org.turro.zkoss.input.DualSelectorListbox< T > Class Template Reference

Inheritance diagram for org.turro.zkoss.input.DualSelectorListbox< T >:

Collaboration diagram for org.turro.zkoss.input.DualSelectorListbox< T >:

Classes
class	ChooseEvent

Public Member Functions
	DualSelectorListbox ()
void	chooseItem ()
void	unchooseItem ()
void	chooseAllItem ()
void	unchooseAll ()
void	top ()
void	up ()
void	down ()
void	bottom ()
void	setModel (List< T > candidate)
List< T >	getChosenDataList ()
void	render (Listitem item, T data, int index) throws Exception

Protected Member Functions
abstract void	doRender (Listitem item, T data, int index)

Detailed Description

Original source from Potix found at: http://www.zkoss.org/zkdemo/listbox/dual_listbox

The original is a piece-of-art code, changes were made to support unknown-type items and allow multiple selections.

Author

Lluis Turró Cutiller lluis.nosp@m.@tur.nosp@m.ro.or.nosp@m.g

Definition at line 50 of file DualSelectorListbox.java.

Constructor & Destructor Documentation

DualSelectorListbox()

org.turro.zkoss.input.DualSelectorListbox< T >.DualSelectorListbox

(

)

Definition at line 60 of file DualSelectorListbox.java.

                               {
    Executions.createComponents("/WEB-INF/_zul/bs/comps/dualSelector/dualSelectorListbox.zul", this, null);
    Selectors.wireComponents(this, this, false);
    Selectors.wireEventListeners(this, this);
    chosenLb.setModel(selectedModel = new ListModelList<T>());
    if(chosenLb.getModel() instanceof Selectable) {
      ((Selectable) chosenLb.getModel()).setMultiple(true);
    }
    candidateLb.setItemRenderer(this);
    chosenLb.setItemRenderer(this);
  }

Member Function Documentation

bottom()

void org.turro.zkoss.input.DualSelectorListbox< T >.bottom

(

)

Definition at line 150 of file DualSelectorListbox.java.

                       {
    Iterator<T> iterator = new LinkedHashSet<T>(selectedModel.getSelection()).iterator();
    while (iterator.hasNext()) {
      T selectedItem = iterator.next();
      selectedModel.remove(selectedItem);
      selectedModel.add(selectedItem);
      selectedModel.addToSelection(selectedItem);
    }
    Events.postEvent(new ChooseEvent(this, null));
  }

chooseAllItem()

void org.turro.zkoss.input.DualSelectorListbox< T >.chooseAllItem

(

)

Definition at line 83 of file DualSelectorListbox.java.

                              {
    for (int i = 0, j = optionsModel.getSize(); i < j; i++) {
      selectedModel.add(optionsModel.getElementAt(i));
    }
    optionsModel.clear();
  }

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chooseItem()

void org.turro.zkoss.input.DualSelectorListbox< T >.chooseItem

(

)

Definition at line 73 of file DualSelectorListbox.java.

                           {
    Events.postEvent(new ChooseEvent(this, chooseOne()));
  }

doRender()

abstract void org.turro.zkoss.input.DualSelectorListbox< T >.doRender ( Listitem  item, T  data, int  index  )

abstractprotected

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down()

void org.turro.zkoss.input.DualSelectorListbox< T >.down

(

)

Definition at line 131 of file DualSelectorListbox.java.

                     {
    Set<T> selected = selectedModel.getSelection();
    if (selected.isEmpty()) {
      return;
    }
    int index = selectedModel.indexOf(selected.iterator().next());
    if (index == selectedModel.size() - selected.size() || index < 0) {
      return;
    }
    ArrayList<T> clone = (ArrayList<T>) new ArrayList<T>(selected).clone();
    selectedModel.removeAll(selected);
    selectedModel.addAll(++index, clone);
    for(T selectedItem : clone) {
      selectedModel.addToSelection(selectedItem);
    }
    Events.postEvent(new ChooseEvent(this, null));
  }

getChosenDataList()

List<T> org.turro.zkoss.input.DualSelectorListbox< T >.getChosenDataList

(

)

Returns

current chosen data list

Definition at line 177 of file DualSelectorListbox.java.

                                     {
    return new ArrayList<T>(selectedModel);
  }

render()

void org.turro.zkoss.input.DualSelectorListbox< T >.render	(	Listitem	item,
		T	data,
		int	index
	)		throws Exception

Definition at line 196 of file DualSelectorListbox.java.

                                                                        {
    doRender(item, data, index);
  }

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setModel()

void org.turro.zkoss.input.DualSelectorListbox< T >.setModel

(

List< T >

candidate

)

Set new candidate ListModelList.

Parameters

candidate

is the data of candidate list model

Definition at line 166 of file DualSelectorListbox.java.

                                          {
    candidateLb.setModel(this.optionsModel = new ListModelList<T>(candidate));
    selectedModel.clear();
    if(candidateLb.getModel() instanceof Selectable) {
      ((Selectable) candidateLb.getModel()).setMultiple(true);
    }
  }

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top()

void org.turro.zkoss.input.DualSelectorListbox< T >.top

(

)

Definition at line 99 of file DualSelectorListbox.java.

                    {
    int i = 0;
    Iterator<T> iterator = new LinkedHashSet<T>(selectedModel.getSelection()).iterator();
    while (iterator.hasNext()) {
      T selectedItem = iterator.next();
      selectedModel.remove(selectedItem);
      selectedModel.add(i++, selectedItem);
      selectedModel.addToSelection(selectedItem);
    }
    Events.postEvent(new ChooseEvent(this, null));
  }

unchooseAll()

void org.turro.zkoss.input.DualSelectorListbox< T >.unchooseAll

(

)

Definition at line 91 of file DualSelectorListbox.java.

                            {
    for (int i = 0, j = selectedModel.getSize(); i < j; i++) {
      optionsModel.add(selectedModel.getElementAt(i));
    }
    selectedModel.clear();
  }

unchooseItem()

void org.turro.zkoss.input.DualSelectorListbox< T >.unchooseItem

(

)

Definition at line 78 of file DualSelectorListbox.java.

                             {
    Events.postEvent(new ChooseEvent(this, unchooseOne()));
  }

up()

void org.turro.zkoss.input.DualSelectorListbox< T >.up

(

)

Definition at line 112 of file DualSelectorListbox.java.

                   {
    Set<T> selected = selectedModel.getSelection();
    if (selected.isEmpty()) {
      return;
    }
    int index = selectedModel.indexOf(selected.iterator().next());
    if (index == 0 || index < 0) {
      return;
    }    
    ArrayList<T> clone = (ArrayList<T>) new ArrayList<T>(selected).clone();
    selectedModel.removeAll(selected);
    selectedModel.addAll(--index, clone);
    for(T selectedItem : clone) {
      selectedModel.addToSelection(selectedItem);
    }
    Events.postEvent(new ChooseEvent(this, null));
  }

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The documentation for this class was generated from the following file:

• DualSelectorListbox.java