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Re: [eclipse-incubator-e4-dev] Initial discussion onthe'modelled'workbenchUI
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Hi,
In my current EricToTom-Transformation I've modeled it currently like this:
EPresentationModelElement EStyle
^ ^ ^
| | |
-----------------------------------------| |
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EGUIElement x------------> EStyleClass
0..1
Tom
Yves YANG schrieb:
public class UIElement {
private Style style;
private class WrappedStyle extends Style {
private HashMap ownMap = new HashMap();
private WrappedStyle(Style style) {
this.style = style;
}
public String get(String name) {
if( ownMap.contains(name) ) {
return ownMap.get(name);
}
}
public void set(String name, String value) {
ownMap.put(name,value);
}
}
// Allows reading without the need to wrap
public String getStyleAttribute(String name) {
return style.get(name)
}
public String setStyleAttribute(String name, String value) {
getStyle().set(name,value);
}
public Style getStyle() {
if( !( style instanceof WrappedStyle ) ) {
this.style = new WrappedStyle(this.style);
}
return style;
}
}
In general, we have the same idea.
Here is what I suggest:
public class UIElement {
private Style style;
private HashMap ownMap = new HashMap();
// Allows reading without the need to wrap
public Object getValue(String name) {
if (ownMap.containsKey(name)) {
return ownMap.get(name);
}
return getDefaultValue(name);
}
protected Object getDefaultValue (String name) {
if (style != null) {
return style.get(name);
}
return null;
}
public Object getLocalValue(String name) {
return ownMap.get(name);
}
public boolean hasLocalValue(String name) {
return ownMap.containsKey(name);
}
public void unsetValue(String name) {
ownMap.remove(name);
}
public void setValue(String name, Object value) {
ownMap.set(name, value);
}
public Style getStyle() {
return style;
}
}
Style is subclass UIElement.
yves
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