/*
* @(#)MimePanel.java 1.4 02/08/21
*
* Copyright (c) 1996-2002 Sun Microsystems, Inc. All rights reserved.
*/
package jmapps.registry;
import java.util.*;
import java.awt.*;
import java.awt.List;
import java.awt.event.*;
import javax.media.*;
import com.sun.media.MimeManager;
import com.sun.media.util.JMFI18N;
import jmapps.ui.*;
public class MimePanel extends JMPanel implements ActionListener, ItemListener, TextListener {
private Hashtable htMimeTypes;
private Button buttonRestore;
private Button buttonCommit;
private Button buttonAdd;
private Button buttonRemove;
private List listBoxMimeType;
private TextField textMimeType;
private List listBoxMimeExt;
private TextField textMimeExt;
public MimePanel() {
super ();
init ();
}
private void init () {
Panel panel;
Panel panelData;
this.setLayout ( new BorderLayout(6,6) );
panel = createPanelButtons ();
this.add ( panel, BorderLayout.EAST );
panelData = new Panel ( new GridLayout(1,0,12,12) );
this.add ( panelData, BorderLayout.CENTER );
panel = createPanelMimeTypes ();
panelData.add ( panel );
panel = createPanelMimeExt ();
panelData.add ( panel );
restore ();
updateButtons ();
}
private Panel createPanelButtons () {
Panel panelButtons;
Panel panel;
panelButtons = new Panel ( new FlowLayout(FlowLayout.LEFT) );
panel = new Panel ( new GridLayout(0,1,12,12) );
panelButtons.add ( panel );
buttonAdd = new Button ( JMFI18N.getResource("jmfregistry.vector.add") );
buttonAdd.addActionListener ( this );
panel.add ( buttonAdd );
buttonRemove = new Button ( JMFI18N.getResource("jmfregistry.vector.remove") );
buttonRemove.addActionListener ( this );
panel.add ( buttonRemove );
buttonRestore = new Button ( JMFI18N.getResource("jmfregistry.vector.restore") );
buttonRestore.addActionListener ( this );
// panel.add ( buttonRestore );
buttonCommit = new Button ( JMFI18N.getResource("jmfregistry.vector.commit") );
buttonCommit.addActionListener ( this );
panel.add ( buttonCommit );
return ( panelButtons );
}
private Panel createPanelMimeTypes () {
Panel panel;
Panel panelTemp;
Label label;
panel = new Panel ( new BorderLayout(6,6) );
panelTemp = new Panel ( new BorderLayout(6,6) );
panel.add ( panelTemp, BorderLayout.NORTH );
label = new Label ( JMFI18N.getResource("jmfregistry.mime.type.label") );
panelTemp.add ( label, BorderLayout.NORTH );
textMimeType = new TextField ();
textMimeType.addTextListener ( this );
panelTemp.add ( textMimeType, BorderLayout.CENTER );
listBoxMimeType = new List ();
listBoxMimeType.addItemListener ( this );
panel.add ( listBoxMimeType, BorderLayout.CENTER );
return ( panel );
}
private Panel createPanelMimeExt () {
Label label;
Panel panel;
Panel panelTemp;
panel = new Panel ( new BorderLayout(6,6) );
panelTemp = new Panel ( new BorderLayout(6,6) );
panel.add ( panelTemp, BorderLayout.NORTH );
label = new Label ( JMFI18N.getResource("jmfregistry.mime.ext.label") );
panelTemp.add ( label, BorderLayout.NORTH );
textMimeExt = new TextField ();
textMimeExt.addTextListener ( this );
panelTemp.add ( textMimeExt, BorderLayout.CENTER );
listBoxMimeExt = new List ();
listBoxMimeExt.addItemListener ( this );
panel.add ( listBoxMimeExt, BorderLayout.CENTER );
return ( panel );
}
public void actionPerformed ( ActionEvent event ) {
String strCmd;
Object objSource;
