diff options
Diffstat (limited to 'plugins/facet/org.eclipse.papyrus.emf.facet.efacet.ui/src/org/eclipse/papyrus/emf/facet/efacet/ui/internal/composites/FilteredElementSelectionComposite.java')
| -rw-r--r-- | plugins/facet/org.eclipse.papyrus.emf.facet.efacet.ui/src/org/eclipse/papyrus/emf/facet/efacet/ui/internal/composites/FilteredElementSelectionComposite.java | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/plugins/facet/org.eclipse.papyrus.emf.facet.efacet.ui/src/org/eclipse/papyrus/emf/facet/efacet/ui/internal/composites/FilteredElementSelectionComposite.java b/plugins/facet/org.eclipse.papyrus.emf.facet.efacet.ui/src/org/eclipse/papyrus/emf/facet/efacet/ui/internal/composites/FilteredElementSelectionComposite.java new file mode 100644 index 00000000000..c9f3857f2e6 --- /dev/null +++ b/plugins/facet/org.eclipse.papyrus.emf.facet.efacet.ui/src/org/eclipse/papyrus/emf/facet/efacet/ui/internal/composites/FilteredElementSelectionComposite.java @@ -0,0 +1,134 @@ +/*******************************************************************************
+ * Copyright (c) 2010, 2011 Mia-Software.
+ * 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:
+ * Nicolas Bros (Mia-Software) - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.emf.facet.efacet.ui.internal.composites;
+
+import org.eclipse.emf.facet.efacet.ui.internal.Messages;
+import org.eclipse.jface.viewers.LabelProvider;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.KeyEvent;
+import org.eclipse.swt.events.KeyListener;
+import org.eclipse.swt.events.ModifyEvent;
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Text;
+import org.eclipse.ui.dialogs.FilteredList;
+
+/**
+ * A control for selecting an element from a list of elements, that can be filtered using the
+ * associated text field.
+ */
+public class FilteredElementSelectionComposite extends Composite {
+
+ private final Text filterText;
+ private final FilteredList fFilteredList;
+
+ public FilteredElementSelectionComposite(final Composite parent, final boolean matchAnywhere, final boolean multiSelection) {
+ super(parent, SWT.BORDER);
+ setLayout(new GridLayout());
+
+ this.filterText = createFilterText(this);
+ this.fFilteredList = createFilteredList(this, multiSelection);
+
+ final String matchPrefix;
+ if (matchAnywhere) {
+ matchPrefix = "*"; //$NON-NLS-1$
+ } else {
+ matchPrefix = ""; //$NON-NLS-1$
+ }
+
+ this.filterText.addModifyListener(new ModifyListener() {
+ public void modifyText(final ModifyEvent e) {
+ getfFilteredList().setFilter(matchPrefix + getFilterText().getText());
+ }
+ });
+
+ this.filterText.addKeyListener(new KeyListener() {
+ public void keyPressed(final KeyEvent e) {
+ if (e.keyCode == SWT.ARROW_DOWN) {
+ getfFilteredList().setFocus();
+ }
+ }
+
+ public void keyReleased(final KeyEvent e) {
+ // nothing
+ }
+ });
+ }
+
+ public void setElements(final Object[] elements) {
+ this.fFilteredList.setElements(elements);
+ }
+
+ protected static FilteredList createFilteredList(final Composite parent, final boolean multiSelection) {
+ int multi;
+ if (multiSelection) {
+ multi = SWT.MULTI;
+ } else {
+ multi = SWT.SINGLE;
+ }
+ final FilteredList filteredList = new FilteredList(parent, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL | multi, new LabelProvider(), true,
+ false, true);
+
+ final GridData data = new GridData();
+ data.grabExcessVerticalSpace = true;
+ data.grabExcessHorizontalSpace = true;
+ data.horizontalAlignment = GridData.FILL;
+ data.verticalAlignment = GridData.FILL;
+ filteredList.setLayoutData(data);
+ filteredList.setFilter(""); //$NON-NLS-1$
+
+ return filteredList;
+ }
+
+ protected static Text createFilterText(final Composite parent) {
+ final Text text = new Text(parent, SWT.BORDER);
+ text.setMessage(Messages.FilteredElementSelectionControl_type_filter_text);
+
+ final GridData data = new GridData();
+ data.grabExcessVerticalSpace = false;
+ data.grabExcessHorizontalSpace = true;
+ data.horizontalAlignment = GridData.FILL;
+ data.verticalAlignment = GridData.BEGINNING;
+ text.setLayoutData(data);
+
+ return text;
+ }
+
+ public Object getFirstSelectedElement() {
+ final Object[] selection = this.fFilteredList.getSelection();
+ if (selection.length > 0) {
+ return selection[0];
+ }
+ return null;
+ }
+
+ public Object[] getSelectedElements() {
+ Object[] selection = this.fFilteredList.getSelection();
+ if (selection.length == 0) {
+ return null;
+ }
+ return selection;
+ }
+
+ public FilteredList getFilteredList() {
+ return this.fFilteredList;
+ }
+
+ public Text getFilterText() {
+ return this.filterText;
+ }
+
+ protected FilteredList getfFilteredList() {
+ return this.fFilteredList;
+ }
+}
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