Mercurial > projects > dwt-samples
annotate jface/FileTreeViewer.d @ 120:1f0a7a472680
fix rm snippets from module statements.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 20 Jul 2008 19:17:23 +0200 |
| parents | 5fe95b1ccf68 |
| children | ae94c6a65f9e |
| 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 version(TANGOSVN){ |
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39 import tango.io.FileSystem; |
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40 } |
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parents:
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41 else{ |
| 62 | 42 import tango.io.FileRoots; |
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43 } |
| 62 | 44 import tango.io.FilePath; |
| 68 | 45 import tango.util.log.Trace; |
| 62 | 46 |
| 47 import tango.util.collection.model.Seq; | |
| 48 import tango.util.collection.ArraySeq; | |
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49 import tango.text.convert.Utf; |
| 62 | 50 |
| 51 void main(){ | |
| 52 auto hw = new FileTree; | |
| 53 hw.run(); | |
| 54 } | |
| 55 | |
| 56 class FileTree : ApplicationWindow { | |
| 57 | |
| 58 TreeViewer tv; | |
| 59 | |
| 60 this(){ | |
| 61 super(null); | |
| 62 } | |
| 63 | |
| 64 public void run(){ | |
| 65 setBlockOnOpen(true); | |
| 66 open(); | |
| 67 Display.getCurrent().dispose(); | |
| 68 } | |
| 69 | |
| 70 protected void configureShell( Shell shell ){ | |
| 71 super.configureShell(shell); | |
| 72 shell.setText( "File Tree" ); | |
| 73 shell.setSize( 400, 400 ); | |
| 74 } | |
| 75 | |
| 76 protected Control createContents(Composite parent){ | |
| 77 | |
| 78 auto composite = new Composite( parent, DWT.NONE ); | |
| 79 composite.setLayout( new GridLayout(1,false)); | |
| 80 | |
| 81 // Add a checkbox to toggle whether the labels preserve case | |
| 82 auto preserveCase = new Button( composite, DWT.CHECK ); | |
| 83 preserveCase.setText( "&Preserve case" ); | |
| 84 | |
| 85 // Create the tree viewer to display the file tree | |
| 86 tv = new TreeViewer( composite ); | |
| 87 tv.getTree().setLayoutData( new GridData( GridData.FILL_BOTH )); | |
| 88 tv.setContentProvider( new FileTreeContentProvider()); | |
| 89 tv.setLabelProvider( new FileTreeLabelProvider() ); | |
| 90 tv.setInput( stringcast("root") ); | |
| 91 | |
| 92 // When user checks the checkbox, toggle the preserve case attribute | |
| 93 // of the label provider | |
| 94 preserveCase.addSelectionListener( new class SelectionAdapter{ | |
| 95 public void widgetSelected( SelectionEvent event ){ | |
| 96 auto preserveCase = (cast(Button)event.widget).getSelection(); | |
| 97 auto ftlp = cast(FileTreeLabelProvider) tv.getLabelProvider(); | |
| 98 ftlp.setPreserveCase(preserveCase); | |
| 99 } | |
| 100 }); | |
| 101 return composite; | |
| 102 } | |
| 103 } | |
| 104 | |
| 105 class FileTreeContentProvider : ITreeContentProvider { | |
| 106 public override Object[] getChildren( Object arg0 ){ | |
| 69 | 107 auto fp = cast(FilePath)arg0; |
| 62 | 108 try{ |
| 69 | 109 if( !fp.isFolder() ){ |
| 110 return null; | |
| 111 } | |
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112 Object[] res; |
| 69 | 113 foreach( item; fp ){ |
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114 res ~= FilePath.from( item ); |
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115 } |
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116 return res; |
| 62 | 117 } |
| 118 catch( Exception e ){ | |
| 119 return null; | |
| 120 } | |
| 121 } | |
| 122 | |
| 123 public override Object getParent(Object arg0 ){ | |
| 124 auto fp = cast(FilePath)arg0; | |
| 125 return fp.pop; | |
| 126 } | |
| 127 | |
| 128 public override bool hasChildren(Object arg0 ){ | |
| 129 auto obj = getChildren(arg0); | |
| 130 return obj is null ? false : obj.length > 0; | |
| 131 } | |
| 132 | |
| 133 public override Object[] getElements( Object arg0 ){ | |
| 134 Object[] res; | |
| 63 | 135 |
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parents:
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diff
changeset
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136 version(TANGOSVN){ |
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parents:
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137 foreach( root; FileSystem.roots()){ |
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parents:
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138 // ignore floppy drives, they bring up strange error messages |
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139 if( root == `A:\`|| root == `B:\` ){ |
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140 continue; |
