Mercurial > projects > dwt-addons
view dwtx/jface/util/SafeRunnableDialog.d @ 70:46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
author | Frank Benoit <benoit@tionex.de> |
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date | Thu, 22 May 2008 01:36:46 +0200 |
parents | ea8ff534f622 |
children | 04b47443bb01 |
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/******************************************************************************* * Copyright (c) 2000, 2007 IBM Corporation and others. * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/epl-v10.html * * Contributors: * IBM Corporation - initial API and implementation * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module dwtx.jface.util.SafeRunnableDialog; import tango.util.collection.model.Seq; import tango.util.collection.ArraySeq; import dwt.DWT; import dwt.graphics.Point; import dwt.layout.GridData; import dwt.widgets.Button; import dwt.widgets.Composite; import dwt.widgets.Control; import dwtx.core.runtime.IStatus; import dwtx.jface.dialogs.ErrorDialog; import dwtx.jface.dialogs.IDialogConstants; import dwtx.jface.resource.JFaceResources; import dwtx.jface.viewers.CellLabelProvider; import dwtx.jface.viewers.ISelection; import dwtx.jface.viewers.ISelectionChangedListener; import dwtx.jface.viewers.IStructuredContentProvider; import dwtx.jface.viewers.IStructuredSelection; import dwtx.jface.viewers.SelectionChangedEvent; import dwtx.jface.viewers.TableViewer; import dwtx.jface.viewers.Viewer; import dwtx.jface.viewers.ViewerCell; import dwtx.jface.viewers.ViewerComparator; import dwtx.jface.util.Util; import dwt.dwthelper.utils; /** * SafeRunnableDialog is a dialog that can show the results of multiple safe * runnable errors. * */ class SafeRunnableDialog : ErrorDialog { private TableViewer statusListViewer; private Seq!(IStatus) statuses; /** * Create a new instance of the receiver on a status. * * @param status * The status to display. */ this(IStatus status) { super(null, JFaceResources.getString("error"), status.getMessage(), //$NON-NLS-1$ status, IStatus.ERROR); statuses = new ArraySeq!(IStatus); setShellStyle(DWT.DIALOG_TRIM | DWT.MODELESS | DWT.RESIZE | DWT.MIN | DWT.MAX | getDefaultOrientation()); setStatus(status); statuses.append(status); setBlockOnOpen(false); String reason = JFaceResources .getString("SafeRunnableDialog_checkDetailsMessage"); //$NON-NLS-1$ if (status.getException() !is null) { reason = status.getException().msg is null ? status .getException().toString() : status.getException() .msg; } this.message = JFaceResources.format(JFaceResources .getString("SafeRunnableDialog_reason"), [ //$NON-NLS-1$ status.getMessage(), reason ]); } /** * Method which should be invoked when new errors become available for * display */ void refresh() { if (AUTOMATED_MODE) return; createStatusList(cast(Composite) dialogArea); updateEnablements(); } /* * (non-Javadoc) * * @see dwtx.jface.dialogs.ErrorDialog#createDialogArea(dwt.widgets.Composite) */ protected override Control createDialogArea(Composite parent) { Control area = super.createDialogArea(parent); createStatusList(cast(Composite) area); return area; } /** * Create the status list if required. * * @param parent * the Control to create it in. */ private void createStatusList(Composite parent) { if (isMultipleStatusDialog()) { if (statusListViewer is null) { // The job list doesn't exist so create it. setMessage(JFaceResources .getString("SafeRunnableDialog_MultipleErrorsMessage")); //$NON-NLS-1$ getShell() .setText( JFaceResources .getString("SafeRunnableDialog_MultipleErrorsTitle")); //$NON-NLS-1$ createStatusListArea(parent); showDetailsArea(); } refreshStatusList(); } } /* * Update the button enablements */ private void updateEnablements() { Button details = getButton(IDialogConstants.DETAILS_ID); if (details !is null) { details.setEnabled(true); } } /** * This method sets the message in the message label. * * @param messageString - * the String for the message area */ private void setMessage(String messageString) { // must not set null text in a label message = messageString is null ? "" : messageString; //$NON-NLS-1$ if (messageLabel is null || messageLabel.isDisposed()) { return; } messageLabel.setText(message); } /** * Create