
||||
save.setEnabled(nodeExists);
|
||||
remove.setEnabled(nodeExists);
|
||||
set.setEnabled(attrExists);
|
||||
removeAttr.setEnabled(attrExists);
|
||||
}
|
||||
|
||||
private void dbg(String str) {
|
||||
if (debug) {
|
||||
System.out.println(str);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user