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141 } |
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parents:
73
diff
changeset
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142 res ~= new FilePath( root ); |
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5fe95b1ccf68
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Frank Benoit <benoit@tionex.de>
parents:
73
diff
changeset
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143 } |
|
5fe95b1ccf68
Fix: compile error for tango svn
Frank Benoit <benoit@tionex.de>
parents:
73
diff
changeset
|
144 } |
|
5fe95b1ccf68
Fix: compile error for tango svn
Frank Benoit <benoit@tionex.de>
parents:
73
diff
changeset
|
145 else{ |
| 63 | 146 foreach( root; FileRoots.list()){ |
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73
9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
147 // ignore floppy drives, they bring up strange error messages |
|
9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
148 if( root == `A:\`|| root == `B:\` ){ |
|
9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
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149 continue; |
|
9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
150 } |
| 63 | 151 res ~= new FilePath( root ); |
| 152 } | |
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111
5fe95b1ccf68
Fix: compile error for tango svn
Frank Benoit <benoit@tionex.de>
parents:
73
diff
changeset
|
153 } |
| 62 | 154 return res; |
| 155 } | |
| 156 | |
| 157 public override void dispose(){ | |
| 158 } | |
| 159 | |
| 160 public override void inputChanged(Viewer arg0, Object arg1, Object arg2 ){ | |
| 161 } | |
| 162 | |
| 163 } | |
| 164 | |
| 165 class FileTreeLabelProvider : ILabelProvider { | |
| 166 | |
| 167 private Seq!(ILabelProviderListener) listeners; | |
| 168 | |
| 169 private Image file; | |
| 170 private Image dir; | |
| 171 | |
| 172 private bool preserveCase; | |
| 173 | |
| 174 public this(){ | |
| 175 listeners = new ArraySeq!(ILabelProviderListener); | |
| 176 | |
| 177 file = new Image( null, new ImageData( new ByteArrayInputStream( cast(byte[])import( "file.png" )))); | |
| 178 dir = new Image( null, new ImageData( new ByteArrayInputStream( cast(byte[])import( "folder.png" )))); | |
| 179 } | |
| 180 | |
| 181 public void setPreserveCase(bool preserveCase){ | |
| 182 this.preserveCase = preserveCase; | |
| 183 auto event = new LabelProviderChangedEvent(this); | |
| 184 for( int i = 0, n = listeners.size(); i < n; i++ ){ | |
| 185 auto ilpl = listeners.get(i); | |
| 186 ilpl.labelProviderChanged(event); | |
| 187 } | |
| 188 } | |
| 189 | |
| 190 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
|
191 auto fp = cast(FilePath)arg0; |
|
9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
192 // is a root |
|
9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
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193 if( fp.name.length is 0 ){ |
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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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194 return dir; |
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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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195 } |
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9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
196 return fp.isFolder() ? dir : file; |
| 62 | 197 } |
| 198 | |
| 199 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
|
200 auto fp = cast(FilePath)arg0; |
|
9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
201 auto text = fp.name(); |
| 70 | 202 if( text.length is 0 ){ |
| 203 // now take all info, it will be drive or the root folder | |
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73
9ff9b8f7284b
FileTreeViewer now work on windows without error dialog.
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
204 text = fp.toString(); |
| 70 | 205 } |
| 206 return preserveCase ? text : text.toUpperCase(); | |
| 62 | 207 } |
| 208 | |
| 209 public void addListener( ILabelProviderListener arg0 ){ | |
| 210 listeners.append(arg0); | |
| 211 } | |
| 212 | |
| 213 public void dispose(){ | |
| 214 if( dir !is null ) dir.dispose(); | |
| 215 if( file !is null ) file.dispose(); | |
| 216 } | |
| 217 | |
| 218 public bool isLabelProperty(Object arg0, char[] arg1){ | |
| 219 return false; | |
| 220 } | |
| 221 | |
| 222 public void removeListener(ILabelProviderListener arg0){ | |
| 223 listeners.remove(arg0); | |
| 224 } | |
| 225 } | |
| 226 | |
| 227 | |
| 228 | |
| 229 | |
| 230 | |
| 231 | |
| 232 | |
| 233 | |
| 234 | |
| 235 | |
| 236 | |
| 237 | |
| 238 | |
| 239 |