bundles/org.simantics.modeling/src/org/simantics/modeling/adapters/RemoveInstancesDialog.java

   1 package org.simantics.modeling.adapters;\r
   2 \r
   3 import org.eclipse.jface.dialogs.IDialogConstants;\r
   4 import org.eclipse.jface.dialogs.MessageDialog;\r
   5 import org.eclipse.jface.layout.GridDataFactory;\r
   6 import org.eclipse.jface.layout.GridLayoutFactory;\r
   7 import org.eclipse.jface.layout.TableColumnLayout;\r
   8 import org.eclipse.jface.resource.ImageDescriptor;\r
   9 import org.eclipse.jface.resource.JFaceResources;\r
  10 import org.eclipse.jface.resource.LocalResourceManager;\r
  11 import org.eclipse.jface.viewers.ColumnLabelProvider;\r
  12 import org.eclipse.jface.viewers.ColumnWeightData;\r
  13 import org.eclipse.jface.viewers.ISelectionChangedListener;\r
  14 import org.eclipse.jface.viewers.IStructuredContentProvider;\r
  15 import org.eclipse.jface.viewers.IStructuredSelection;\r
  16 import org.eclipse.jface.viewers.SelectionChangedEvent;\r
  17 import org.eclipse.jface.viewers.TableViewer;\r
  18 import org.eclipse.jface.viewers.TableViewerColumn;\r
  19 import org.eclipse.jface.viewers.Viewer;\r
  20 import org.eclipse.swt.SWT;\r
  21 import org.eclipse.swt.dnd.Clipboard;\r
  22 import org.eclipse.swt.dnd.TextTransfer;\r
  23 import org.eclipse.swt.dnd.Transfer;\r
  24 import org.eclipse.swt.events.SelectionAdapter;\r
  25 import org.eclipse.swt.events.SelectionEvent;\r
  26 import org.eclipse.swt.graphics.Color;\r
  27 import org.eclipse.swt.graphics.Image;\r
  28 import org.eclipse.swt.layout.GridData;\r
  29 import org.eclipse.swt.widgets.Button;\r
  30 import org.eclipse.swt.widgets.Composite;\r
  31 import org.eclipse.swt.widgets.Control;\r
  32 import org.eclipse.swt.widgets.Label;\r
  33 import org.eclipse.swt.widgets.Shell;\r
  34 import org.eclipse.swt.widgets.Text;\r
  35 import org.simantics.utils.strings.EString;\r
  36 \r
  37 /**\r
  38  * @author Tuukka Lehtonen\r
  39  */\r
  40 public class RemoveInstancesDialog extends MessageDialog {\r
  41 \r
  42         public static class Content {\r
  43                 public String label;\r
  44                 public ImageDescriptor image;\r
  45                 public String details;\r
  46 \r
  47                 public Content(String label) {\r
  48                         assert label != null;\r
  49                         this.label = label;\r
  50                 }\r
  51 \r
  52                 @Override\r
  53                 public String toString() {\r
  54                         if (details == null)\r
  55                                 return label;\r
  56                         return label + "\nDetails: " + details;\r
  57                 }\r
  58         }\r
  59 \r
  60         protected String message;\r
  61         protected boolean hasDetails; \r
  62 \r
  63         protected Content[] content;\r
  64 \r
  65         protected LocalResourceManager resourceManager;\r
  66         protected Composite tableAndButtons;\r
  67         protected Text messageText;\r
  68         protected Text detailsText;\r
  69         private GridData detailsGridData;\r
  70 \r
  71         public RemoveInstancesDialog(Shell parentShell, String dialogTitle, String dialogMessage, Content[] content) {\r
  72                 this(parentShell,\r
  73                                 dialogTitle,\r
  74                                 dialogMessage,\r
  75                                 MessageDialog.QUESTION,\r
  76                                 new String[] {\r
  77                                         IDialogConstants.PROCEED_LABEL,\r
  78                                         IDialogConstants.CANCEL_LABEL\r
  79                                 },\r
  80                                 1,\r
  81                                 content);\r
  82         }\r
  83 \r
  84         public RemoveInstancesDialog(Shell parentShell, String dialogTitle, String dialogMessage, int dialogType, String[] buttons, int defaultIndex, Content[] content) {\r
  85                 super(parentShell,\r
  86                                 dialogTitle,\r
  87                                 null,\r
  88                                 null,\r
  89                                 dialogType,\r
  90                                 buttons,\r
  91                                 defaultIndex);\r
