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/******************************************************************************* |
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* Copyright (c) 2004, 2007 Mylyn project committers and others. |
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* All rights reserved. This program and the accompanying materials |
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* are made available under the terms of the Eclipse Public License v1.0 |
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* which accompanies this distribution, and is available at |
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* http://www.eclipse.org/legal/epl-v10.html |
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*******************************************************************************/ |
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package org.eclipse.mylyn.internal.tasks.ui.dialogs; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.Comparator; |
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import org.eclipse.jface.dialogs.Dialog; |
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import org.eclipse.jface.window.IShellProvider; |
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import org.eclipse.mylyn.internal.tasks.ui.views.TaskListView; |
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import org.eclipse.mylyn.internal.tasks.ui.views.TaskListTableSorter.SortByIndex; |
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import org.eclipse.swt.SWT; |
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import org.eclipse.swt.events.SelectionAdapter; |
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import org.eclipse.swt.events.SelectionEvent; |
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import org.eclipse.swt.layout.GridData; |
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import org.eclipse.swt.layout.GridLayout; |
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import org.eclipse.swt.widgets.Button; |
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import org.eclipse.swt.widgets.Combo; |
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import org.eclipse.swt.widgets.Composite; |
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import org.eclipse.swt.widgets.Control; |
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import org.eclipse.swt.widgets.Label; |
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|
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public class TaskListSortDialog extends Dialog { |
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private Combo[] priorityCombos; |
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private Button[] ascendingButtons; |
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private Button[] descendingButtons; |
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private final String[] propertyText; |
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private boolean dirty = false; |
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private final TaskListView taskListView; |
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|
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public TaskListSortDialog(IShellProvider parentShell, TaskListView taskListView) { |
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super(parentShell); |
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propertyText = new String[3]; |
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propertyText[0] = "Priority"; |
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propertyText[1] = "Summary"; |
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propertyText[2] = "Date_Created"; |
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this.taskListView = taskListView; |
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} |
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|
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@Override |
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protected Control createDialogArea(Composite parent) { |
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Composite composite = (Composite) super.createDialogArea(parent); |
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initializeDialogUnits(composite); |
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Composite prioritiesArea = new Composite(composite, SWT.NULL); |
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prioritiesArea.setLayout(new GridLayout(3, false)); |
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Label sortByLabel = new Label(prioritiesArea, SWT.NULL); |
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sortByLabel.setText("Sort by:"); |
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GridData data = new GridData(); |
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data.horizontalSpan = 3; |
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sortByLabel.setLayoutData(data); |
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ascendingButtons = new Button[2]; |
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descendingButtons = new Button[2]; |
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priorityCombos = new Combo[2]; |
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for (int i = 0; i < 2; i++) { |
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final int index = i; |
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Label numberLabel = new Label(prioritiesArea, SWT.NULL); |
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numberLabel.setText("" + (i + 1) + "."); |
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priorityCombos[i] = new Combo(prioritiesArea, SWT.READ_ONLY); |
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priorityCombos[i].setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); |
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Composite directionGroup = new Composite(prioritiesArea, SWT.NONE); |
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directionGroup.setLayout(new GridLayout(2, false)); |
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ascendingButtons[i] = new Button(directionGroup, SWT.RADIO); |
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ascendingButtons[i].setText("Ascending"); |
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ascendingButtons[i].addSelectionListener(new SelectionAdapter() { |
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@Override |
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public void widgetSelected(SelectionEvent e) { |
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markDirty(); |
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} |
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}); |
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descendingButtons[i] = new Button(directionGroup, SWT.RADIO); |
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descendingButtons[i].setText("Descending"); |
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descendingButtons[i].addSelectionListener(new SelectionAdapter() { |
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@Override |
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public void widgetSelected(SelectionEvent e) { |
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markDirty(); |
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} |
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}); |
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if (i < priorityCombos.length - 1) { |
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priorityCombos[i].addSelectionListener(new SelectionAdapter() { |
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@Override |
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public void widgetSelected(SelectionEvent e) { |
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int oldSelectionDirection = 1; |
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if (descendingButtons[index].getSelection()) { |
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oldSelectionDirection = -1; |
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} |
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ArrayList<String> oldSelectionList = new ArrayList<String>( |
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Arrays.asList(priorityCombos[index].getItems())); |
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oldSelectionList.removeAll(Arrays.asList(priorityCombos[index + 1].getItems())); |
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if (oldSelectionList.size() != 1) { |
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return; |
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} |
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String oldSelection = oldSelectionList.get(0); |
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String newSelection = priorityCombos[index].getItem(priorityCombos[index].getSelectionIndex()); |
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if (oldSelection.equals(newSelection)) { |
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return; |
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} |
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for (int j = index + 1; j < priorityCombos.length; j++) { |
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int newSelectionIndex = priorityCombos[j].indexOf(newSelection); |
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//this combo's current selection is equal to newSelection |
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if (priorityCombos[j].getSelectionIndex() == newSelectionIndex) { |
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priorityCombos[j].remove(newSelection); |
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int insertionPoint = -1 |
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- Arrays.binarySearch(priorityCombos[j].getItems(), oldSelection, |
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columnComparator); |
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if (insertionPoint >= 0 && insertionPoint <= priorityCombos[j].getItemCount()) { |
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priorityCombos[j].add(oldSelection, insertionPoint); |
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} else { |
