litesoft
@ 947
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// This Source Code is in the Public Domain per: http://unlicense.org package org.litesoft.aokeyhole.swing; import java.awt.*; import java.awt.event.*; import javax.swing.*; import javax.swing.event.*; import org.litesoft.aokeyhole.objects.*; import org.litesoft.aokeyhole.objects.support.*; import org.litesoft.aokeyhole.toolkit.*; public class ObjectListAndSavePanel extends JPanel implements ObjectListUpdater, ActionListener, ListSelectionListener, ChangeCallback { private static final int PREFERRED_CHAR_WIDTH = 32; private static final String CHAR_SAMPLE = "The quick brown fox jumped over the lazy moon."; private static final JLabel CHAR_SIZER = new JLabel( CHAR_SAMPLE ); private static final String ATION_REFRESH = "Refresh"; private static final String ATION_NEW = "New Object"; private static final String ATION_SAVE = "Save All"; private ObjectListClickListener mObjectListClickListener; private int mPreferredPixelWidth; private JList mList; private JButton mSaveButton; private ObjectMetaData mLastSelectedObject = null; public ObjectListAndSavePanel( ObjectListClickListener pObjectListClickListener ) { mObjectListClickListener = pObjectListClickListener; mPreferredPixelWidth = CHAR_SIZER.getPreferredSize().width * PREFERRED_CHAR_WIDTH / CHAR_SAMPLE.length(); setLayout( new BorderLayout() ); mList = new JList( new ObjectListModel() ); mList.setSelectionMode( ListSelectionModel.SINGLE_SELECTION ); mList.addListSelectionListener( this ); JScrollPane scrollpane = new JScrollPane( mList ); scrollpane.setHorizontalScrollBarPolicy( JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED ); scrollpane.setVerticalScrollBarPolicy( JScrollPane.VERTICAL_SCROLLBAR_ALWAYS ); add( createButton( mObjectListClickListener.createNewAllowed() ? ATION_NEW : ATION_REFRESH ), BorderLayout.NORTH ); add( scrollpane ); if ( mObjectListClickListener.requestSaveAllowed() ) { add( mSaveButton = createButton( ATION_SAVE ), BorderLayout.SOUTH ); mSaveButton.setEnabled( false ); } } private JButton createButton( String pAction ) { JButton button = new JButton( pAction ); button.addActionListener( this ); return button; } private ObjectMetaData getSelection() { return (ObjectMetaData) mList.getSelectedValue(); } @Override public void changeStateUpdated( Changeable pChangeable ) { mSaveButton.setEnabled( pChangeable.isChanged() ); mList.repaint(); } @Override public void updateObjectList( ObjectMetaData[] pObjectMetaDatas ) { mList.clearSelection(); ((ObjectListModel) mList.getModel()).setMembers( pObjectMetaDatas ); mList.repaint(); if ( mLastSelectedObject != null ) { for ( ObjectMetaData zObjectMetaData : pObjectMetaDatas ) { if ( mLastSelectedObject.equals( zObjectMetaData ) ) { mList.setSelectedValue( zObjectMetaData, true ); return; } } mLastSelectedObject = null; } } @Override public void setSelectedObject( ObjectMetaData pObjectMetaData ) { if ( pObjectMetaData == null ) { clearSelectedObject(); } else { mLastSelectedObject = pObjectMetaData; mList.setSelectedValue( pObjectMetaData, true ); } } @Override public void clearSelectedObject() { mLastSelectedObject = null; mList.clearSelection(); } @Override public void actionPerformed( ActionEvent e ) { if ( ATION_REFRESH.equals( e.getActionCommand() ) ) { mObjectListClickListener.refreshRequested(); } else if ( ATION_NEW.equals( e.getActionCommand() ) ) { mObjectListClickListener.createNewRequested(); } else if ( ATION_SAVE.equals( e.getActionCommand() ) ) { mObjectListClickListener.requestSave(); } } @Override public void valueChanged( ListSelectionEvent e ) { ObjectMetaData selection = getSelection(); if ( (selection != null) && !selection.equals( mLastSelectedObject ) ) { mLastSelectedObject = selection; mObjectListClickListener.selected( selection ); } } @Override public Dimension getPreferredSize() { return new Dimension( mPreferredPixelWidth, super.getPreferredSize().height ); } private static class ObjectListModel extends AbstractListModel { private ObjectMetaData[] mMembers = ObjectMetaData.EMPTY_ARRAY; public void setMembers( ObjectMetaData[] pMembers ) { int oldLength = mMembers.length; mMembers = ObjectMetaData.EMPTY_ARRAY; if ( oldLength != 0 ) { fireIntervalRemoved( this, 0, oldLength - 1 ); } int newLength = (pMembers == null) ? 0 : pMembers.length; if ( newLength != 0 ) { mMembers = pMembers; fireIntervalAdded( this, 0, newLength - 1 ); } } @Override public int getSize() { return mMembers.length; } @Override public Object getElementAt( int index ) { return mMembers[index]; } } } |
Commits for litesoft/trunk/Java/KeyHole/src/org/litesoft/aokeyhole/swing/ObjectListAndSavePanel.java
Revision | Author | Commited | Message |
---|---|---|---|
947 Diff | GeorgeS | Fri 06 Jun, 2014 23:36:56 +0000 | Correct Spelling of package! |
49 Diff | GeorgeS | Mon 12 Apr, 2010 02:59:10 +0000 | License Text |
17 Diff | GeorgeS | Thu 18 Feb, 2010 23:54:44 +0000 | |
16 Diff | GeorgeS | Thu 18 Feb, 2010 18:40:53 +0000 | |
2 | GeorgeS | Sun 07 Feb, 2010 12:50:58 +0000 |