diff options
Diffstat (limited to 'plugins/infra/ui/org.eclipse.papyrus.infra.widgets/src/org/eclipse/papyrus/infra/widgets/editors/IntegerMask.java')
| -rw-r--r-- | plugins/infra/ui/org.eclipse.papyrus.infra.widgets/src/org/eclipse/papyrus/infra/widgets/editors/IntegerMask.java | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/plugins/infra/ui/org.eclipse.papyrus.infra.widgets/src/org/eclipse/papyrus/infra/widgets/editors/IntegerMask.java b/plugins/infra/ui/org.eclipse.papyrus.infra.widgets/src/org/eclipse/papyrus/infra/widgets/editors/IntegerMask.java new file mode 100644 index 00000000000..de609cd4b74 --- /dev/null +++ b/plugins/infra/ui/org.eclipse.papyrus.infra.widgets/src/org/eclipse/papyrus/infra/widgets/editors/IntegerMask.java @@ -0,0 +1,216 @@ +/***************************************************************************** + * Copyright (c) 2011 CEA LIST. + * + * 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: + * Camille Letavernier (CEA LIST) camille.letavernier@cea.fr - Initial API and implementation + * Thibault Le Ouay t.leouay@sherpa-eng.com - Add binding implementation + *****************************************************************************/ +package org.eclipse.papyrus.infra.widgets.editors; + +import java.util.HashMap; +import java.util.Map; +import java.util.Map.Entry; + +import org.eclipse.core.databinding.observable.ChangeEvent; +import org.eclipse.core.databinding.observable.IChangeListener; +import org.eclipse.papyrus.infra.widgets.Activator; +import org.eclipse.papyrus.infra.widgets.messages.Messages; +import org.eclipse.swt.SWT; +import org.eclipse.swt.events.DisposeListener; +import org.eclipse.swt.events.SelectionEvent; +import org.eclipse.swt.events.SelectionListener; +import org.eclipse.swt.layout.GridData; +import org.eclipse.swt.layout.GridLayout; +import org.eclipse.swt.widgets.Button; +import org.eclipse.swt.widgets.Composite; + +public class IntegerMask extends AbstractValueEditor implements SelectionListener, IChangeListener, DisposeListener { + + private Button[] checkboxes; + + private int currentValue; + + private final Composite checkboxContainer; + + private boolean refreshCheckboxes = true; + + public IntegerMask(final Composite parent, final int style) { + super(parent, style); + checkboxContainer = new Composite(this, style); + checkboxContainer.setLayoutData(getDefaultLayoutData()); + checkboxContainer.setLayout(new GridLayout(2, true)); + checkboxContainer.addDisposeListener(this); + } + + @Override + protected GridData getLabelLayoutData() { + GridData data = super.getLabelLayoutData(); + data.verticalAlignment = SWT.BEGINNING; + return data; + } + + @Override + public Object getValue() { + int totalValue = 0; + for (Button button : checkboxes) { + int value = (Integer) button.getData("IntValue"); //$NON-NLS-1$ + if (button.getSelection()) { + totalValue |= value; + } + } + return totalValue; + } + + @Override + public void dispose() { + if (modelProperty != null) { + modelProperty.removeChangeListener(this); + } + super.dispose(); + } + + @Override + public Object getEditableType() { + return Integer.class; + } + + @Override + public void setReadOnly(final boolean readOnly) { + // TODO Auto-generated method stub + + } + + @Override + public boolean isReadOnly() { + // TODO Auto-generated method stub + return false; + } + + public void setMasks(final String[] values) { + Map<Integer, String> masks = new HashMap<Integer, String>(); + int intValue = 1; + for (String value : values) { + masks.put(intValue, value); + intValue <<= 1; + } + setMasks(masks); + } + + public void setMasks(final Map<Integer, String> values) { + if (values.size() > 32) { + StringLabel label = new StringLabel(checkboxContainer, SWT.NONE); + label.getValueLabel().setImage(Activator.getDefault().getImage("/icons/error.gif")); //$NON-NLS-1$ + label.getValueLabel().setText(Messages.IntegerMask_ErrorTooManyValues); + checkboxes = new Button[0]; + } else { + if (checkboxes != null) { + disposeCheckboxes(); + } + + checkboxes = new Button[values.size()]; + + int i = 0; + for (Entry<Integer, String> mask : values.entrySet()) { + int intValue = mask.getKey(); + String value = mask.getValue(); + checkboxes[i] = new Button(checkboxContainer, SWT.CHECK); + checkboxes[i].setText(value); + checkboxes[i].setData("IntValue", intValue); //$NON-NLS-1$ + checkboxes[i].addSelectionListener(this); + i++; + } + } + } + + protected void disposeCheckboxes() { + for (Button button : checkboxes) { + button.removeSelectionListener(this); + button.dispose(); + } + } + + public void setNumColumns(final int numColumns) { + ((GridLayout) checkboxContainer.getLayout()).numColumns = numColumns; + checkboxContainer.layout(); + layout(); + } + + @Override + public void doBinding() { + // We don't do a real databinding here + modelProperty.addChangeListener(this); + + refreshCheckboxes(); + } + + protected void refreshCheckboxes() { + if (!refreshCheckboxes) { + return; + } + + int totalValue = getCurrentValue(); + for (Button button : checkboxes) { + int value = (Integer) button.getData("IntValue"); //$NON-NLS-1$ + button.setSelection((totalValue & value) != 0); + } + } + + @Override + public void setToolTipText(final String text) { + super.setLabelToolTipText(text); + } + + @Override + public void widgetSelected(final SelectionEvent e) { + Button button = (Button) e.widget; + int value = (Integer) button.getData("IntValue"); //$NON-NLS-1$ + int totalValue = getCurrentValue(); + if (button.getSelection()) { + totalValue |= value; + } else { + totalValue &= ~value; + } + setCurrentValue(totalValue); + } + + protected void setCurrentValue(final int value) { + if (modelProperty != null) { + refreshCheckboxes = false; + modelProperty.setValue(value); + refreshCheckboxes = true; + } + currentValue = value; + + commit(); + } + + protected Integer getCurrentValue() { + if (modelProperty != null) { + Object value = modelProperty.getValue(); + return value == null ? 0 : (Integer) value; + } else { + return currentValue; + } + } + + @Override + public void widgetDefaultSelected(final SelectionEvent e) { + // Nothing + } + + public int getNumColumns() { + return ((GridLayout) checkboxContainer.getLayout()).numColumns; + } + + @Override + public void handleChange(final ChangeEvent event) { + refreshCheckboxes(); + } + + +} |