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index.zulzul<zk>
<window border="normal" title="hello" apply="pkg$.TestComposer">
<div>Welcome to ZK Fiddle , run it right now!</div>
<button id="btn" label="Click Me To Evalute Event Binding With Composer" />
</window>
</zk>
TestComposer.javajavaimport org.zkoss.zk.ui.*;
import org.zkoss.zk.ui.event.*;
import org.zkoss.zk.ui.util.*;
import org.zkoss.zk.ui.ext.*;
import org.zkoss.zk.au.*;
import org.zkoss.zk.au.out.*;
import org.zkoss.zul.*;
public class TestComposer extends GenericForwardComposer{
public void doAfterCompose(Component comp) throws Exception {
super.doAfterCompose(comp);
}
public void onClick$btn(Event e) throws InterruptedException{
Messagebox.show("Hi btn");
}
}
AutoComboBox.javajavapackage cz.ccv.orionutil.zk.components.acb;
import java.util.HashMap;
import java.util.Map;
import org.zkoss.zk.ui.Component;
import org.zkoss.zk.ui.Executions;
import org.zkoss.zk.ui.IdSpace;
import org.zkoss.zk.ui.WrongValueException;
import org.zkoss.zk.ui.event.*;
import org.zkoss.zk.ui.util.Clients;
import org.zkoss.zk.ui.util.ConventionWires;
import org.zkoss.zul.Bandbox;
import org.zkoss.zul.ListModelList;
import org.zkoss.zul.Listbox;
import org.zkoss.zul.Listitem;
import org.zkoss.zul.Paging;
import org.zkoss.zul.event.ListDataEvent;
import org.zkoss.zul.event.ListDataListener;
import org.zkoss.zul.event.PagingEvent;
import org.zkoss.zul.event.ZulEvents;
public class AutoComboBox extends Bandbox implements IdSpace {
public final static String ON_SELECTED = "onSelected";
public final static String ON_DESELECTED = "onDeselected";
//Service ktera obsahuje potrebne metody pro funkci komponenty
private AcbService service;
private Paging paging1;
private Paging paging2;
private Listbox listbox;
private final String ctrlKeys = "#down";//"#up#down#pgdn#pgup";
private final String listboxCtrlKeys = "#up#down#pgdn#pgup";
private ListModelList model = new ListModelList();
private Map paramsMap = new HashMap(0);
//private Integer selectedItemIndex;
private Long selectedIdValue;
// Tento parametr umoznuje zadavat do boxu jakekoli string, nemusi byt najity v service
private boolean freeform = false;
private boolean autodrop = true;
private int minSearchLength;
public AutoComboBox(String value) throws WrongValueException {
super(value);
addEventListeners();
//this.setCtrlKeys(ctrlKeys);
this.minSearchLength = 2;
}
public AutoComboBox() {
this("");
}
public void initialize(AcbService service) {
Executions.createComponents(service.getZulFile(), this, paramsMap);
//2. Wire variables (optional)
ConventionWires.wireVariables(this, this, '$', true, true);
//ignore zscript and variable resolvers for better performance (optional)
//3. Wire event listeners (optional)
ConventionWires.addForwards(this, this, '$');
listbox.setItemRenderer(service.getRenderer(paramsMap));
//listbox.setCtrlKeys(listboxCtrlKeys);
setService(service);
}
/**
* Podle id zadaneho objektu ho nastavi jako vybrany, pokud id = null vyber
* se zrusi
*
* @param id
*/
public void setSelectedId(final Long id) {
selectedIdValue = id;
if (id != null) {
String textValue = "";
model.clear();
model.add(service.findById(id));
textValue = service.getTextValue(id, getParamsMap());
this.setText(textValue);
} else {
this.setValue("");
}
}
/**
* Vrati id vybrane polozky. Pokud neni zadna vybrana, vraci null
*
* @return String id nebo null
*/
public Long getSelectedId() {
return selectedIdValue;
}
/**
* Metoda prida EventListenery potrebne pro spravnou funkci komponenty Az po
* vykresleni cele komponenty
*/
protected final void addEventListeners() {
this.addEventListener(Events.ON_CREATE, new EventListener() {
@Override
public void onEvent(Event event) throws Exception {
if (getFirstChild() != null) {
Component comp = getFirstChild().getFellow("listbox");
if (comp instanceof Listbox) {
listbox = (Listbox) comp;
addEventListener(10000, Events.ON_CHANGING, changeListener);
//addEventListener(Events.ON_CTRL_KEY, openOnKeyListener);
addEventListener(Events.ON_OPEN, fillAllListener);
addEventListener(Events.ON_BLUR, blurListener);
//listbox.addEventListener(Events.ON_CTRL_KEY, focusListener);
