Mercurial > projects > dwt-samples
annotate jface/FileTreeViewer.d @ 67:224fe05ea3af
jive imports
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sat, 12 Apr 2008 04:05:17 +0200 |
| parents | a84ba4d1820f |
| children | 06688322681f |
| rev | line source |
|---|---|
| 62 | 1 module jface.FileTreeViewer; |
| 2 | |
| 3 import dwt.DWT; | |
| 4 import dwt.widgets.Label; | |
| 5 import dwt.widgets.Control; | |
| 6 import dwt.widgets.Composite; | |
| 7 import dwt.widgets.Display; | |
| 8 import dwt.widgets.Shell; | |
| 9 import dwt.widgets.Button; | |
| 10 | |
| 11 import dwt.events.SelectionAdapter; | |
| 12 import dwt.events.SelectionEvent; | |
| 13 | |
| 14 import dwt.graphics.Image; | |
| 15 import dwt.graphics.ImageData; | |
| 16 | |
| 17 import dwt.layout.GridLayout; | |
| 18 import dwt.layout.GridData; | |
| 19 | |
| 20 import dwtx.jface.window.ApplicationWindow; | |
| 21 | |
| 22 import dwtx.jface.viewers.Viewer; | |
| 23 import dwtx.jface.viewers.TreeViewer; | |
| 24 import dwtx.jface.viewers.ITreeContentProvider; | |
| 25 import dwtx.jface.viewers.ILabelProvider; | |
| 26 import dwtx.jface.viewers.ILabelProviderListener; | |
| 27 import dwtx.jface.viewers.LabelProviderChangedEvent; | |
| 28 | |
| 67 | 29 version(JIVE) import jive.stacktrace; |
| 62 | 30 |
| 31 import dwt.dwthelper.utils; | |
| 32 import dwt.dwthelper.ByteArrayInputStream; | |
| 33 | |
| 34 //------------------------------------ | |
| 35 //import dwt.dwthelper.utils; | |
| 36 //------------------------------------ | |
| 37 | |
| 38 import tango.io.FileRoots; | |
| 39 import tango.io.FilePath; | |
| 40 | |
| 41 import tango.util.collection.model.Seq; | |
| 42 import tango.util.collection.ArraySeq; | |
| 43 | |
| 44 | |
| 45 void main(){ | |
| 46 auto hw = new FileTree; | |
| 47 hw.run(); | |
| 48 } | |
| 49 | |
| 50 class FileTree : ApplicationWindow { | |
| 51 | |
| 52 TreeViewer tv; | |
| 53 | |
| 54 this(){ | |
| 55 super(null); | |
| 56 } | |
| 57 | |
| 58 public void run(){ | |
| 59 setBlockOnOpen(true); | |
| 60 open(); | |
| 61 Display.getCurrent().dispose(); | |
| 62 } | |
| 63 | |
| 64 protected void configureShell( Shell shell ){ | |
| 65 super.configureShell(shell); | |
| 66 shell.setText( "File Tree" ); | |
| 67 shell.setSize( 400, 400 ); | |
| 68 } | |
| 69 | |
| 70 protected Control createContents(Composite parent){ | |
| 71 /+ Label label = new Label( parent, DWT.CENTER ); | |
| 72 label.setText( "Hello, World" ); | |
| 73 return label;+/ | |
| 74 | |
| 75 auto composite = new Composite( parent, DWT.NONE ); | |
| 76 composite.setLayout( new GridLayout(1,false)); | |
| 77 | |
| 78 // Add a checkbox to toggle whether the labels preserve case | |
| 79 auto preserveCase = new Button( composite, DWT.CHECK ); | |
| 80 preserveCase.setText( "&Preserve case" ); | |
| 81 | |
| 82 // Create the tree viewer to display the file tree | |
| 83 tv = new TreeViewer( composite ); | |
| 84 tv.getTree().setLayoutData( new GridData( GridData.FILL_BOTH )); | |
| 85 tv.setContentProvider( new FileTreeContentProvider()); | |
| 86 tv.setLabelProvider( new FileTreeLabelProvider() ); | |
| 87 tv.setInput( stringcast("root") ); | |
| 88 | |
| 89 // When user checks the checkbox, toggle the preserve case attribute | |
| 90 // of the label provider | |
| 91 preserveCase.addSelectionListener( new class SelectionAdapter{ | |
| 92 public void widgetSelected( SelectionEvent event ){ | |
| 93 auto preserveCase = (cast(Button)event.widget).getSelection(); | |
| 94 auto ftlp = cast(FileTreeLabelProvider) tv.getLabelProvider(); | |
| 95 ftlp.setPreserveCase(preserveCase); | |
| 96 } | |
| 97 }); | |
| 98 return composite; | |
| 99 } | |
| 100 } | |
| 101 | |
| 102 class FileTreeContentProvider : ITreeContentProvider { | |
| 103 public override Object[] getChildren( Object arg0 ){ | |
| 104 try{ | |
|
65
a84ba4d1820f
restructure the dsss.conf and resources
