private void computeAttatchCommand(XamlAttribute parent, FormAttachment attachment) {
XamlElement attachmentChild = parent.getChild("FormAttachment", IConstants.XWT_NAMESPACE);
if (attachmentChild == null) {
attachmentChild =
XamlFactory.eINSTANCE.createElement("FormAttachment", IConstants.XWT_NAMESPACE);
}
Control control = attachment.control;
if (control != null) {
String controlName = getName(control);
if (controlName == null) {
controlName = NamedCommand.generateName(control);
addCommand(new NamedCommand(control, controlName));
}
XamlAttribute controlAttr = attachmentChild.getAttribute("control", IConstants.XWT_NAMESPACE);
if (controlAttr == null) {
controlAttr = XamlFactory.eINSTANCE.createAttribute("control", IConstants.XWT_NAMESPACE);
}
XamlElement bindChild = controlAttr.getChild("Binding", IConstants.XWT_NAMESPACE);
if (bindChild == null) {
bindChild = XamlFactory.eINSTANCE.createElement("Binding", IConstants.XWT_NAMESPACE);
}
ApplyAttributeSettingCommand command =
new ApplyAttributeSettingCommand(
bindChild, "ElementName", IConstants.XWT_NAMESPACE, controlName);
addCommand(command);
addNewChild(controlAttr, bindChild);
addNewChild(attachmentChild, controlAttr);
/* if (attachment.alignment != SWT.DEFAULT) */ {
String alignment = "SWT.DEFAULT";
switch (attachment.alignment) {
case SWT.TOP:
alignment = "SWT.TOP";
break;
case SWT.BOTTOM:
alignment = "SWT.BOTTOM";
break;
case SWT.RIGHT:
alignment = "SWT.RIGHT";
break;
case SWT.CENTER:
alignment = "SWT.CENTER";
break;
case SWT.LEFT:
alignment = "SWT.LEFT";
break;
}
command =
new ApplyAttributeSettingCommand(
attachmentChild, "alignment", IConstants.XWT_NAMESPACE, alignment);
addCommand(command);
}
} else {
addCommand(new DeleteCommand(attachmentChild.getAttribute("control")));
}
/* if (attachment.denominator != 100) */ {
ApplyAttributeSettingCommand command =
new ApplyAttributeSettingCommand(
attachmentChild,
"denominator",
IConstants.XWT_NAMESPACE,
Integer.toString(attachment.denominator));
addCommand(command);
}
/* if (attachment.numerator != 0) */ {
ApplyAttributeSettingCommand command =
new ApplyAttributeSettingCommand(
attachmentChild,
"numerator",
IConstants.XWT_NAMESPACE,
Integer.toString(attachment.numerator));
addCommand(command);
}
/* if (attachment.offset != 0) */ {
ApplyAttributeSettingCommand command =
new ApplyAttributeSettingCommand(
attachmentChild,
"offset",
IConstants.XWT_NAMESPACE,
Integer.toString(attachment.offset));
addCommand(command);
}
addNewChild(parent, attachmentChild);
}
private static BindingInfo createBindingInfo(
Object targetSource, String propertyName, XamlElement bindingNode) {
BindingInfo bindingInfo = bindingCache.get(bindingNode);
if (bindingInfo != null) {
// TODO: To check if binding changed.
return bindingInfo;
}
Observable target = ObservableUtil.getObservable(targetSource);
Property targetProperty = target.getProperty(propertyName);
String elementName = null;
String modelPropertyName = null;
String bindingMode = null;
String updateTtrigger = null;
String converter = null;
XamlAttribute attribute = bindingNode.getAttribute(ELEMENT_NAME);
if (attribute != null) {
elementName = attribute.getValue();
}
attribute = bindingNode.getAttribute(PATH);
if (attribute != null) {
modelPropertyName = attribute.getValue();
}
attribute = bindingNode.getAttribute(MODE);
if (attribute != null) {
bindingMode = attribute.getValue();
}
attribute = bindingNode.getAttribute(CONVERTER);
if (attribute != null) {
converter = attribute.getValue();
}
attribute = bindingNode.getAttribute(UPDATE_SOURCE_TRIGGER);
if (attribute != null) {
updateTtrigger = attribute.getValue();
}
Object modelSource;
if (elementName != null) {
modelSource = XWT.findElementByName(targetSource, elementName);
} else {
modelSource = getDataContext(targetSource);
}
IObservable model = ObservableUtil.getObservable(modelSource);
if (model == null) {
return null;
}
Property modelProperty = model.getProperty(modelPropertyName);
bindingInfo = new BindingInfo(new BindingContext(target, targetProperty, model, modelProperty));
bindingInfo.setElementName(elementName);
if (bindingMode != null) {
bindingInfo.setBindingMode(BindingMode.valueOf(bindingMode));
}
if (updateTtrigger != null) {
bindingInfo.setTriggerMode(UpdateSourceTrigger.valueOf(updateTtrigger));
}
bindingInfo.setConverter(converter);
bindingInfo.setBindingNode(bindingNode);
bindingCache.put(bindingNode, bindingInfo);
return bindingInfo;
}