listbox.addEventListener(Events.ON_SELECT, onSelectListener);
paging1.addEventListener(ZulEvents.ON_PAGING, pagingListener);
paging2.addEventListener(ZulEvents.ON_PAGING, pagingListener);
listbox.setModel(model);
listbox.getModel().addListDataListener(heighListener);
paging1.setPageSize(50);
paging1.setActivePage(0);
paging2.setPageSize(50);
paging2.setActivePage(0);
}
}
}
});
}
// Pokud komponenta ztrati focus
EventListener pagingListener = new EventListener() {
@Override
public void onEvent(Event event) {
//listbox.setSelectedIndex(0);
//listbox.clearSelection();
PagingEvent pe = (PagingEvent) event;
int activePage = pe.getActivePage();
paging1.setActivePage(activePage);
paging2.setActivePage(activePage);
AutoComboBox autocombobox = (AutoComboBox) event.getTarget().getParent().getParent();
model.clear();
model.addAll(service.findByKey(autocombobox.getValue(), paramsMap, getPagingFrom(), 50L));
Listitem topItem = listbox.getItemAtIndex(pe.getActivePage() * pe.getPageable().getPageSize());
Clients.scrollIntoView(topItem);
}
};
// Pokud komponenta ztrati focus
EventListener blurListener = new EventListener() {
@Override
public void onEvent(Event event) {
// pokud nebyla vybrana hodnota ze seznamu
if (getSelectedId() == null) {
// vymaze manualne zadanou hodnotu pokud nepouzivame freeform parametr (hodnota nebyla zadana vyberem z konkretniho zaznmu)
if (freeform == false) {
setValue("");
}
Events.postEvent(AutoComboBox.ON_DESELECTED, listbox.getParent().getParent(), null);
}
}
};
// Pokud prekroci pocet prvku urcity pocet, nastavi ce pevna vyska listboxu
ListDataListener heighListener = new ListDataListener() {
@Override
public void onChange(ListDataEvent event) {
// if (event.getIndex1() > 10) {
// listbox.setHeight("300px");
// } else {
// listbox.setHeight(null);
// }
listbox.invalidate();
}
};
// Podle zadaneho klicoveho slova vyhleda v databazi a vysledky preda do komponenty
EventListener changeListener = new EventListener() {
@Override
public void onEvent(Event event) throws Exception {
InputEvent ie = (InputEvent) event;
if (ie.isChangingBySelectBack() == false) {
model.clear();
setOpen(false);
Long totalCount = service.getTotalCount(ie.getValue(), paramsMap);
updatePaginatorsTotalCount(totalCount);
//listbox.invalidate();
if (autodrop && ie.getValue().length() > minSearchLength) {
setOpen(true);
model.addAll(service.findByKey(ie.getValue(), paramsMap, getPagingFrom(), 50L));
} else {
setSelectedId(null);
}
listbox.invalidate();
}
}
};
// Pokud nejsou zadane zadne podminky vyhledavani, naplni komponentu celou kolekci vysledku
EventListener fillAllListener = new EventListener() {
@Override
public void onEvent(Event event) throws Exception {
OpenEvent oe = (OpenEvent) event;
//if (oe.isOpen())
{
//} else {
Component comp = event.getTarget().getFirstChild().getFellowIfAny("listbox");
if (comp instanceof Listbox) {
Listbox listbox = (Listbox) comp;
if (listbox.getSelectedItem() != null) {
// Zaslani nove udalosti o vyberu konkretniho zaznamu
setSelectedId(Long.valueOf(listbox.getSelectedItem().getValue().toString()));
Events.postEvent(AutoComboBox.ON_SELECTED, listbox.getParent().getParent(), null);
} else {
if (freeform == false) {
setSelectedId(null);
}
}
}
}
model.clear();
// Pri zmacknuti lupy se vzdy vyhleda vse
if (oe.isOpen()) {
model.addAll(service.findByKey("", paramsMap, getPagingFrom(), 50L));
setText("");
Long totalCount = service.getTotalCount("", paramsMap);
updatePaginatorsTotalCount(totalCount);
}
listbox.invalidate();
}
};
/**
* Metoda updatuje celkovy pocet polozek v paginatoru
* @param totalCount
* @throws WrongValueException
*/
private void updatePaginatorsTotalCount(Long totalCount) throws WrongValueException {
paging1.setTotalSize(totalCount.intValue());
paging2.setTotalSize(totalCount.intValue());
paging1.setActivePage(0);
paging2.setActivePage(0);
paging1.invalidate();
paging2.invalidate();
}
// Tento listener slouzi ke zmene focusu na popup list box pri zmacknuti definovanych klaves
EventListener focusListener = new EventListener() {
@Override
public void onEvent(Event event) throws Exception {
Listbox listbox = (Listbox) event.getTarget();
