/**
* Sets the data source for this Element. The data source is used to produce or query the
* element's display value.
*
* @param ds the datasource (<code>null</code> not permitted).
* @throws NullPointerException if the given data source is null.
* @deprecated The data-source should not be used anymore. Use ElementType implementations
* instead. This method only exists to let old reports run.
*/
public void setDataSource(final DataSource ds) {
if (ds == null) {
throw new NullPointerException("Element.setDataSource(...) : null data source.");
}
this.datasource = ds;
notifyNodePropertiesChanged();
}
public void setAttribute(
final String namespace, final String name, final Object value, final boolean notifyChange) {
if (copyOnWrite) {
this.attributes = attributes.clone();
this.copyOnWrite = false;
}
final Object oldValue = attributes.setAttribute(namespace, name, value);
if (cachedAttributes != null) {
if (cachedAttributes.getChangeTracker() != attributes.getChangeTracker()) {
cachedAttributes = null;
}
}
if (AttributeNames.Core.NAMESPACE.equals(namespace)
&& AttributeNames.Core.ELEMENT_TYPE.equals(name)) {
if (value instanceof ElementType) {
this.elementType = (ElementType) value;
} else {
this.elementType = LegacyType.INSTANCE;
}
}
if (notifyChange) {
notifyNodePropertiesChanged(new AttributeChange(namespace, name, oldValue, value));
}
}
/** Invoked when an action occurs. */
public void actionPerformed(final ActionEvent e) {
final Object o = comboBox.getSelectedItem();
if (o != null && o instanceof String == false) {
return;
}
final String font = (String) o;
final ReportRenderContext activeContext = getActiveContext();
if (activeContext == null) {
return;
}
final ReportSelectionModel selectionModel1 = getSelectionModel();
if (selectionModel1 == null) {
return;
}
final Element[] visualElements = selectionModel1.getSelectedVisualElements();
final ArrayList<UndoEntry> undos = new ArrayList<UndoEntry>();
for (int i = 0; i < visualElements.length; i++) {
final Element visualElement = visualElements[i];
undos.add(StyleEditUndoEntry.createConditional(visualElement, TextStyleKeys.FONT, font));
visualElement.getStyle().setStyleProperty(TextStyleKeys.FONT, font);
visualElement.notifyNodePropertiesChanged();
}
getActiveContext()
.getUndo()
.addChange(
ActionMessages.getString("ApplyFontFamilyAction.UndoName"),
new CompoundUndoEntry(undos.toArray(new UndoEntry[undos.size()])));
}
public void setAttributeExpression(
final String namespace, final String name, final Expression value) {
if (attributeExpressions == null) {
attributeExpressions = new ReportAttributeMap<Expression>();
}
final Expression oldExpression = this.attributeExpressions.setAttribute(namespace, name, value);
notifyNodePropertiesChanged(
new AttributeExpressionChange(namespace, name, oldExpression, value));
}
public void setStyleProperty(final StyleKey key, final Object value) {
final long l = getChangeTracker();
final Object oldValue;
if (super.isLocalKey(key)) {
oldValue = super.getStyleProperty(key);
} else {
oldValue = null;
}
super.setStyleProperty(key, value);
if (l != getChangeTracker()) {
element.notifyNodePropertiesChanged(new StyleChange(key, oldValue, value));
}
}
/**
* Adds a function to the report's collection of expressions.
*
* @param property the stylekey that will be modified by this element.
* @param function the function.
