projects/dwt-samples: jface/FileTreeViewer.d comparison

comparison jface/FileTreeViewer.d @ 62:caaf053c44d6

more examples

author	Frank Benoit <benoit@tionex.de>
date	Fri, 11 Apr 2008 17:08:20 +0200
parents
children	59ae5360d98f

comparison

equal deleted inserted replaced

-:ffb8196501b3
+:caaf053c44d6
+module jface.FileTreeViewer;
+import dwt.DWT;
+import dwt.widgets.Label;
+import dwt.widgets.Control;
+import dwt.widgets.Composite;
+import dwt.widgets.Display;
+import dwt.widgets.Shell;
+import dwt.widgets.Button;
+import dwt.events.SelectionAdapter;
+import dwt.events.SelectionEvent;
+import dwt.graphics.Image;
+import dwt.graphics.ImageData;
+import dwt.layout.GridLayout;
+import dwt.layout.GridData;
+import dwtx.jface.window.ApplicationWindow;
+import dwtx.jface.viewers.Viewer;
+import dwtx.jface.viewers.TreeViewer;
+import dwtx.jface.viewers.ITreeContentProvider;
+import dwtx.jface.viewers.ILabelProvider;
+import dwtx.jface.viewers.ILabelProviderListener;
+import dwtx.jface.viewers.LabelProviderChangedEvent;
+import jive.stacktrace;
+import dwt.dwthelper.utils;
+import dwt.dwthelper.ByteArrayInputStream;
+//------------------------------------
+//import dwt.dwthelper.utils;
+//------------------------------------
+import tango.io.FileRoots;
+import tango.io.FilePath;
+import tango.util.collection.model.Seq;
+import tango.util.collection.ArraySeq;
+void main(){
+auto hw = new FileTree;
+hw.run();
+}
+class FileTree : ApplicationWindow {
+TreeViewer tv;
+this(){
+super(null);
+}
+public void run(){
+setBlockOnOpen(true);
+open();
+Display.getCurrent().dispose();
+}
+protected void configureShell( Shell shell ){
+super.configureShell(shell);
+shell.setText( "File Tree" );
+shell.setSize( 400, 400 );
+}
+protected Control createContents(Composite parent){
+/+        Label label = new Label( parent, DWT.CENTER );
+label.setText( "Hello, World" );
+return label;+/
+auto composite = new Composite( parent, DWT.NONE );
+composite.setLayout( new GridLayout(1,false));
+// Add a checkbox to toggle whether the labels preserve case
+auto preserveCase = new Button( composite, DWT.CHECK );
+preserveCase.setText( "&Preserve case" );
+// Create the tree viewer to display the file tree
+tv = new TreeViewer( composite );
+tv.getTree().setLayoutData( new GridData( GridData.FILL_BOTH ));
+tv.setContentProvider( new FileTreeContentProvider());
+tv.setLabelProvider( new FileTreeLabelProvider() );
+tv.setInput( stringcast("root") );
+// When user checks the checkbox, toggle the preserve case attribute
+// of the label provider
+preserveCase.addSelectionListener( new class SelectionAdapter{
+public void widgetSelected( SelectionEvent event ){
+auto preserveCase = (cast(Button)event.widget).getSelection();
+auto ftlp = cast(FileTreeLabelProvider) tv.getLabelProvider();
+ftlp.setPreserveCase(preserveCase);
+}
+});
+return composite;
+}
+}
+class FileTreeContentProvider : ITreeContentProvider {
+public override Object[] getChildren( Object arg0 ){
+Trace.formatln( "trc line={} ", __LINE__ );
+try{
+auto fp = cast(FilePath)arg0;
+Object[] res;
+if( !fp.isFolder()) {
+return null;
+}
+foreach( item; fp ){
+res ~= FilePath.from( item );
+}
+Trace.formatln( "trc line={} ", __LINE__ );
+return res;
+}
+catch( Exception e ){
+ExceptionPrintStackTrace(e);
+return null;
+}
+}
+public override Object getParent(Object arg0 ){
+Trace.formatln( "trc line={} ", __LINE__ );
+auto fp = cast(FilePath)arg0;
+return fp.pop;
+}
+public override bool hasChildren(Object arg0 ){
+Trace.formatln( "trc line={} ", __LINE__ );
+auto obj = getChildren(arg0);
+return obj is null ? false : obj.length > 0;
+}
+public override Object[] getElements( Object arg0 ){
+Trace.formatln( "trc line={} ", __LINE__ );
+Object[] res;
+res ~= new FilePath( "/" );
+//         foreach( root; FileRoots.list()){
+//             res ~= new FilePath( root );
+//         }
+return res;
+}
+public override void dispose(){
+}
+public override void inputChanged(Viewer arg0, Object arg1, Object arg2 ){
+}
+}
+class FileTreeLabelProvider : ILabelProvider {
+private Seq!(ILabelProviderListener) listeners;
+private Image file;
+private Image dir;
+private bool preserveCase;
+public this(){
+Trace.formatln( "trc line={} Label", __LINE__ );
+listeners = new ArraySeq!(ILabelProviderListener);
+file = new Image( null, new ImageData( new ByteArrayInputStream( cast(byte[])import( "file.png" ))));
+dir = new Image( null, new ImageData( new ByteArrayInputStream( cast(byte[])import( "folder.png" ))));
+}
+public void setPreserveCase(bool preserveCase){
+Trace.formatln( "trc line={} Label", __LINE__ );
+this.preserveCase = preserveCase;
+auto event = new LabelProviderChangedEvent(this);
+for( int i = 0, n = listeners.size(); i < n; i++ ){
+auto ilpl = listeners.get(i);
+ilpl.labelProviderChanged(event);
+}
+}
+public override Image getImage(Object arg0){
+Trace.formatln( "trc line={} Label", __LINE__ );
+return (cast(FilePath)arg0).isFolder() ? dir : file;
+}
+public override char[] getText(Object arg0){
+auto text = (cast(FilePath)arg0).name();
+//         if( text.length is 0 ){
+//             text = (cast(FilePath)arg0).pop.name();
+//         }
+Trace.formatln( "name={} ", text );
+Trace.formatln( "trc line={} Label", __LINE__ );
+return "x" ~ (preserveCase ? text : text.toUpperCase());
+}
+public void addListener( ILabelProviderListener arg0 ){
+listeners.append(arg0);
+}
+public void dispose(){
+if( dir !is null ) dir.dispose();
+if( file !is null ) file.dispose();
+}
+public bool isLabelProperty(Object arg0, char[] arg1){
+return false;
+}
+public void removeListener(ILabelProviderListener arg0){
+listeners.remove(arg0);
+}
+}

Mercurial > projects > dwt-samples

comparison jface/FileTreeViewer.d @ 62:caaf053c44d6