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/**
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* Copyright (C) 2007 EDIT
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* European Distributed Institute of Taxonomy
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* http://www.e-taxonomy.eu
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* See LICENSE.TXT at the top of this package for the full license terms.
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*/
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package eu.etaxonomy.taxeditor.ui.element;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.SelectionEvent;
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import org.eclipse.swt.events.SelectionListener;
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import org.eclipse.swt.graphics.Color;
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import org.eclipse.swt.widgets.Button;
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import org.eclipse.swt.widgets.Label;
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import org.eclipse.ui.forms.widgets.TableWrapData;
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/**
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* <p>CheckboxElement class.</p>
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*
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* @author n.hoffmann
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* @created Nov 5, 2009
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*/
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public class CheckboxElement
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extends AbstractRelevanceFormElement
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implements SelectionListener, IEnableableFormElement, ISelectable {
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private final Button checkbox;
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private Label label;
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/**
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* <p>Constructor for CheckboxElement.</p>
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*
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* @param initialState a boolean.
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* @param style a int.
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* @param formFactory a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory} object.
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* @param parentElement a {@link eu.etaxonomy.taxeditor.ui.element.ICdmFormElement} object.
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* @param labelString a {@link java.lang.String} object.
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*/
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protected CheckboxElement(CdmFormFactory formFactory, ICdmFormElement parentElement, String labelString, boolean initialState,
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int style) {
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super(formFactory, parentElement);
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if(labelString != null){
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label = formFactory.createLabel(getLayoutComposite(), labelString);
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addControl(label);
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}
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checkbox = formFactory.createButton(getLayoutComposite(), null, SWT.CHECK | style);
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checkbox.setLayoutData(LayoutConstants.FILL_HORIZONTALLY());
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checkbox.setSelection(initialState);
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checkbox.addSelectionListener(this);
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addControl(checkbox);
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}
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/**
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* <p>setSelection</p>
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*/
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public void setSelection(boolean selected){
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checkbox.removeSelectionListener(this);
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checkbox.setSelection(selected);
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checkbox.addSelectionListener(this);
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}
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/**
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* <p>getSelection</p>
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*/
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public boolean getSelection(){
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return checkbox.getSelection();
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}
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@Override
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public void widgetSelected(SelectionEvent e) {
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firePropertyChangeEvent(new CdmPropertyChangeEvent(this, e));
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}
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public Button getMainControl(){
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return checkbox;
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}
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@Override
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public void widgetDefaultSelected(SelectionEvent e) {}
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@Override
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public void setSelected(boolean selected) {
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setBackground(selected ? SELECTED : getPersistentBackground());
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}
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@Override
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public void setEnabled(boolean enabled) {
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checkbox.setEnabled(enabled);
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label.setEnabled(enabled);
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}
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@Override
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public boolean isEnabled() {
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return checkbox.isEnabled();
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}
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@Override
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public void updateCacheRelevance() {
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Color color = cacheRelevance().getColor();
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setCheckboxBackgroundOnly(color);
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}
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public void setCheckboxBackgroundOnly(Color color) {
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if (checkbox.isDisposed()){
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return;
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}
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checkbox.setBackground(color);
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}
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@Override
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public void setBackground(Color color) {
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setCheckboxBackgroundOnly(color);
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if (label != null && !label.isDisposed()) {
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label.setBackground(color);
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}
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}
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public void setIndent(int indent){
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TableWrapData tableWrapData = (TableWrapData)label.getLayoutData();
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if (tableWrapData == null){
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tableWrapData = new TableWrapData();
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}
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tableWrapData.indent = indent;
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label.setLayoutData(tableWrapData);
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getLayoutComposite().layout();
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}
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}
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