public static int getMinimumWidth(IFigure figure) {
if (figure instanceof FlowPage) {
FlowPage fp = (FlowPage) figure;
TextFlow tf = (TextFlow) fp.getChildren().get(0);
List<?> fragments = tf.getFragments();
int width = getLongestFragment(fragments) + figure.getBorder().getInsets(figure).getWidth();
return width;
} else {
return figure.getBounds().width;
}
}
public static int getMinimumHeight(IFigure figure) {
int height = figure.getBounds().height;
if (figure instanceof FlowPage) {
FlowPage fp = (FlowPage) figure;
TextFlow tf = (TextFlow) fp.getChildren().get(0);
Dimension textExtents = TextUtilities.INSTANCE.getTextExtents(tf.getText(), tf.getFont());
List<?> fragments = tf.getFragments();
if (fragments.size() != 0) {
height = fragments.size() * textExtents.height;
// include border padding
height = height + figure.getBorder().getInsets(figure).getHeight();
}
}
return height;
}
@Override
protected void setUI() {
setLayoutManager(new GridLayout());
FlowPage flowPage = new FlowPage();
BlockFlow block = new BlockFlow();
fTextFlow = new TextFlow();
fTextFlow.setLayoutManager(
new ParagraphTextLayout(fTextFlow, ParagraphTextLayout.WORD_WRAP_HARD));
block.add(fTextFlow);
flowPage.add(block);
add(flowPage, new GridData(SWT.CENTER, SWT.CENTER, true, true));
fTextPositionDelegate = new TextPositionDelegate(this, flowPage, getDiagramModelObject());
fIconicDelegate = new IconicDelegate(getDiagramModelObject());
fIconicDelegate.updateImage();
}
/**
* Creates a new LabelFigure with a MarginBorder that is the given size and a FlowPage containing
* a TextFlow with the style WORD_WRAP_HARD.
*
* @param borderSize the size of the MarginBorder
*/
public LabelFigure(int borderSize) {
setBorder(new MarginBorder(borderSize));
label =
new TextFlow() {
public void postValidate() {
if (DesignChoiceConstants.DISPLAY_BLOCK.equals(display)
|| DesignChoiceConstants.DISPLAY_INLINE.equals(display)) {
List list = getFragments();
FlowBox box;
int left = Integer.MAX_VALUE, top = left;
int bottom = Integer.MIN_VALUE;
for (int i = 0; i < list.size(); i++) {
box = (FlowBox) list.get(i);
left = Math.min(left, box.getX());
top = Math.min(top, box.getBaseline() - box.getAscent());
bottom = Math.max(bottom, box.getBaseline() + box.getDescent());
}
int width = LabelFigure.this.getClientArea().width;
if (isFixLayout) {
int maxWidth = calcMaxSegment() - getInsets().getWidth();
width = Math.max(width, maxWidth);
}
setBounds(
new Rectangle(
left,
top,
width,
Math.max(LabelFigure.this.getClientArea().height, bottom - top)));
if (isFixLayout()) {
Figure child = (Figure) getParent();
Rectangle rect = child.getBounds();
child.setBounds(new Rectangle(rect.x, rect.y, width, rect.height));
}
list = getChildren();
for (int i = 0; i < list.size(); i++) {
((FlowFigure) list.get(i)).postValidate();
}
} else {
super.postValidate();
}
}
};
label.setLayoutManager(new ParagraphTextLayout(label, ParagraphTextLayout.WORD_WRAP_SOFT));
flowPage = new FlowPage();
flowPage.add(label);
setLayoutManager(new StackLayout());
add(flowPage);
}