  92 \r
  93                 this.message = dialogMessage;\r
  94                 this.content = content;\r
  95                 this.hasDetails = contentHasDetails(content);\r
  96         }\r
  97 \r
  98         private boolean contentHasDetails(Content[] content) {\r
  99                 for (Content c : content) {\r
 100                         if (c.details != null && !c.details.trim().isEmpty())\r
 101                                 return true;\r
 102                 }\r
 103                 return false;\r
 104         }\r
 105 \r
 106         @Override\r
 107         protected int getShellStyle() {\r
 108                 return super.getShellStyle() | SWT.RESIZE;\r
 109         }\r
 110 \r
 111         @Override\r
 112         protected Control createDialogArea(Composite parent) {\r
 113                 resourceManager = new LocalResourceManager(JFaceResources.getResources(), parent);\r
 114                 Composite composite = (Composite) super.createDialogArea(parent);\r
 115                 return composite;\r
 116         }\r
 117 \r
 118         @Override\r
 119         protected Control createMessageArea(Composite composite) {\r
 120                 super.createMessageArea(composite);\r
 121                 // create message\r
 122                 if (message != null) {\r
 123                         messageText = new Text(composite, getMessageLabelStyle());\r
 124                         messageText.setText(message);\r
 125                         messageText.setEditable(false);\r
 126                         GridDataFactory\r
 127                                         .fillDefaults()\r
 128                                         .align(SWT.FILL, SWT.BEGINNING)\r
 129                                         .grab(true, false)\r
 130                                         .hint(\r
 131                                                         convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH),\r
 132                                                         SWT.DEFAULT).applyTo(messageText);\r
 133                 }\r
 134                 return composite;\r
 135         }\r
 136 \r
 137         @Override\r
 138         protected Control createCustomArea(Composite parent) {\r
 139                 tableAndButtons = new Composite(parent, 0);\r
 140                 GridDataFactory.fillDefaults().grab(true, true).applyTo(tableAndButtons);\r
 141                 GridLayoutFactory.fillDefaults().numColumns(2).applyTo(tableAndButtons);\r
 142 \r
 143                 Label uses = new Label(tableAndButtons, 0);\r
 144                 uses.setText("Instances:");\r
 145                 GridDataFactory.fillDefaults().grab(true, false).span(2, 1).applyTo(uses);\r
 146 \r
 147                 TableColumnLayout ad = new TableColumnLayout();\r
 148                 Composite tableComposite = new Composite(tableAndButtons, SWT.NONE);\r
 149                 GridDataFactory.fillDefaults().grab(true, true).minSize(300, 300).applyTo(tableComposite);\r
 150                 tableComposite.setLayout(ad);\r
 151                 TableViewer viewer = new TableViewer(tableComposite, SWT.V_SCROLL | SWT.H_SCROLL | SWT.BORDER | SWT.FULL_SELECTION);\r
 152                 viewer.setContentProvider(new CP());\r
 153                 TableViewerColumn c1 = new TableViewerColumn(viewer, SWT.LEFT);\r
 154                 c1.setLabelProvider(new LP());\r
 155                 ad.setColumnData(c1.getColumn(), new ColumnWeightData(100, 100, true));\r
 156 \r
 157                 Composite buttons = new Composite(tableAndButtons, 0);\r
 158                 GridDataFactory.fillDefaults().grab(false, true).applyTo(buttons);\r
 159                 GridLayoutFactory.fillDefaults().numColumns(1).applyTo(buttons);\r
 160 \r
 161                 Button copyButton = new Button(buttons, SWT.PUSH);\r
 162                 copyButton.setText("&Copy to Clipboard");\r
 163                 copyButton.setToolTipText("Copy List Contents to Clipboard");\r
 164                 copyButton.addSelectionListener(new SelectionAdapter() {\r
 165                         @Override\r
 166                         public void widgetSelected(SelectionEvent e) {\r
 167                                 String text = EString.implode(content, String.format("%n"));\r