Frank Benoit <benoit@tionex.de>
parents:
63
diff
changeset
|
105 Object[] res; |
|
a84ba4d1820f
restructure the dsss.conf and resources
Frank Benoit <benoit@tionex.de>
parents:
63
diff
changeset
|
106 foreach( item; cast(FilePath)arg0 ){ |
|
a84ba4d1820f
restructure the dsss.conf and resources
Frank Benoit <benoit@tionex.de>
parents:
63
diff
changeset
|
107 res ~= FilePath.from( item ); |
|
a84ba4d1820f
restructure the dsss.conf and resources
Frank Benoit <benoit@tionex.de>
parents:
63
diff
changeset
|
108 } |
|
a84ba4d1820f
restructure the dsss.conf and resources
Frank Benoit <benoit@tionex.de>
parents:
63
diff
changeset
|
109 return res; |
| 62 | 110 } |
| 111 catch( Exception e ){ | |
| 112 ExceptionPrintStackTrace(e); | |
| 113 return null; | |
| 114 } | |
| 115 } | |
| 116 | |
| 117 public override Object getParent(Object arg0 ){ | |
| 118 auto fp = cast(FilePath)arg0; | |
| 119 return fp.pop; | |
| 120 } | |
| 121 | |
| 122 public override bool hasChildren(Object arg0 ){ | |
| 123 auto obj = getChildren(arg0); | |
| 124 return obj is null ? false : obj.length > 0; | |
| 125 } | |
| 126 | |
| 127 public override Object[] getElements( Object arg0 ){ | |
| 128 Object[] res; | |
| 63 | 129 |
| 130 foreach( root; FileRoots.list()){ | |
| 131 res ~= new FilePath( root ); | |
| 132 } | |
| 133 | |
| 62 | 134 return res; |
| 135 } | |
| 136 | |
| 137 public override void dispose(){ | |
| 138 } | |
| 139 | |
| 140 public override void inputChanged(Viewer arg0, Object arg1, Object arg2 ){ | |
| 141 } | |
| 142 | |
| 143 } | |
| 144 | |
| 145 class FileTreeLabelProvider : ILabelProvider { | |
| 146 | |
| 147 private Seq!(ILabelProviderListener) listeners; | |
| 148 | |
| 149 private Image file; | |
| 150 private Image dir; | |
| 151 | |
| 152 private bool preserveCase; | |
| 153 | |
| 154 public this(){ | |
| 155 Trace.formatln( "trc line={} Label", __LINE__ ); | |
| 156 listeners = new ArraySeq!(ILabelProviderListener); | |
| 157 | |
| 158 file = new Image( null, new ImageData( new ByteArrayInputStream( cast(byte[])import( "file.png" )))); | |
| 159 dir = new Image( null, new ImageData( new ByteArrayInputStream( cast(byte[])import( "folder.png" )))); | |
| 160 } | |
| 161 | |
| 162 public void setPreserveCase(bool preserveCase){ | |
| 163 Trace.formatln( "trc line={} Label", __LINE__ ); | |
| 164 this.preserveCase = preserveCase; | |
| 165 auto event = new LabelProviderChangedEvent(this); | |
| 166 for( int i = 0, n = listeners.size(); i < n; i++ ){ | |
| 167 auto ilpl = listeners.get(i); | |
| 168 ilpl.labelProviderChanged(event); | |
| 169 } | |
| 170 } | |
| 171 | |
| 172 public override Image getImage(Object arg0){ | |
| 173 Trace.formatln( "trc line={} Label", __LINE__ ); | |
| 174 return (cast(FilePath)arg0).isFolder() ? dir : file; | |
| 175 } | |
| 176 | |
| 177 public override char[] getText(Object arg0){ | |
| 178 auto text = (cast(FilePath)arg0).name(); | |
| 179 // if( text.length is 0 ){ | |
| 180 // text = (cast(FilePath)arg0).pop.name(); | |
| 181 // } | |
| 182 Trace.formatln( "name={} ", text ); | |
| 183 Trace.formatln( "trc line={} Label", __LINE__ ); | |
| 184 return "x" ~ (preserveCase ? text : text.toUpperCase()); | |
| 185 } | |
| 186 | |
| 187 public void addListener( ILabelProviderListener arg0 ){ | |
| 188 listeners.append(arg0); | |
| 189 } | |
| 190 | |
| 191 public void dispose(){ | |
| 192 if( dir !is null ) dir.dispose(); | |
| 193 if( file !is null ) file.dispose(); | |
| 194 } | |
| 195 | |
| 196 public bool isLabelProperty(Object arg0, char[] arg1){ | |
| 197 return false; | |
| 198 } | |
| 199 | |
| 200 public void removeListener(ILabelProviderListener arg0){ | |
| 201 listeners.remove(arg0); | |
| 202 } | |
| 203 } | |
| 204 | |
| 205 | |
| 206 | |
| 207 | |
| 208 | |
| 209 | |
| 210 | |
| 211 | |
| 212 | |
| 213 | |
| 214 | |
| 215 | |
| 216 | |
| 217 |