eu.etaxonomy.taxeditor.store/src/main/java/eu/etaxonomy/taxeditor/model/CdmErrorDialog.java

   1 package eu.etaxonomy.taxeditor.model;
   2
   3 import org.eclipse.core.runtime.IStatus;
   4 import org.eclipse.jface.dialogs.ErrorDialog;
   5 import org.eclipse.jface.dialogs.IDialogConstants;
   6 import org.eclipse.jface.resource.JFaceResources;
   7 import org.eclipse.swt.SWT;
   8 import org.eclipse.swt.dnd.Clipboard;
   9 import org.eclipse.swt.dnd.TextTransfer;
  10 import org.eclipse.swt.dnd.Transfer;
  11 import org.eclipse.swt.events.SelectionEvent;
  12 import org.eclipse.swt.events.SelectionListener;
  13 import org.eclipse.swt.graphics.Point;
  14 import org.eclipse.swt.widgets.Button;
  15 import org.eclipse.swt.widgets.Composite;
  16 import org.eclipse.swt.widgets.List;
  17 import org.eclipse.swt.widgets.Shell;
  18
  19 /**
  20  * Error dialog class specifically implemented for the editor.
  21  * The main difference with {@link org.eclipse.jface.dialogs.ErrorDialog} is that
  22  * this dialog has a fixed max height.
  23  *
  24  * @author cmathew
  25  *
  26  */
  27 public  class CdmErrorDialog extends ErrorDialog {
  28
  29         private static final int DIALOG_MAX_HEIGHT = 500;
  30
  31         private Button copyButton;
  32         private final String stackTrace;
  33
  34          /**
  35      * The current clipboard. To be disposed when closing the dialog.
  36      */
  37     private Clipboard clipboard;
  38
  39     /**
  40      * @param parentShell
  41      * @param dialogTitle
  42      * @param message
  43      * @param status
  44      * @param stackTrace
  45      */
  46     public CdmErrorDialog(Shell parentShell,
  47             String dialogTitle,
  48             String message,
  49             IStatus status,
  50             String stackTrace,
  51             boolean showStatusMessage) {
  52         super(parentShell,
  53                 dialogTitle,
  54                 message, status,
  55                 IStatus.OK| IStatus.INFO | IStatus.WARNING | IStatus.ERROR);
  56         this.stackTrace = stackTrace;
  57         String statusMessage = "";
  58         if(showStatusMessage) {
  59             statusMessage = status.getMessage();
  60         }
  61         this.message = message == null ? statusMessage : message + "\n " + statusMessage;
  62     }
  63
  64
  65     /**
  66      * @param parentShell
  67      * @param dialogTitle
  68      * @param message
  69      * @param status
  70      */
  71     public CdmErrorDialog(Shell parentShell,
  72             String dialogTitle,
  73             String message,
  74             IStatus status) {
  75         this(parentShell, dialogTitle, message, status, "", true);
  76     }
  77
  78         /* (non-Javadoc)
  79          * @see org.eclipse.jface.dialogs.ErrorDialog#buttonPressed(int)
  80          */
  81         @Override
  82         protected void buttonPressed(int id) {
  83                 super.buttonPressed(id);
  84                 if (id == IDialogConstants.DETAILS_ID) {
  85                         Point oldSize = getShell().computeSize(SWT.DEFAULT, SWT.DEFAULT);
  86                         // set height to max allowed
  87                         if(getShell().getSize().y > DIALOG_MAX_HEIGHT) {
  88                                 getShell().setSize(getShell().getSize().x, 500);
  89                         } else {
  90                                 getShell().setSize(getShell().getSize().x, oldSize.y);
  91                         }
  92                 }
  93
  94         }
  95
  96         /* (non-Javadoc)
  97          * @see org.eclipse.jface.dialogs.ErrorDialog#createDropDownList(org.eclipse.swt.widgets.Composite)
  98          */
  99         @Override
 100         protected List createDropDownList(Composite parent) {
 101             List list = super.createDropDownList(parent);
 102             list.getMenu().getItem(0).setText(JFaceResources.getString("copy all"));
 103             return list;
 104         }
 105
 106         /* (non-Javadoc)
 107          * @see org.eclipse.jface.dialogs.ErrorDialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite)
 108          */
 109         @Override
 110         protected void createButtonsForButtonBar(Composite parent) {
 111             copyButton = createButton(parent, 2000,"Copy Error", false);
 112             copyButton.addSelectionListener(new SelectionListener() {
 113                 /*
 114                  * @see SelectionListener.widgetSelected (SelectionEvent)
 115                  */
 116                 @Override
 117             public void widgetSelected(SelectionEvent e) {
 118                     copyStackTraceToClipboard();
 119                 }
 120                 /*
 121                  * @see SelectionListener.widgetDefaultSelected(SelectionEvent)
 122                  */
 123                 @Override
 124             public void widgetDefaultSelected(SelectionEvent e) {
 125                     copyStackTraceToClipboard();
 126                 }
 127             });
 128             super.createButtonsForButtonBar(parent);
 129         }
 130
 131
 132         /**
 133          * Copies the stack trace to the clipboard
 134          *
 135          */
 136         private void copyStackTraceToClipboard() {
 137             if(stackTrace != null && !stackTrace.isEmpty()) {
 138                 if (clipboard != null) {
 139                     clipboard.dispose();
 140                 }
 141                 clipboard = new Clipboard(copyButton.getDisplay());
 142                 clipboard.setContents(new Object[] { stackTrace },
 143                         new Transfer[] { TextTransfer.getInstance() });
 144             }
 145         }
 146
 147
 148 }