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package eu.etaxonomy.taxeditor.ui.element;
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import java.util.Map;
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import java.util.Map.Entry;
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import org.eclipse.jface.viewers.IStructuredContentProvider;
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import org.eclipse.jface.viewers.ITableLabelProvider;
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import org.eclipse.jface.viewers.LabelProvider;
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import org.eclipse.jface.viewers.TableViewer;
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import org.eclipse.jface.viewers.TableViewerColumn;
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import org.eclipse.jface.viewers.Viewer;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.graphics.Image;
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import org.eclipse.swt.widgets.Label;
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import org.eclipse.swt.widgets.Table;
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import org.eclipse.ui.forms.widgets.TableWrapData;
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/**
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* <p>KeyValueViewerElement class.</p>
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*
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* @author n.hoffmann
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*/
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public class KeyValueViewerElement extends AbstractCdmFormElement {
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private TableViewer tableViewer;
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private Label label;
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/**
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* <p>Constructor for KeyValueViewerElement.</p>
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*
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* @param formFactory a {@link eu.etaxonomy.taxeditor.ui.element.CdmFormFactory} object.
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* @param formElement a {@link eu.etaxonomy.taxeditor.ui.element.ICdmFormElement} object.
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* @param keyHeading a {@link java.lang.String} object.
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* @param valueHeading a {@link java.lang.String} object.
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* @param map a {@link java.util.Map} object.
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*/
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public KeyValueViewerElement(CdmFormFactory formFactory,
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ICdmFormElement formElement, String keyHeading, String valueHeading, Map<Object, Object> map) {
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super(formFactory, formElement);
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label = formFactory.createLabel(getLayoutComposite(), "Meta Data");
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label.setLayoutData(LayoutConstants.FILL(2, 1));
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addControl(label);
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tableViewer = new TableViewer(formElement.getLayoutComposite(), SWT.MULTI | SWT.H_SCROLL
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| SWT.V_SCROLL | SWT.FULL_SELECTION);
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addControl(tableViewer.getControl());
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createColumns(tableViewer, keyHeading, valueHeading);
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TableWrapData layoutData = LayoutConstants.FILL(2, 1);
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layoutData.heightHint = 100;
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tableViewer.getControl().setLayoutData(layoutData);
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tableViewer.setContentProvider(new KeyValueContentProvider());
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tableViewer.setLabelProvider(new KeyValueLabelProvider());
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if(map != null){
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setInput(map);
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}
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}
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// This will create the columns for the table
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private void createColumns(TableViewer viewer, String keyHeading, String valueHeading) {
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Table table = viewer.getTable();
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String[] titles = {keyHeading, valueHeading};
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int[] bounds = { 100, 100};
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for (int i = 0; i < titles.length; i++) {
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TableViewerColumn column = new TableViewerColumn(viewer, SWT.NONE);
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column.getColumn().setText(titles[i]);
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column.getColumn().setWidth(bounds[i]);
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column.getColumn().setResizable(true);
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column.getColumn().setMoveable(true);
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}
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table.setHeaderVisible(true);
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table.setLinesVisible(true);
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}
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/**
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* <p>setInput</p>
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*
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* @param map a {@link java.util.Map} object.
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*/
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public void setInput(Map<? extends Object, ? extends Object> map) {
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tableViewer.setInput(map);
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tableViewer.refresh();
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}
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private class KeyValueContentProvider implements IStructuredContentProvider{
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@Override
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public Object[] getElements(Object inputElement) {
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if(inputElement instanceof Map){
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return ((Map) inputElement).entrySet().toArray();
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}
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return null;
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}
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@Override
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public void dispose() {}
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@Override
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public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {}
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}
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private class KeyValueLabelProvider extends LabelProvider implements ITableLabelProvider{
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@Override
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public Image getColumnImage(Object element, int columnIndex) {
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return null;
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}
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@Override
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public String getColumnText(Object element, int columnIndex) {
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if(element instanceof Entry){
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Entry<?,?> entry = (Entry<?,?>) element;
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switch(columnIndex){
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case 0:
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return entry.getKey().toString();
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case 1:
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return entry.getValue().toString();
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}
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}
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return element.toString();
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}
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}
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}
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