Mercurial > projects > dwt-samples
annotate jface/FileTreeViewer.d @ 136:7931ee9b41e6
Fix path handling, thanks yidabu for reporting.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 03 Aug 2008 04:38:21 +0200 |
| parents | ae94c6a65f9e |
| children | 42c3056512ba |
| 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 | |
|
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38 import tango.io.FileSystem; |
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136
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39 import tango.io.Path; |
| 62 | 40 import tango.io.FilePath; |
| 68 | 41 import tango.util.log.Trace; |
| 62 | 42 |
| 43 import tango.util.collection.model.Seq; | |
| 44 import tango.util.collection.ArraySeq; | |
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45 import tango.text.convert.Utf; |
| 62 | 46 |
| 47 void main(){ | |
| 48 auto hw = new FileTree; | |
| 49 hw.run(); | |
| 50 } | |
| 51 | |
| 52 class FileTree : ApplicationWindow { | |
| 53 | |
| 54 TreeViewer tv; | |
| 55 | |
| 56 this(){ | |
| 57 super(null); | |
| 58 } | |
| 59 | |
| 60 public void run(){ | |
| 61 setBlockOnOpen(true); | |
| 62 open(); | |
| 63 Display.getCurrent().dispose(); | |
| 64 } | |
| 65 | |
| 66 protected void configureShell( Shell shell ){ | |
| 67 super.configureShell(shell); | |
| 68 shell.setText( "File Tree" ); | |
| 69 shell.setSize( 400, 400 ); | |
| 70 } | |
| 71 | |
| 72 protected Control createContents(Composite parent){ | |
| 73 | |
| 74 auto composite = new Composite( parent, DWT.NONE ); | |
| 75 composite.setLayout( new GridLayout(1,false)); | |
| 76 | |
| 77 // Add a checkbox to toggle whether the labels preserve case | |
| 78 auto preserveCase = new Button( composite, DWT.CHECK ); | |
| 79 preserveCase.setText( "&Preserve case" ); | |
| 80 | |
| 81 // Create the tree viewer to display the file tree | |
| 82 tv = new TreeViewer( composite ); | |
| 83 tv.getTree().setLayoutData( new GridData( GridData.FILL_BOTH )); | |
| 84 tv.setContentProvider( new FileTreeContentProvider()); | |
| 85 tv.setLabelProvider( new FileTreeLabelProvider() ); | |
| 86 tv.setInput( stringcast("root") ); | |
| 87 | |
| 88 // When user checks the checkbox, toggle the preserve case attribute | |
| 89 // of the label provider | |
| 90 preserveCase.addSelectionListener( new class SelectionAdapter{ | |
| 91 public void widgetSelected( SelectionEvent event ){ | |
| 92 auto preserveCase = (cast(Button)event.widget).getSelection(); | |
| 93 auto ftlp = cast(FileTreeLabelProvider) tv.getLabelProvider(); | |
| 94 ftlp.setPreserveCase(preserveCase); | |
| 95 } | |
| 96 }); | |
| 97 return composite; | |
| 98 } | |
| 99 } | |
| 100 | |
| 101 class FileTreeContentProvider : ITreeContentProvider { | |
| 102 public override Object[] getChildren( Object arg0 ){ | |
| 69 | 103 auto fp = cast(FilePath)arg0; |
| 62 | 104 try{ |
| 69 | 105 if( !fp.isFolder() ){ |
| 106 return null; | |
| 107 } | |
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108 Object[] res; |
| 69 | 109 foreach( item; fp ){ |
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110 res ~= FilePath.from( item ); |
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111 } |
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112 return res; |
| 62 | 113 } |
| 114 catch( Exception e ){ | |
| 115 return null; | |
| 116 } | |
| 117 } | |
| 118 | |
| 119 public override Object getParent(Object arg0 ){ | |
| 120 auto fp = cast(FilePath)arg0; | |
| 121 return fp.pop; | |
| 122 } | |
| 123 | |
| 124 public override bool hasChildren(Object arg0 ){ | |
| 125 auto obj = getChildren(arg0); | |
| 126 return obj is null ? false : obj.length > 0; | |
| 127 } | |
| 128 | |
| 129 public override Object[] getElements( Object arg0 ){ | |
| 130 Object[] res; | |
| 63 | 131 |
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132 foreach( root; FileSystem.roots()){ |
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133 // ignore floppy drives, they bring up strange error messages |
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134 if( root == `A:\`|| root == `B:\` ){ |
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parents:
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135 continue; |
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parents:
73
diff
changeset
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136 } |
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136
7931ee9b41e6
Fix path handling, thanks yidabu for reporting.
