| /******************************************************************************* |
| * Copyright (c) 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 |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.tasks.ui.editors; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.eclipse.mylyn.tasks.core.data.TaskAttribute; |
| import org.eclipse.mylyn.tasks.core.data.TaskDataModel; |
| import org.eclipse.mylyn.tasks.ui.editors.LayoutHint; |
| import org.eclipse.mylyn.tasks.ui.editors.LayoutHint.ColumnSpan; |
| import org.eclipse.mylyn.tasks.ui.editors.LayoutHint.RowSpan; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.ui.forms.widgets.FormToolkit; |
| |
| import com.google.common.base.Function; |
| import com.google.common.base.Joiner; |
| import com.google.common.base.Predicate; |
| import com.google.common.base.Strings; |
| import com.google.common.collect.FluentIterable; |
| |
| public class LabelsAttributeEditor extends TextAttributeEditor { |
| |
| private static final String VALUE_SEPARATOR = ","; //$NON-NLS-1$ |
| |
| private final boolean isMultiSelect; |
| |
| public LabelsAttributeEditor(TaskDataModel manager, TaskAttribute taskAttribute) { |
| super(manager, taskAttribute); |
| this.isMultiSelect = TaskAttribute.TYPE_MULTI_SELECT.equals(taskAttribute.getMetaData().getType()) |
| || TaskAttribute.TYPE_MULTI_LABEL.equals(taskAttribute.getMetaData().getType()); |
| if (!isReadOnly() && isMultiSelect) { |
| setLayoutHint(new LayoutHint(RowSpan.MULTIPLE, ColumnSpan.SINGLE)); |
| } |
| } |
| |
| @Override |
| public void createControl(Composite parent, FormToolkit toolkit) { |
| super.createControl(parent, toolkit, |
| (getLayoutHint() != null && getLayoutHint().rowSpan == RowSpan.MULTIPLE ? SWT.WRAP : SWT.NONE)); |
| if (!isReadOnly() && isMultiSelect) { |
| getText().setToolTipText("Separate multiple values with a comma"); //$NON-NLS-1$ |
| } |
| } |
| |
| @Override |
| public String getValue() { |
| if (isMultiSelect) { |
| List<String> values = getAttributeMapper().getValues(getTaskAttribute()); |
| return Joiner.on(VALUE_SEPARATOR + " ").skipNulls().join(values); //$NON-NLS-1$ |
| } else { |
| return getAttributeMapper().getValue(getTaskAttribute()); |
| } |
| } |
| |
| @Override |
| public void setValue(String text) { |
| if (isMultiSelect) { |
| String[] values = text.split(VALUE_SEPARATOR); |
| getAttributeMapper().setValues(getTaskAttribute(), getTrimmedValues(values)); |
| } else { |
| getAttributeMapper().setValue(getTaskAttribute(), text); |
| } |
| attributeChanged(); |
| } |
| |
| public static List<String> getTrimmedValues(String[] values) { |
| return FluentIterable.from(Arrays.asList(values)).transform(new Function<String, String>() { |
| @Override |
| public String apply(String input) { |
| return Strings.nullToEmpty(input).trim(); |
| } |
| }).filter(new Predicate<String>() { |
| @Override |
| public boolean apply(String input) { |
| return !Strings.isNullOrEmpty(input); |
| } |
| }).toList(); |
| } |
| } |