*/
public void setStyleExpression(final StyleKey property, final Expression function) {
if (styleExpressions == null) {
if (function == null) {
return;
}
styleExpressions = new HashMap<StyleKey, Expression>();
}
final Object oldValue;
if (function == null) {
oldValue = styleExpressions.remove(property);
} else {
oldValue = styleExpressions.put(property, function);
}
notifyNodePropertiesChanged(
new StyleExpressionChange(property, (Expression) oldValue, function));
}
/** Invoked when an action occurs. */
public void actionPerformed(final ActionEvent e) {
final ReportSelectionModel selectionModel = getSelectionModel();
if (selectionModel == null) {
return;
}
final Element[] visualElements = selectionModel.getSelectedVisualElements();
if (visualElements.length == 0) {
return;
}
final ReportRenderContext activeContext = getActiveContext();
if (activeContext == null) {
return;
}
Boolean value = Boolean.FALSE;
final ArrayList<UndoEntry> undos = new ArrayList<UndoEntry>();
for (int i = 0; i < visualElements.length; i++) {
final Element element = visualElements[i];
final ElementStyleSheet styleSheet = element.getStyle();
if (i == 0) {
if (styleSheet.getBooleanStyleProperty(TextStyleKeys.ITALIC)) {
value = Boolean.FALSE;
} else {
value = Boolean.TRUE;
}
}
undos.add(StyleEditUndoEntry.createConditional(element, TextStyleKeys.ITALIC, value));
styleSheet.setStyleProperty(TextStyleKeys.ITALIC, value);
element.notifyNodePropertiesChanged();
}
getActiveContext()
.getUndo()
.addChange(
ActionMessages.getString("ItalicsAction.UndoName"),
new CompoundUndoEntry(undos.toArray(new UndoEntry[undos.size()])));
}
public void update(final Point2D normalizedPoint, final double zoomFactor) {
final SnapPositionsModel horizontalSnapModel = getHorizontalSnapModel();
final Element[] selectedVisualElements = getSelectedVisualElements();
final long originPointX = getOriginPointX();
final long[] elementWidth = getElementWidth();
final long px = StrictGeomUtility.toInternalValue(normalizedPoint.getX());
final long dx = px - originPointX;
for (int i = 0; i < selectedVisualElements.length; i++) {
final Element element = selectedVisualElements[i];
if (element instanceof RootLevelBand) {
continue;
}
final ElementStyleSheet styleSheet = element.getStyle();
final double elementMinWidth =
styleSheet.getDoubleStyleProperty(ElementStyleKeys.MIN_WIDTH, 0);
// this is where I want the element on a global scale...
final long targetWidth = elementWidth[i] + dx;
final CachedLayoutData data = ModelUtility.getCachedLayoutData(element);
final long elementX = data.getX();
final long targetX2 = elementX + targetWidth;
if (elementMinWidth >= 0) {
// absolute position; resolving is easy here
final long snapPosition =
horizontalSnapModel.getNearestSnapPosition(targetX2, element.getObjectID());
if (Math.abs(snapPosition - targetX2) > snapThreshold) {
final long localWidth = Math.max(0, targetX2 - elementX);
final float position = (float) StrictGeomUtility.toExternalValue(localWidth);
styleSheet.setStyleProperty(ElementStyleKeys.MIN_WIDTH, new Float(position));
} else {
final long localWidth = Math.max(0, snapPosition - elementX);
final float position = (float) StrictGeomUtility.toExternalValue(localWidth);
styleSheet.setStyleProperty(ElementStyleKeys.MIN_WIDTH, new Float(position));
}
} else {
final Element parent = element.getParentSection();
final CachedLayoutData parentData = ModelUtility.getCachedLayoutData(parent);
final long parentBase = parentData.getWidth();
if (parentBase > 0) {
// relative position; resolve the percentage against the height of the parent.
final long snapPosition =
horizontalSnapModel.getNearestSnapPosition(targetX2, element.getObjectID());
if (Math.abs(snapPosition - targetX2) > snapThreshold) {
final long localWidth = Math.max(0, targetX2 - elementX);
// strict geometry: all values are multiplied by 1000
// percentages in the engine are represented by floats betwen 0 and 100.
final long percentage =
StrictGeomUtility.toInternalValue(localWidth * 100 / parentBase);
styleSheet.setStyleProperty(
ElementStyleKeys.MIN_WIDTH,
new Float(StrictGeomUtility.toExternalValue(-percentage)));
} else {
final long localWidth = Math.max(0, snapPosition - elementX);
// strict geometry: all values are multiplied by 1000
// percentages in the engine are represented by floats betwen 0 and 100.
final long percentage =
StrictGeomUtility.toInternalValue(localWidth * 100 / parentBase);
styleSheet.setStyleProperty(
ElementStyleKeys.MIN_WIDTH,
new Float(StrictGeomUtility.toExternalValue(-percentage)));
}
}
}
element.notifyNodePropertiesChanged();
}
}