Frank Benoit <benoit@tionex.de>
parents:
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diff
changeset
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137 res ~= new FilePath( tango.io.Path.standard( root )); |
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111
5fe95b1ccf68
Fix: compile error for tango svn
Frank Benoit <benoit@tionex.de>
parents:
73
diff
changeset
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138 } |
| 62 | 139 return res; |
| 140 } | |
| 141 | |
| 142 public override void dispose(){ | |
| 143 } | |
| 144 | |
| 145 public override void inputChanged(Viewer arg0, Object arg1, Object arg2 ){ | |
| 146 } | |
| 147 | |
| 148 } | |
| 149 | |
| 150 class FileTreeLabelProvider : ILabelProvider { | |
| 151 | |
| 152 private Seq!(ILabelProviderListener) listeners; | |
| 153 | |
| 154 private Image file; | |
| 155 private Image dir; | |
| 156 | |
| 157 private bool preserveCase; | |
| 158 | |
| 159 public this(){ | |
| 160 listeners = new ArraySeq!(ILabelProviderListener); | |
| 161 | |
| 162 file = new Image( null, new ImageData( new ByteArrayInputStream( cast(byte[])import( "file.png" )))); | |
| 163 dir = new Image( null, new ImageData( new ByteArrayInputStream( cast(byte[])import( "folder.png" )))); | |
| 164 } | |
| 165 | |
| 166 public void setPreserveCase(bool preserveCase){ | |
| 167 this.preserveCase = preserveCase; | |
| 168 auto event = new LabelProviderChangedEvent(this); | |
| 169 for( int i = 0, n = listeners.size(); i < n; i++ ){ | |
| 170 auto ilpl = listeners.get(i); | |
| 171 ilpl.labelProviderChanged(event); | |
| 172 } | |
| 173 } | |
| 174 | |
| 175 public override Image getImage(Object arg0){ | |
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73
9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
176 auto fp = cast(FilePath)arg0; |
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9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
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177 // is a root |
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9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
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178 if( fp.name.length is 0 ){ |
|
9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
179 return dir; |
|
9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
180 } |
|
9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
181 return fp.isFolder() ? dir : file; |
| 62 | 182 } |
| 183 | |
| 184 public override char[] getText(Object arg0){ | |
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73
9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
185 auto fp = cast(FilePath)arg0; |
|
9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
186 auto text = fp.name(); |
| 70 | 187 if( text.length is 0 ){ |
| 188 // now take all info, it will be drive or the root folder | |
|
73
9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
189 text = fp.toString(); |
| 70 | 190 } |
| 191 return preserveCase ? text : text.toUpperCase(); | |
| 62 | 192 } |
| 193 | |
| 194 public void addListener( ILabelProviderListener arg0 ){ | |
| 195 listeners.append(arg0); | |
| 196 } | |
| 197 | |
| 198 public void dispose(){ | |
| 199 if( dir !is null ) dir.dispose(); | |
| 200 if( file !is null ) file.dispose(); | |
| 201 } | |
| 202 | |
| 203 public bool isLabelProperty(Object arg0, char[] arg1){ | |
| 204 return false; | |
| 205 } | |
| 206 | |
| 207 public void removeListener(ILabelProviderListener arg0){ | |
| 208 listeners.remove(arg0); | |
| 209 } | |
| 210 } | |
| 211 | |
| 212 | |
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