an area that allow the user to select one of multiple jobs that * have reported errors * * @param parent - * the parent of the area */ private void createStatusListArea(Composite parent) { // Display a list of jobs that have reported errors statusListViewer = new TableViewer(parent, DWT.SINGLE | DWT.H_SCROLL | DWT.V_SCROLL | DWT.BORDER); statusListViewer.setComparator(getViewerComparator()); Control control = statusListViewer.getControl(); GridData data = new GridData(GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL); data.heightHint = convertHeightInCharsToPixels(10); control.setLayoutData(data); statusListViewer.setContentProvider(getStatusContentProvider()); statusListViewer.setLabelProvider(getStatusListLabelProvider()); statusListViewer .addSelectionChangedListener(new class ISelectionChangedListener { public void selectionChanged(SelectionChangedEvent event) { handleSelectionChange(); } }); applyDialogFont(parent); statusListViewer.setInput(this); } /** * Return the label provider for the status list. * * @return CellLabelProvider */ private CellLabelProvider getStatusListLabelProvider() { return new class CellLabelProvider { /* * (non-Javadoc) * * @see dwtx.jface.viewers.CellLabelProvider#update(dwtx.jface.viewers.ViewerCell) */ public void update(ViewerCell cell) { cell.setText((cast(IStatus) cell.getElement()).getMessage()); } }; } /** * Return the content provider for the statuses. * * @return IStructuredContentProvider */ private IStructuredContentProvider getStatusContentProvider() { return new class IStructuredContentProvider { /* * (non-Javadoc) * * @see dwtx.jface.viewers.IStructuredContentProvider#getElements(java.lang.Object) */ public Object[] getElements(Object inputElement) { Object[] res = new Object[ statuses.size() ]; int idx; foreach( st; statuses ){ res[idx] = cast(Object)st; idx++; } return res; } /* * (non-Javadoc) * * @see dwtx.jface.viewers.IContentProvider#dispose() */ public void dispose() { } /* * (non-Javadoc) * * @see dwtx.jface.viewers.IContentProvider#inputChanged(dwtx.jface.viewers.Viewer, * java.lang.Object, java.lang.Object) */ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) { } }; } /* * Return whether there are multiple errors to be displayed */ private bool isMultipleStatusDialog() { return statuses.size() > 1; } /** * Return a viewer sorter for looking at the jobs. * * @return ViewerSorter */ private ViewerComparator getViewerComparator() { return new class ViewerComparator { /* * (non-Javadoc) * * @see dwtx.jface.viewers.ViewerComparator#compare(dwtx.jface.viewers.Viewer, * java.lang.Object, java.lang.Object) */ public int compare(Viewer testViewer, Object e1, Object e2) { String message1 = (cast(IStatus) e1).getMessage(); String message2 = (cast(IStatus) e2).getMessage(); if (message1 is null) return 1; if (message2 is null) return -1; //TODO: was compareTo, is this sufficient? return message1 < message2; } }; } /** * Refresh the contents of the viewer. */ void refreshStatusList() { if (statusListViewer !is null && !statusListViewer.getControl().isDisposed()) { statusListViewer.refresh(); Point newSize = getShell().computeSize(DWT.DEFAULT, DWT.DEFAULT); getShell().setSize(newSize); } } /** * Get the single selection. Return null if the selection is not just one * element. * * @return IStatus or <code>null</code>. */ private IStatus getSingleSelection() { ISelection rawSelection = statusListViewer.getSelection(); if (rawSelection !is null && cast(IStructuredSelection)rawSelection ) { IStructuredSelection selection = cast(IStructuredSelection) rawSelection; if (selection.size() is 1) { return cast(IStatus) selection.getFirstElement(); } } return null; } /** * The selection in the multiple job list has changed. Update widget * enablements and repopulate the list. */ void handleSelectionChange() { IStatus newSelection = getSingleSelection(); setStatus(newSelection); updateEnablements(); showDetailsArea(); } /* * (non-Javadoc) * * @see dwtx.jface.dialogs.ErrorDialog#shouldShowDetailsButton() */ protected override bool shouldShowDetailsButton() { return true; } /** * Add the status to the receiver. * @param status */ public void addStatus(IStatus status) { statuses.append(status); refresh(); } }