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priorityCombos[j].add(oldSelection); |
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} |
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priorityCombos[j].select(priorityCombos[j].indexOf(oldSelection)); |
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ascendingButtons[index].setSelection(ascendingButtons[j].getSelection()); |
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descendingButtons[index].setSelection(descendingButtons[j].getSelection()); |
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ascendingButtons[j].setSelection(oldSelectionDirection == 1); |
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descendingButtons[j].setSelection(oldSelectionDirection == -1); |
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} |
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//this combo contains newSelection |
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else if (newSelectionIndex >= 0) { |
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String currentText = priorityCombos[j].getText(); |
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priorityCombos[j].remove(newSelection); |
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int insertionPoint = -1 |
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- Arrays.binarySearch(priorityCombos[j].getItems(), oldSelection, |
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columnComparator); |
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if (insertionPoint >= 0 && insertionPoint <= priorityCombos[j].getItemCount()) { |
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priorityCombos[j].add(oldSelection, insertionPoint); |
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priorityCombos[j].select(priorityCombos[j].indexOf(currentText)); |
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} else { |
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priorityCombos[j].add(oldSelection); |
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} |
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} |
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} |
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markDirty(); |
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} |
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}); |
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} else { |
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priorityCombos[i].addSelectionListener(new SelectionAdapter() { |
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@Override |
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public void widgetSelected(SelectionEvent e) { |
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markDirty(); |
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} |
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}); |
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} |
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} |
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int a[] = new int[2]; |
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int b[] = new int[2]; |
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switch (taskListView.getSorter().getSortByIndex()) { |
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case PRIORITY: |
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a[0] = 0; |
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break; |
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case SUMMARY: |
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a[0] = 1; |
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break; |
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case DATE_CREATED: |
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a[0] = 2; |
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break; |
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} |
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switch (taskListView.getSorter().getSortByIndex2()) { |
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case PRIORITY: |
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a[1] = 0; |
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break; |
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case SUMMARY: |
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a[1] = 1; |
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break; |
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case DATE_CREATED: |
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a[1] = 2; |
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break; |
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} |
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b[0] = taskListView.getSorter().getSortDirection(); |
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b[1] = taskListView.getSorter().getSortDirection2(); |
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updateUI(a, b); |
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return composite; |
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} |
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@Override |
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protected void okPressed() { |
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if (isDirty()) { |
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taskListView.getSorter() |
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.setSortByIndex( |
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SortByIndex.valueOf(priorityCombos[0].getItem(priorityCombos[0].getSelectionIndex()) |
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.toUpperCase())); |
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taskListView.getSorter() |
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.setSortByIndex2( |
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SortByIndex.valueOf(priorityCombos[1].getItem(priorityCombos[1].getSelectionIndex()) |
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.toUpperCase())); |
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if (descendingButtons[0].getSelection()) { |
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taskListView.getSorter().setSortDirection(-1); |
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} else { |
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taskListView.getSorter().setSortDirection(1); |
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} |
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if (descendingButtons[1].getSelection()) { |
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taskListView.getSorter().setSortDirection2(-1); |
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} else { |
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taskListView.getSorter().setSortDirection2(1); |
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} |
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} |
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super.okPressed(); |
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} |
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/** |
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* @return boolean |
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*/ |
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public boolean isDirty() { |
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return dirty; |
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} |
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/** |
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* Sets the dirty flag to true. |
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*/ |
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public void markDirty() { |
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dirty = true; |
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} |
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private final Comparator<String> columnComparator = new Comparator<String>() { |
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public int compare(String arg0, String arg1) { |
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int index0 = -1; |
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int index1 = -1; |
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for (int i = 0; i < propertyText.length; i++) { |
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if (propertyText[i].equals(arg0)) { |
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index0 = i; |
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} |
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if (propertyText[i].equals(arg1)) { |
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index1 = i; |
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} |
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} |
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return index0 - index1; |
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} |
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}; |
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private void updateUI(int[] priorities, int[] directions) { |
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ArrayList<String> availablePriorities = new ArrayList<String>(Arrays.asList(propertyText)); |
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for (int i = 0; i < priorityCombos.length; i++) { |
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priorityCombos[i].removeAll(); |
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for (int j = 0; j < availablePriorities.size(); j++) { |
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priorityCombos[i].add(availablePriorities.get(j)); |
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} |
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priorityCombos[i].select(priorityCombos[i].indexOf(propertyText[priorities[i]])); |
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availablePriorities.remove(propertyText[priorities[i]]); |
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ascendingButtons[i].setSelection(directions[i] == 1); |
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descendingButtons[i].setSelection(directions[i] == -1); |
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} |
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} |
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} |