//listbox.setSelectedIndex(0);
listbox.setFocus(true);
}
};
// Tento listener vybere na klik hodnotu ze seznamu
EventListener onSelectListener = new EventListener() {
@Override
public void onEvent(Event event) throws Exception {
Listbox listbox = (Listbox) event.getTarget();
setOpen(false);
Events.sendEvent(new OpenEvent(Events.ON_OPEN, listbox.getParent().getParent(), false));
}
};
// Logika pro otevreni klavesou DOWN
EventListener openOnKeyListener = new EventListener() {
@Override
public void onEvent(Event event) throws Exception {
KeyEvent keyEvent = (KeyEvent) event;
if (keyEvent.getKeyCode() == keyEvent.DOWN) {
AutoComboBox autoCompBox = (AutoComboBox) keyEvent.getTarget();
Object object = autoCompBox.getFirstChild().getFellowIfAny("listbox");
if (object instanceof Listbox) {
Listbox listbox = (Listbox) object;
model.clear();
setOpen(false);
listbox.setFocus(true);
//listbox.invalidate();
if (autodrop) {
setOpen(true);
model.addAll(service.findByKey(autoCompBox.getValue(), paramsMap, getPagingFrom(), 50L));
}
//listbox.invalidate();
}
}
}
};
// Logika pro funkci navigace pomoci klaves UP,DOWN,PAGE_UP, PAGE_DOWN
EventListener navigationListener = new EventListener() {
@Override
public void onEvent(Event event) throws Exception {
KeyEvent keyEvent = (KeyEvent) event;
AutoComboBox autoCompBox = (AutoComboBox) keyEvent.getTarget();
Object object = autoCompBox.getFirstChild().getFellowIfAny("listbox");
if (object instanceof Listbox) {
Listbox listbox = (Listbox) object;
int selectedIndex = listbox.getSelectedIndex();
if (listbox.getItemCount() > 0) {
autoCompBox.setOpen(true);
/*
int pageSize = 20;
switch(keyEvent.getKeyCode()) {
case KeyEvent.UP:
selectIndex(listbox, selectedIndex - 1, autoCompBox);
break;
case KeyEvent.DOWN:
selectIndex(listbox, selectedIndex + 1, autoCompBox);
break;
case KeyEvent.PAGE_UP:
selectIndex(listbox, selectedIndex - pageSize, autoCompBox);
break;
case KeyEvent.PAGE_DOWN:
selectIndex(listbox, selectedIndex + pageSize, autoCompBox);
break;
}
*/
} else if (keyEvent.getKeyCode() == keyEvent.DOWN) {
model.clear();
setOpen(false);
//listbox.invalidate();
if (autodrop) {
setOpen(true);
model.addAll(service.findByKey(autoCompBox.getValue(), paramsMap, getPagingFrom(), 50L));
} else {
setSelectedId(null);
}
listbox.invalidate();
}
}
}
};
private void selectIndex(Listbox listbox, int index, AutoComboBox acb) {
int count = listbox.getItemCount();
if (index < 0) index = 0;
if (index >= count) index = count-1;
listbox.setSelectedIndex(index);
// if (acb != null && listbox.getSelectedItem().getValue() != null) {
// acb.setText(service.getTextValue((Long) listbox.getSelectedItem().getValue(), paramsMap));
// }
}
public AcbService getService() {
return service;
}
public void setService(AcbService service) {
this.service = service;
}
public Map getParamsMap() {
return paramsMap;
}
/**
* Metoda umozni nastavit paramatery, ktere se daji vyuzit v service pro
* Autocombobox
*
* @param paramsMap
*/
public void setParamsMap(Map paramsMap) {
this.paramsMap = paramsMap;
}
public void setParams(String params) {
String[] paramsArray = params.split(",");
Map map = getParamsMap();
for (String param : paramsArray) {
String[] split = param.split("=");
map.put(split[0], split[1]);
}
setParamsMap(map);
}
public void setParam(String key, String value) {
getParamsMap().put(key, value);
}
public void setParam(String key, Object value) {
getParamsMap().put(key, value);
}
public boolean getFreeform() {
return freeform;
}
/**
* Tento parametr umoznuje zadavat do boxu jakekoli string, nemusi byt
* nalezen skrz sluzbu(service)
*
* @param freeform
*/
public void setFreeform(boolean freeform) {
this.freeform = freeform;
}
public int getMinSearchLength() {
return minSearchLength;
}
public void setMinSearchLength(int minSearchLength) {
this.minSearchLength = minSearchLength;
}
public Listbox getListbox() {
return listbox;
}
public void setListbox(Listbox listbox) {
this.listbox = listbox;
}
private Long getPagingFrom() {
int activePage = paging1.getActivePage();
int pageSize = paging1.getPageSize();
int from = activePage * pageSize;
return (long) from;
}
}