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/*******************************************************************************
* Copyright (c) 2004 - 2006 Mylar committers 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
*******************************************************************************/
package org.eclipse.mylyn.tasks.ui.editors;
import java.io.File;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.mylyn.internal.tasks.ui.wizards.NewAttachmentWizard;
import org.eclipse.mylyn.internal.tasks.ui.wizards.NewAttachmentWizardDialog;
import org.eclipse.mylyn.tasks.core.AbstractTask;
import org.eclipse.mylyn.tasks.ui.TasksUiPlugin;
import org.eclipse.swt.dnd.DND;
import org.eclipse.swt.dnd.DropTargetEvent;
import org.eclipse.swt.dnd.DropTargetListener;
import org.eclipse.swt.dnd.FileTransfer;
import org.eclipse.swt.dnd.TextTransfer;
import org.eclipse.swt.widgets.Control;
/**
* Not API.
*
* @author Mik Kersten
*/
class RepositoryTaskEditorDropListener implements DropTargetListener {
private final AbstractRepositoryTaskEditor AbstractTaskEditor;
private final FileTransfer fileTransfer;
private final TextTransfer textTransfer;
private final Control control;
public RepositoryTaskEditorDropListener(AbstractRepositoryTaskEditor AbstractTaskEditor,
FileTransfer fileTransfer, TextTransfer textTransfer, Control control) {
this.AbstractTaskEditor = AbstractTaskEditor;
this.fileTransfer = fileTransfer;
this.textTransfer = textTransfer;
this.control = control;
}
public void dragEnter(DropTargetEvent event) {
if (event.detail == DND.DROP_DEFAULT) {
if ((event.operations & DND.DROP_COPY) != 0) {
event.detail = DND.DROP_COPY;
} else {
event.detail = DND.DROP_NONE;
}
}
// will accept text but prefer to have files dropped
for (int i = 0; i < event.dataTypes.length; i++) {
if (fileTransfer.isSupportedType(event.dataTypes[i])) {
event.currentDataType = event.dataTypes[i];
// files should only be copied
if (event.detail != DND.DROP_COPY) {
event.detail = DND.DROP_NONE;
}
break;
}
}
}
public void dragOver(DropTargetEvent event) {
event.feedback = DND.FEEDBACK_SELECT | DND.FEEDBACK_SCROLL;
// if (textTransfer.isSupportedType(event.currentDataType)) {
// // NOTE: on unsupported platforms this will return null
// Object o = textTransfer.nativeToJava(event.currentDataType);
// String t = (String)o;
// if (t != null) System.out.println(t);
// }
}
public void dragOperationChanged(DropTargetEvent event) {
if ((event.detail == DND.DROP_DEFAULT) || (event.operations & DND.DROP_COPY) != 0) {
event.detail = DND.DROP_COPY;
} else {
event.detail = DND.DROP_NONE;
}
// allow text to be moved but files should only be copied
if (fileTransfer.isSupportedType(event.currentDataType)) {
if (event.detail != DND.DROP_COPY) {
event.detail = DND.DROP_NONE;
}
}
}
public void dragLeave(DropTargetEvent event) {
}
public void dropAccept(DropTargetEvent event) {
}
public void drop(DropTargetEvent event) {
if (textTransfer.isSupportedType(event.currentDataType)) {
String text = (String) event.data;
AbstractTask task = TasksUiPlugin.getTaskListManager().getTaskList().getTask(
this.AbstractTaskEditor.repository.getUrl(),
this.AbstractTaskEditor.taskData.getId());
if (!(task instanceof AbstractTask)) {
// Should not happen
return;
}
AbstractTaskEditor.setGlobalBusy(true);
NewAttachmentWizard naw = new NewAttachmentWizard(this.AbstractTaskEditor.repository,
(AbstractTask) task, text);
openDialog(naw);
}
if (fileTransfer.isSupportedType(event.currentDataType)) {
String[] files = (String[]) event.data;
if (files.length > 0) {
AbstractTask task = TasksUiPlugin.getTaskListManager().getTaskList().getTask(
this.AbstractTaskEditor.repository.getUrl(),
this.AbstractTaskEditor.taskData.getId());
if (!(task instanceof AbstractTask)) {
// Should not happen
return;
}
NewAttachmentWizard naw = new NewAttachmentWizard(this.AbstractTaskEditor.repository,
(AbstractTask) task, new File(files[0]));
openDialog(naw);
}
}
}
private void openDialog(NewAttachmentWizard naw) {
AbstractTaskEditor.setGlobalBusy(true);
NewAttachmentWizardDialog dialog = new NewAttachmentWizardDialog(control.getShell(), naw);
naw.setDialog(dialog);
dialog.create();
int result = dialog.open();
if (result != MessageDialog.OK) {
AbstractTaskEditor.setGlobalBusy(false);
}
}
}
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