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java.lang.Objectorg.zkoss.zk.ui.AbstractComponent
org.zkoss.zk.ui.HtmlBasedComponent
org.zkoss.zul.impl.XulElement
org.zkoss.zul.impl.HeadersElement
org.zkoss.zul.Listhead
public class Listhead
A list headers used to define multi-columns and/or headers.
Difference from XUL:
Listhead
.
Reason: easier to write Listbox.Default getZclass()
: z-listhead.(since 5.0.0)
Nested Class Summary |
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Nested classes/interfaces inherited from class org.zkoss.zk.ui.HtmlBasedComponent |
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HtmlBasedComponent.ExtraCtrl |
Nested classes/interfaces inherited from class org.zkoss.zk.ui.AbstractComponent |
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AbstractComponent.Children |
Field Summary |
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Fields inherited from class org.zkoss.zk.ui.HtmlBasedComponent |
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_height, _left, _top, _width, _zclass |
Fields inherited from class org.zkoss.zk.ui.AbstractComponent |
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_visible |
Fields inherited from interface org.zkoss.zk.ui.Component |
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APPLICATION_SCOPE, COMPONENT_SCOPE, DESKTOP_SCOPE, PAGE_SCOPE, REQUEST_SCOPE, SESSION_SCOPE, SPACE_SCOPE |
Fields inherited from interface org.zkoss.zk.ui.sys.ComponentCtrl |
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CE_BUSY_IGNORE, CE_DUPLICATE_IGNORE, CE_IMPORTANT, CE_NON_DEFERRABLE, CE_REPEAT_IGNORE |
Constructor Summary | |
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Listhead()
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Method Summary | |
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void |
beforeChildAdded(Component child,
Component refChild)
Default: does nothing. |
void |
beforeParentChanged(Component parent)
Default: does nothing. |
Listbox |
getListbox()
Returns the list box that it belongs to. |
Listbox |
getListboxApi()
Returns the list box that it belongs to. |
java.lang.Object |
getValue()
Returns the value. |
java.lang.String |
getZclass()
Returns the ZK Cascading Style class(es) for this component. |
void |
setValue(java.lang.Object value)
Sets the value. |
Methods inherited from class org.zkoss.zul.impl.HeadersElement |
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isSizable, renderProperties, service, setSizable |
Methods inherited from class org.zkoss.zul.impl.XulElement |
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getAction, getContext, getCtrlKeys, getPopup, getTooltip, setAction, setContext, setContext, setCtrlKeys, setPopup, setPopup, setTooltip, setTooltip |
Methods inherited from class org.zkoss.zk.ui.HtmlBasedComponent |
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focus, getDraggable, getDroppable, getHeight, getHflex, getLeft, getSclass, getStyle, getTooltiptext, getTop, getVflex, getWidth, getZindex, getZIndex, newExtraCtrl, setClass, setDraggable, setDroppable, setFocus, setHeight, setHflex, setLeft, setSclass, setStyle, setTooltiptext, setTop, setVflex, setWidth, setZclass, setZindex, setZIndex |
Methods inherited from class java.lang.Object |
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finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.zkoss.zul.impl.api.HeadersElement |
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isSizable, setSizable |
Methods inherited from interface org.zkoss.zul.impl.api.XulElement |
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getAction, getContext, getCtrlKeys, getPopup, getTooltip, setAction, setContext, setContext, setCtrlKeys, setPopup, setPopup, setTooltip, setTooltip |
Methods inherited from interface org.zkoss.zk.ui.api.HtmlBasedComponent |
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focus, getHeight, getLeft, getSclass, getStyle, getTooltiptext, getTop, getWidth, getZindex, getZIndex, setDraggable, setDroppable, setFocus, setHeight, setLeft, setSclass, setStyle, setTooltiptext, setTop, setWidth, setZclass, setZindex, setZIndex |
Methods inherited from interface org.zkoss.zk.ui.ext.Scope |
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addScopeListener, getAttribute, hasAttribute, removeAttribute, removeScopeListener, setAttribute |
Constructor Detail |
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public Listhead()
Method Detail |
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public Listbox getListbox()
It is the same as AbstractComponent.getParent()
.
public Listbox getListboxApi()
It is the same as AbstractComponent.getParent()
.
getListboxApi
in interface Listhead
public java.lang.Object getValue()
Default: null.
Note: the value is application dependent, you can place whatever value you want.
public void setValue(java.lang.Object value)
value
- the value.
Note: the value is application dependent, you can place whatever value you want.
public java.lang.String getZclass()
HtmlBasedComponent
Default: null (the default value depends on element).
HtmlBasedComponent.setZclass(java.lang.String)
) will completely replace the default style
of a component. In other words, the default style of a component
is associated with the default value of HtmlBasedComponent.getZclass()
.
Once it is changed, the default style won't be applied at all.
If you want to perform small adjustments, use HtmlBasedComponent.setSclass(java.lang.String)
instead.
getZclass
in interface HtmlBasedComponent
getZclass
in class HtmlBasedComponent
HtmlBasedComponent.getSclass()
public void beforeParentChanged(Component parent)
AbstractComponent
beforeParentChanged
in interface ComponentCtrl
beforeParentChanged
in class AbstractComponent
parent
- the new parent. If null, it means detachment.ComponentCtrl.beforeParentChanged(org.zkoss.zk.ui.Component)
public void beforeChildAdded(Component child, Component refChild)
AbstractComponent
beforeChildAdded
in interface ComponentCtrl
beforeChildAdded
in class AbstractComponent
child
- the child to be added (never null).refChild
- another child component that the new child
will be inserted before it. If null, the new child will be the
last child.ComponentCtrl.beforeChildAdded(org.zkoss.zk.ui.Component, org.zkoss.zk.ui.Component)
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