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/*******************************************************************************
* Copyright (c) 2004 - 2005 University Of British Columbia 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:
* University Of British Columbia - initial API and implementation
*******************************************************************************/
package org.eclipse.mylar.tasklist.ui;
import java.util.Date;
import java.util.List;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerSorter;
import org.eclipse.mylar.tasklist.ITask;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
/**
* @author Ken Sueda
*/
public class TasksReminderDialog extends Dialog {
private List<ITask> tasks = null;
private Table table = null;
private TableViewer tableViewer = null;
private String[] columnNames = new String[] { "Description", "Priority", "Reminder Day"};
private static final int DISMISS_ALL_ID = 200;
private static final int DISMISS_ID = 201;
private static final int SNOOZE_ID = 202;
private static final String DISMISS_ALL_LABEL = "Dismiss All";
private static final String DISMISS_LABEL = "Dismiss Selected";
private static final String SNOOZE_ALL_LABEL = "Remind tommorrow";
private static long DAY = 24 * 3600 * 1000;
public TasksReminderDialog(Shell parentShell, List<ITask> remTasks) {
super(parentShell);
tasks = remTasks;
}
@Override
protected void configureShell(Shell shell) {
super.configureShell(shell);
shell.setText("Reminders");
}
@Override
protected Control createDialogArea(Composite parent) {
Composite composite = (Composite) super.createDialogArea(parent);
setBlockOnOpen(false);
GridLayout gl = new GridLayout(1, false);
composite.setLayout(gl);
GridData data = new GridData(GridData.FILL_BOTH);
composite.setLayoutData(data);
Composite container = new Composite(composite, SWT.NONE);
gl = new GridLayout(1, false);
container.setLayout(gl);
createTable(container);
createTableViewer();
return composite;
}
@Override
protected void createButtonsForButtonBar(Composite parent) {
createButton(parent, DISMISS_ALL_ID, DISMISS_ALL_LABEL, false);
createButton(parent, DISMISS_ID, DISMISS_LABEL, false);
createButton(parent, SNOOZE_ID, SNOOZE_ALL_LABEL, true);
}
private void createTable(Composite parent) {
int style = SWT.SINGLE | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.HIDE_SELECTION;
table = new Table(parent, style );
GridLayout tlayout = new GridLayout();
table.setLayout(tlayout);
GridData wd = new GridData(GridData.FILL_BOTH);
wd.heightHint = 300;
table.setLayoutData(wd);
table.setLinesVisible(true);
table.setHeaderVisible(true);
TableColumn column = new TableColumn(table, SWT.LEFT, 0);
column.setText(columnNames[0]);
column.setWidth(180);
column.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
tableViewer.setSorter(new ReminderTaskSorter(ReminderTaskSorter.DESCRIPTION));
}
});
column = new TableColumn(table, SWT.LEFT, 1);
column.setText(columnNames[1]);
column.setWidth(50);
column.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
tableViewer.setSorter(new ReminderTaskSorter(ReminderTaskSorter.PRIORITY));
}
});
column = new TableColumn(table, SWT.LEFT, 2);
column.setText(columnNames[2]);
column.setWidth(100);
column.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
tableViewer.setSorter(new ReminderTaskSorter(ReminderTaskSorter.DATE));
}
});
}
private void createTableViewer() {
tableViewer = new TableViewer(table);
tableViewer.setUseHashlookup(true);
tableViewer.setContentProvider(new ReminderTasksContentProvider());
tableViewer.setLabelProvider(new ReminderTasksLabelProvider());
tableViewer.setInput(tasks);
}
protected void buttonPressed(int buttonId) {
if (buttonId == DISMISS_ALL_ID) {
for (ITask t : tasks) {
t.setReminded(true);
}
okPressed();
} else if (buttonId == DISMISS_ID) {
Object sel = ((IStructuredSelection)tableViewer.getSelection()).getFirstElement();
if (sel != null && sel instanceof ITask ) {
ITask t = (ITask) sel;
t.setReminded(true);
tasks.remove(t);
if (tasks.isEmpty()) {
okPressed();
} else {
tableViewer.refresh();
}
}
} else if (buttonId == SNOOZE_ID) {
Object sel = ((IStructuredSelection)tableViewer.getSelection()).getFirstElement();
if (sel != null && sel instanceof ITask ) {
ITask t = (ITask) sel;
t.setReminded(false);
t.setReminderDate( new Date(new Date().getTime() + DAY));
tasks.remove(t);
if (tasks.isEmpty()) {
okPressed();
} else {
tableViewer.refresh();
}
}
}
super.buttonPressed(buttonId);
}
private class ReminderTasksContentProvider implements IStructuredContentProvider {
public Object[] getElements(Object inputElement) {
return tasks.toArray();
}
public void dispose() {
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
}
}
private class ReminderTasksLabelProvider extends LabelProvider implements
ITableLabelProvider {
public Image getColumnImage(Object element, int columnIndex) {
return null;
}
public String getColumnText(Object element, int columnIndex) {
if (element instanceof ITask) {
ITask task = (ITask) element;
switch (columnIndex) {
case 0:
return task.getDescription(true);
case 1:
return task.getPriority();
case 2:
return task.getReminderDateString(true);
}
}
return null;
}
}
class ReminderTaskSorter extends ViewerSorter {
public final static int DESCRIPTION = 1;
public final static int PRIORITY = 2;
public final static int DATE = 3;
private int criteria;
public ReminderTaskSorter(int criteria) {
super();
this.criteria = criteria;
}
@Override
public int compare(Viewer viewer, Object obj1, Object obj2) {
ITask t1 = (ITask) obj1;
ITask t2 = (ITask) obj2;
switch (criteria) {
case DESCRIPTION:
return compareDescription(t1, t2);
case PRIORITY:
return comparePriority(t1, t2);
case DATE:
return compareDate(t1, t2);
default:
return 0;
}
}
private int compareDescription(ITask task1, ITask task2) {
return task1.getLabel().compareTo(task2.getLabel());
}
private int comparePriority(ITask task1, ITask task2) {
return task1.getPriority().compareTo(task2.getPriority());
}
private int compareDate(ITask task1, ITask task2) {
return task2.getReminderDate().compareTo(task1.getReminderDate());
}
}
}
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