objSource = event.getSource ();
strCmd = event.getActionCommand ();
if ( strCmd.equals(buttonRestore.getActionCommand()) )
restore ();
if ( strCmd.equals(buttonCommit.getActionCommand()) )
MimeManager.commit();
else if ( objSource == buttonAdd )
addExt ();
else if ( objSource == buttonRemove )
removeExt ();
updateButtons ();
}
public void itemStateChanged ( ItemEvent event ) {
Object objSource;
String strValue;
objSource = event.getSource ();
if ( objSource == listBoxMimeType ) {
strValue = listBoxMimeType.getSelectedItem ();
textMimeType.setText ( strValue );
fillExtList ();
}
else if ( objSource == listBoxMimeExt ) {
strValue = listBoxMimeExt.getSelectedItem ();
textMimeExt.setText ( strValue );
}
updateButtons ();
}
public void textValueChanged ( TextEvent event ) {
updateButtons ();
}
private void restore () {
Hashtable htMimeExt;
Enumeration enumKeys;
Object objExt;
Object objType;
String strExt;
String strType;
Vector vectorExt;
htMimeExt = MimeManager.getMimeTable ();
htMimeTypes = new Hashtable ();
enumKeys = htMimeExt.keys ();
while ( enumKeys.hasMoreElements() ) {
objExt = enumKeys.nextElement ();
objType = htMimeExt.get ( objExt );
strExt = objExt.toString ();
strType = objType.toString ();
if ( htMimeTypes.containsKey(strType) ) {
vectorExt = (Vector)htMimeTypes.get ( strType );
}
else {
vectorExt = new Vector ();
htMimeTypes.put ( strType, vectorExt );
}
if ( !vectorExt.contains(strExt) )
vectorExt.addElement ( strExt );
}
fillTypeList ();
}
private void fillTypeList () {
Enumeration enumKeys;
Object objType;
listBoxMimeType.removeAll ();
enumKeys = htMimeTypes.keys();
while ( enumKeys.hasMoreElements() ) {
objType = enumKeys.nextElement ();
listBoxMimeType.add ( objType.toString() );
}
// if ( listBoxMimeType.getItemCount() > 0 )
// listBoxMimeType.select ( 0 );
// fillExtList ();
}
private void fillExtList () {
int i;
int nCount;
String strType;
Vector vectorExt;
Object objExt;
listBoxMimeExt.removeAll ();
strType = listBoxMimeType.getSelectedItem ();
if ( strType == null )
return;
vectorExt = (Vector) htMimeTypes.get ( strType );
nCount = vectorExt.size ();
for ( i = 0; i < nCount; i++ ) {
objExt = vectorExt.elementAt ( i );
listBoxMimeExt.add ( objExt.toString() );
}
// if ( listBoxMimeExt.getItemCount() > 0 )
// listBoxMimeExt.select ( 0 );
}
private void addType () {
String strType;
Vector vectorExt;
strType = textMimeType.getText().trim();
if ( strType.length() < 1 )
return;
if ( !htMimeTypes.containsKey(strType) ) {
vectorExt = new Vector ();
htMimeTypes.put ( strType, vectorExt );
listBoxMimeType.add ( strType );
}
selectItem ( listBoxMimeType, strType );
fillExtList ();
}
private void removeType () {
int i;
int nCount;
String strType;
String strExt;
Vector vectorExt;
boolean boolResult = true;
strType = textMimeType.getText().trim();
if ( strType.length() < 1 )
return;
vectorExt = (Vector) htMimeTypes.get ( strType );
nCount = vectorExt.size ();
for ( i = nCount - 1; i >= 0; i-- ) {
strExt = (String) vectorExt.elementAt ( i );
boolResult = MimeManager.removeMimeType ( strExt );
if ( boolResult == true ) {
vectorExt.removeElement ( strExt );
listBoxMimeExt.remove ( strExt );
}
}
nCount = vectorExt.size ();
if ( nCount > 0 ) {
listBoxMimeExt.select ( 0 );
MessageDialog.createErrorDialog ( new Frame(),
