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package eu.etaxonomy.taxeditor.model;
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import org.eclipse.core.runtime.IStatus;
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import org.eclipse.jface.dialogs.ErrorDialog;
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import org.eclipse.jface.dialogs.IDialogConstants;
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import org.eclipse.jface.resource.JFaceResources;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.dnd.Clipboard;
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import org.eclipse.swt.dnd.TextTransfer;
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import org.eclipse.swt.dnd.Transfer;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.events.SelectionListener;
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import org.eclipse.swt.graphics.Point;
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import org.eclipse.swt.widgets.Button;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.List;
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import org.eclipse.swt.widgets.Shell;
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/**
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* Error dialog class specifically implemented for the editor.
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* The main difference with {@link org.eclipse.jface.dialogs.ErrorDialog} is that
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* this dialog has a fixed max height.
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*
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* @author cmathew
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*
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*/
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public class CdmErrorDialog extends ErrorDialog {
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private static final int DIALOG_MAX_HEIGHT = 500;
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private Button copyButton;
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private final String stackTrace;
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/**
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* The current clipboard. To be disposed when closing the dialog.
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*/
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private Clipboard clipboard;
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/**
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* @param parentShell
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* @param dialogTitle
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* @param message
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* @param status
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* @param stackTrace
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*/
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public CdmErrorDialog(Shell parentShell,
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String dialogTitle,
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String message,
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IStatus status,
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String stackTrace,
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boolean showStatusMessage) {
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super(parentShell,
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dialogTitle,
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message, status,
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IStatus.OK| IStatus.INFO | IStatus.WARNING | IStatus.ERROR);
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this.stackTrace = stackTrace;
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String statusMessage = "";
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if(showStatusMessage) {
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statusMessage = status.getMessage();
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}
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this.message = message == null ? statusMessage : message + "\n " + statusMessage;
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}
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/**
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* @param parentShell
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* @param dialogTitle
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* @param message
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* @param status
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*/
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public CdmErrorDialog(Shell parentShell,
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String dialogTitle,
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String message,
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IStatus status) {
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this(parentShell, dialogTitle, message, status, "", true);
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.dialogs.ErrorDialog#buttonPressed(int)
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*/
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@Override
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protected void buttonPressed(int id) {
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super.buttonPressed(id);
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if (id == IDialogConstants.DETAILS_ID) {
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Point oldSize = getShell().computeSize(SWT.DEFAULT, SWT.DEFAULT);
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// set height to max allowed
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if(getShell().getSize().y > DIALOG_MAX_HEIGHT) {
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getShell().setSize(getShell().getSize().x, 500);
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} else {
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getShell().setSize(getShell().getSize().x, oldSize.y);
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}
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}
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.dialogs.ErrorDialog#createDropDownList(org.eclipse.swt.widgets.Composite)
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*/
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@Override
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protected List createDropDownList(Composite parent) {
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List list = super.createDropDownList(parent);
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list.getMenu().getItem(0).setText(JFaceResources.getString("copy all"));
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return list;
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}
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/* (non-Javadoc)
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* @see org.eclipse.jface.dialogs.ErrorDialog#createButtonsForButtonBar(org.eclipse.swt.widgets.Composite)
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*/
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@Override
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protected void createButtonsForButtonBar(Composite parent) {
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copyButton = createButton(parent, 2000,"Copy Error", false);
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copyButton.addSelectionListener(new SelectionListener() {
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/*
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* @see SelectionListener.widgetSelected (SelectionEvent)
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*/
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@Override
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public void widgetSelected(SelectionEvent e) {
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copyStackTraceToClipboard();
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}
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/*
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* @see SelectionListener.widgetDefaultSelected(SelectionEvent)
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*/
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@Override
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public void widgetDefaultSelected(SelectionEvent e) {
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copyStackTraceToClipboard();
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}
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});
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super.createButtonsForButtonBar(parent);
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}
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/**
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* Copies the stack trace to the clipboard
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*
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*/
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private void copyStackTraceToClipboard() {
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if(stackTrace != null && !stackTrace.isEmpty()) {
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if (clipboard != null) {
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clipboard.dispose();
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}
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clipboard = new Clipboard(copyButton.getDisplay());
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clipboard.setContents(new Object[] { stackTrace },
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new Transfer[] { TextTransfer.getInstance() });
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}
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}
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}
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