 168                                 Clipboard cp = new Clipboard(e.display);\r
 169                                 cp.setContents(new Object[] { text }, new Transfer[] { TextTransfer.getInstance() });\r
 170                                 cp.dispose();\r
 171                         }\r
 172                 });\r
 173 \r
 174 //              Button navigateButton = new Button(buttons, SWT.PUSH);\r
 175 //              navigateButton.setText("Go To");\r
 176 //              navigateButton.setToolTipText("Go To Selected Instances");\r
 177 \r
 178                 detailsText = new Text(tableAndButtons, SWT.BORDER | SWT.WRAP | SWT.MULTI | SWT.V_SCROLL);\r
 179                 Color bg = detailsText.getBackground();\r
 180                 detailsText.setEditable(false);\r
 181                 detailsText.setBackground(bg);\r
 182                 detailsGridData = GridDataFactory.fillDefaults().grab(true, false).hint(SWT.DEFAULT, 100).span(2, 1).create();\r
 183                 detailsText.setLayoutData(detailsGridData);\r
 184 \r
 185                 viewer.addSelectionChangedListener(new ISelectionChangedListener() {\r
 186                         @Override\r
 187                         public void selectionChanged(SelectionChangedEvent event) {\r
 188                                 IStructuredSelection sel = (IStructuredSelection) event.getSelection();\r
 189                                 Content content = (Content)(sel.getFirstElement());\r
 190                                 showDetails(content);\r
 191                         }\r
 192                 });\r
 193                 viewer.setInput(content);\r
 194 \r
 195                 detailsText.getDisplay().asyncExec(new Runnable() {\r
 196                         @Override\r
 197                         public void run() {\r
 198                                 showDetails(null);\r
 199                         }\r
 200                 });\r
 201                 return tableAndButtons;\r
 202         }\r
 203 \r
 204         protected void showDetails(Content content) {\r
 205                 if (detailsText == null || detailsText.isDisposed())\r
 206                         return;\r
 207                 if (content != null && content.details != null) {\r
 208                         detailsText.setText(content.details);\r
 209                         if (detailsGridData.exclude) {\r
 210                                 detailsGridData.exclude = false;\r
 211                                 detailsGridData.heightHint = 100;\r
 212                                 tableAndButtons.layout(true, true);\r
 213                         }\r
 214                 } else {\r
 215                         detailsText.setText("");\r
 216                         if (!detailsGridData.exclude) {\r
 217                                 detailsGridData.exclude = true;\r
 218                                 detailsGridData.heightHint = 0;\r
 219                                 detailsText.setSize(0, 0);\r
 220                                 tableAndButtons.layout(true, true);\r
 221                         }\r
 222                 }\r
 223         }\r
 224 \r
 225         protected class CP implements IStructuredContentProvider {\r
 226 \r
 227                 @Override\r
 228                 public void dispose() {\r
 229                 }\r
 230 \r
 231                 @Override\r
 232                 public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {\r
 233                 }\r
 234 \r
 235                 @Override\r
 236                 public Object[] getElements(Object inputElement) {\r
 237                         return content;\r
 238                 }\r
 239 \r
 240         }\r
 241 \r
 242         protected class LP extends ColumnLabelProvider {\r
 243                 @Override\r
 244                 public Image getImage(Object element) {\r
 245                         Content content = (Content) element;\r
 246                         return content.image != null ? (Image) resourceManager.get(content.image) : null;\r
 247                 }\r
 248                 @Override\r
 249                 public String getText(Object element) {\r
 250                         Content content = (Content) element;\r
 251                         return content.label;\r
 252                 }\r
 253         }\r
 254 \r
 255 }\r