org.apache.commons.jelly.tags.swt
Class WidgetTag
java.lang.Object
|
+--org.apache.commons.jelly.TagSupport
|
+--org.apache.commons.jelly.DynaTagSupport
|
+--org.apache.commons.jelly.MapTagSupport
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+--org.apache.commons.jelly.tags.core.UseBeanTag
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+--org.apache.commons.jelly.tags.swt.WidgetTag
- All Implemented Interfaces:
- org.apache.commons.jelly.impl.BeanSource, org.apache.commons.jelly.DynaTag, org.apache.commons.jelly.Tag
- Direct Known Subclasses:
- DialogTag, MenuTag
- public class WidgetTag
- extends org.apache.commons.jelly.tags.core.UseBeanTag
This tag creates an SWT widget based on the parent tag, optionally declaring
this widget as a variable if the var attribute is specified.
- Version:
- 1.1
- Author:
- James Strachan, Christiaan ten Klooster
Field Summary |
protected org.eclipse.swt.widgets.Widget |
parent
|
Fields inherited from class org.apache.commons.jelly.TagSupport |
body, context, hasTrimmed, shouldTrim |
Constructor Summary |
WidgetTag(java.lang.Class widgetClass)
|
WidgetTag(java.lang.Class widgetClass,
int style)
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Method Summary |
protected void |
attachWidgets(java.lang.Object parent,
org.eclipse.swt.widgets.Widget widget)
Provides a strategy method to allow a new child widget to be attached to
its parent |
protected void |
clearBean()
Sets the bean to null, to prevent it from
sticking around in the event that this tag instance is
cached. |
protected java.lang.Object |
createWidget(java.lang.Class theClass,
org.eclipse.swt.widgets.Widget parent,
int style)
Factory method to create an instance of the given Widget class with
the given parent and SWT style |
void |
doTag(org.apache.commons.jelly.XMLOutput output)
|
protected org.eclipse.swt.graphics.Color |
getColor(org.eclipse.swt.widgets.Control control,
java.lang.Object colorValue)
Get a color for the control |
org.eclipse.swt.widgets.Widget |
getParentWidget()
|
protected int |
getStyle(java.util.Map attributes)
Creates the SWT style code for the current attributes |
org.eclipse.swt.widgets.Widget |
getWidget()
|
protected java.lang.Object |
newInstance(java.lang.Class theClass,
java.util.Map attributes,
org.apache.commons.jelly.XMLOutput output)
Factory method to create a new widget |
protected void |
setBeanProperties(java.lang.Object bean,
java.util.Map attributes)
|
protected void |
setSize(org.eclipse.swt.widgets.Control control,
java.lang.Object size)
set the size of the control |
java.lang.String |
toString()
|
Methods inherited from class org.apache.commons.jelly.tags.core.UseBeanTag |
addIgnoreProperty, convertToClass, getBean, getDefaultClass, getIgnorePropertySet, isIgnoreUnknownProperties, loadClass, processBean, setBean, setIgnoreUnknownProperties, validateBeanProperties |
Methods inherited from class org.apache.commons.jelly.MapTagSupport |
createAttributes, getAttributes, setAttribute |
Methods inherited from class org.apache.commons.jelly.DynaTagSupport |
getAttributeType |
Methods inherited from class org.apache.commons.jelly.TagSupport |
findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, findAncestorWithClass, getBody, getBodyText, getBodyText, getContext, getParent, invokeBody, isEscapeText, isTrim, setBody, setContext, setEscapeText, setParent, setTrim, trimBody |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.apache.commons.jelly.Tag |
getBody, getContext, getParent, invokeBody, setBody, setContext, setParent |
parent
protected org.eclipse.swt.widgets.Widget parent
WidgetTag
public WidgetTag(java.lang.Class widgetClass)
WidgetTag
public WidgetTag(java.lang.Class widgetClass,
int style)
toString
public java.lang.String toString()
- Overrides:
toString
in class java.lang.Object
getWidget
public org.eclipse.swt.widgets.Widget getWidget()
- Returns:
- the visible widget, if there is one.
getParentWidget
public org.eclipse.swt.widgets.Widget getParentWidget()
- Returns:
- the parent widget which this widget will be added to.
doTag
public void doTag(org.apache.commons.jelly.XMLOutput output)
throws org.apache.commons.jelly.JellyTagException
- Overrides:
doTag
in class org.apache.commons.jelly.tags.core.UseBeanTag
newInstance
protected java.lang.Object newInstance(java.lang.Class theClass,
java.util.Map attributes,
org.apache.commons.jelly.XMLOutput output)
throws org.apache.commons.jelly.JellyTagException
- Factory method to create a new widget
- Overrides:
newInstance
in class org.apache.commons.jelly.tags.core.UseBeanTag
setBeanProperties
protected void setBeanProperties(java.lang.Object bean,
java.util.Map attributes)
throws org.apache.commons.jelly.JellyTagException
- Overrides:
setBeanProperties
in class org.apache.commons.jelly.tags.core.UseBeanTag
getColor
protected org.eclipse.swt.graphics.Color getColor(org.eclipse.swt.widgets.Control control,
java.lang.Object colorValue)
- Get a color for the control
- Parameters:
control
- colorValue
-
setSize
protected void setSize(org.eclipse.swt.widgets.Control control,
java.lang.Object size)
- set the size of the control
- Parameters:
control
- size
-
attachWidgets
protected void attachWidgets(java.lang.Object parent,
org.eclipse.swt.widgets.Widget widget)
throws org.apache.commons.jelly.JellyTagException
- Provides a strategy method to allow a new child widget to be attached to
its parent
- Parameters:
parent
- is the parent widget which is never nullwidget
- is the new child widget to be attached to the parent
createWidget
protected java.lang.Object createWidget(java.lang.Class theClass,
org.eclipse.swt.widgets.Widget parent,
int style)
throws org.apache.commons.jelly.JellyTagException
- Factory method to create an instance of the given Widget class with
the given parent and SWT style
- Parameters:
theClass
- is the type of widget to createparent
- is the parent widgetstyle
- the SWT style code- Returns:
- the new Widget
getStyle
protected int getStyle(java.util.Map attributes)
throws org.apache.commons.jelly.JellyTagException
- Creates the SWT style code for the current attributes
- Returns:
- the SWT style code
clearBean
protected void clearBean()
- Sets the bean to null, to prevent it from
sticking around in the event that this tag instance is
cached. This method is called at the end of doTag.
Copyright © 2002-2004 Apache Software Foundation. All Rights Reserved.