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/*******************************************************************************
* Copyright (c) 2004, 2015 Tasktop Technologies 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:
* Tasktop Technologies - initial API and implementation
* Frank Becker - indicate deprecated attachments, bug 215549
* Perforce - fixes for bug 318505
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.editors;
import org.eclipse.jface.viewers.ColumnViewer;
import org.eclipse.jface.viewers.StyledCellLabelProvider;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.mylyn.commons.ui.CommonImages;
import org.eclipse.mylyn.commons.ui.TableColumnDescriptor;
import org.eclipse.mylyn.commons.workbench.CommonImageManger;
import org.eclipse.mylyn.internal.tasks.ui.util.AttachmentUtil;
import org.eclipse.mylyn.tasks.core.IRepositoryPerson;
import org.eclipse.mylyn.tasks.core.ITaskAttachment;
import org.eclipse.mylyn.tasks.core.TaskRepository;
import org.eclipse.mylyn.tasks.ui.TasksUiImages;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.TableColumn;
/**
* @author Mik Kersten
* @author Steffen Pingel
* @author Kevin Sawicki
*/
public class AttachmentTableLabelProvider extends StyledCellLabelProvider {
private final AttachmentSizeFormatter sizeFormatter = AttachmentSizeFormatter.getInstance();
private final CommonImageManger imageManager = new CommonImageManger();
@Override
public void update(ViewerCell cell) {
cell.setImage(getColumnImage((ITaskAttachment) cell.getElement(), cell.getColumnIndex()));
StyledString str = buildTextFromEventIndex(cell.getColumnIndex(), (ITaskAttachment) cell.getElement());
cell.setText(str.getString());
cell.setStyleRanges(str.getStyleRanges());
super.update(cell);
}
@Override
protected void measure(Event event, Object element) {
super.measure(event, element);
measure4MulitlineColumn(event, element);
}
protected void measure4MulitlineColumn(Event event, Object element) {
ColumnViewer viewer = getViewer();
if (viewer instanceof TableViewer) {
TableColumn col = ((TableViewer) viewer).getTable().getColumn(event.index);
TableColumnDescriptor colDes = (TableColumnDescriptor) col
.getData(TableColumnDescriptor.TABLE_COLUMN_DESCRIPTOR_KEY);
if (colDes != null && !colDes.isAutoSize()) {
return;
}
event.width = ((TableViewer) viewer).getTable().getColumn(event.index).getWidth();
if (event.width == 0) {
return;
}
ITaskAttachment attachment = (ITaskAttachment) element;
Point size = event.gc.textExtent(buildTextFromEventIndex(event.index, attachment).getString());
event.height = size.y;
if (event.index == 0 || event.index == 3) {
size.x = size.x + 22;
} else {
size.x = size.x + 3;
}
if (size.x > event.width) {
event.width = size.x;
((TableViewer) viewer).getTable().getColumn(event.index).setWidth(size.x);
}
}
}
public Image getColumnImage(Object element, int columnIndex) {
ITaskAttachment attachment = (ITaskAttachment) element;
if (columnIndex == 0) {
if (AttachmentUtil.isContext(attachment)) {
return imageManager.getImage(TasksUiImages.CONTEXT_TRANSFER);
} else if (attachment.isPatch()) {
return imageManager.getImage(TasksUiImages.TASK_ATTACHMENT_PATCH);
} else {
return imageManager.getFileImage(attachment.getFileName());
}
} else if (columnIndex == 3 && attachment.getAuthor() != null) {
return getAuthorImage(attachment.getAuthor(), attachment.getTaskRepository());
}
return null;
}
/**
* Get author image for a specified repository person and task repository
*
* @param person
* @param repository
* @return author image
*/
protected Image getAuthorImage(IRepositoryPerson person, TaskRepository repository) {
if (repository != null && person != null && person.matchesUsername(repository.getUserName())) {
return imageManager.getImage(CommonImages.PERSON_ME);
} else {
return imageManager.getImage(CommonImages.PERSON);
}
}
public StyledString buildTextFromEventIndex(int index, ITaskAttachment attachment) {
StyledString text = new StyledString();
switch (index) {
case 0:
if (AttachmentUtil.isContext(attachment)) {
text.append(Messages.AttachmentTableLabelProvider_Task_Context);
} else if (attachment.isPatch()) {
text.append(Messages.AttachmentTableLabelProvider_Patch);
} else {
text.append(" " + attachment.getFileName()); //$NON-NLS-1$
}
break;
case 1:
if (attachment.getDescription() != null) {
text.append(attachment.getDescription());
}
break;
case 2:
long length = attachment.getLength();
if (length < 0) {
text.append("-"); //$NON-NLS-1$
}
text.append(sizeFormatter.format(length));
break;
case 3:
String autherText = (attachment.getAuthor() != null) ? attachment.getAuthor().toString() : ""; //$NON-NLS-1$
String[] autherPart = autherText.split(" <"); //$NON-NLS-1$
text.append(autherPart[0] + " ", StyledString.COUNTER_STYLER); //$NON-NLS-1$
if (autherPart.length > 1) {
text.append("<" + autherPart[1], StyledString.COUNTER_STYLER); //$NON-NLS-1$
}
break;
case 4:
text.append((attachment.getCreationDate() != null)
? EditorUtil.formatDateTime(attachment.getCreationDate())
: ""); //$NON-NLS-1$
break;
case 5:
// FIXME add id to ITaskAttachment
text.append(getAttachmentId(attachment));
break;
}
return text;
}
public static String getAttachmentId(ITaskAttachment attachment) {
String a = attachment.getUrl();
if (a != null) {
int i = a.indexOf("?id="); //$NON-NLS-1$
if (i != -1) {
return a.substring(i + 4);
}
}
return ""; //$NON-NLS-1$
}
}
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