JMFI18N.getResource("jmfregistry.appname"),
JMFI18N.getResource("jmfregistry.error.removeitem") );
}
else {
htMimeTypes.remove ( strType );
i = getItemIndex ( listBoxMimeType, strType );
listBoxMimeType.remove ( strType );
// if ( i >= listBoxMimeType.getItemCount() )
// i = listBoxMimeType.getItemCount() - 1;
// if ( i >= 0 ) {
// listBoxMimeType.select ( i );
// fillExtList();
// }
}
}
private void addExt () {
String strType;
String strExt;
Vector vectorExt;
boolean boolResult = true;
strExt = textMimeExt.getText().trim();
if ( strExt.length() < 1 )
return;
strType = textMimeType.getText().trim();
if ( strType.length() < 1 )
return;
if ( !(htMimeTypes.containsKey(strType)) )
addType ();
if ( !(htMimeTypes.containsKey(strType)) )
return;
vectorExt = (Vector) htMimeTypes.get ( strType );
if ( !vectorExt.contains(strExt) ) {
boolResult = MimeManager.addMimeType ( strExt, strType );
if ( boolResult == true ) {
vectorExt.addElement ( strExt );
listBoxMimeExt.add ( strExt );
}
else {
MessageDialog.createErrorDialog ( new Frame(),
JMFI18N.getResource("jmfregistry.appname"),
JMFI18N.getResource("jmfregistry.error.additem") );
}
}
if ( boolResult == true )
selectItem ( listBoxMimeExt, strExt );
}
private void removeExt () {
int i;
String strType;
String strExt;
Vector vectorExt;
boolean boolResult = true;
strExt = textMimeExt.getText().trim();
if ( strExt.length() < 1 )
return;
strType = textMimeType.getText().trim();
if ( strType.length() < 1 )
return;
if ( !(htMimeTypes.containsKey(strType)) )
return;
vectorExt = (Vector) htMimeTypes.get ( strType );
if ( !vectorExt.contains(strExt) )
return;
boolResult = MimeManager.removeMimeType ( strExt );
if ( boolResult == true ) {
vectorExt.removeElement ( strExt );
i = getItemIndex ( listBoxMimeExt, strExt );
listBoxMimeExt.remove ( strExt );
// if ( i >= listBoxMimeExt.getItemCount() )
// i = listBoxMimeExt.getItemCount() - 1;
// if ( i >= 0 )
// listBoxMimeExt.select ( i );
if ( vectorExt.isEmpty() )
removeType ();
}
else {
MessageDialog.createErrorDialog ( new Frame(),
JMFI18N.getResource("jmfregistry.appname"),
JMFI18N.getResource("jmfregistry.error.removeitem") );
}
}
private void selectItem ( List listBox, String strItemSel ) {
int i;
i = getItemIndex ( listBox, strItemSel );
if ( i >= 0 )
listBox.select ( i );
}
private int getItemIndex ( List listBox, String strItemSel ) {
int i;
int nCount;
String strItem;
nCount = listBox.getItemCount ();
for ( i = 0; i < nCount; i++ ) {
strItem = listBox.getItem ( i );
if ( strItem.equals(strItemSel) )
return ( i );
}
return ( -1 );
}
private void updateButtons () {
String strType;
String strExt;
Vector vectorExt;
boolean boolAddEnable;
boolean boolRemoveEnable;
strExt = textMimeExt.getText().trim();
strType = textMimeType.getText().trim();
if ( strExt.length() > 1 && strType.length() > 1 ) {
boolAddEnable = true;
boolRemoveEnable = true;
}
else {
boolAddEnable = false;
boolRemoveEnable = false;
}
if ( htMimeTypes.containsKey(strType) ) {
vectorExt = (Vector) htMimeTypes.get ( strType );
if ( vectorExt.contains(strExt) )
boolAddEnable = false;
else
boolRemoveEnable = false;
}
else {
boolRemoveEnable = false;
}
buttonAdd.setEnabled ( boolAddEnable );
buttonRemove.setEnabled ( boolRemoveEnable );
}
}
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