/* cb.js{{IS_NOTE	Purpose:		combobox, bandbox	Description:			History:		Fri Dec 16 18:28:03     2005, Created by tomyeh}}IS_NOTECopyright (C) 2005 Potix Corporation. All Rights Reserved.{{IS_RIGHT	This program is distributed under GPL Version 2.0 in the hope that	it will be useful, but WITHOUT ANY WARRANTY.}}IS_RIGHT*/zk.load("zul.widget");//////Customization/** Returns the background color for a combo item. * Developer can override this method by providing a different background. */if (!window.Comboitem_effect) { //define it only if not customized	window.Comboitem_effect = function (item, undo) {		if (undo) {			zk.rmClass(item, "overseld");			zk.rmClass(item, "overd");		} else			zk.addClass(item, zk.hasClass(item, "seld") ? "overseld": "overd");	};}////zkCmbox = {};zkCmbox.init = function (cmp) {	zkCmbox.onVisi = zkWgt.fixDropBtn; //widget.js is ready now	zkCmbox.onHide = zkTxbox.onHide; //widget.js is ready now	var inp = $real(cmp);	zkTxbox.init(inp);	zk.listen(inp, "keydown", zkCmbox.onkey);	zk.listen(inp, "click", function () {if (inp.readOnly && !zk.dragging) zkCmbox.onbutton(cmp);});		//To mimic SELECT, it drops down if readOnly	var btn = $e(cmp.id + "!btn");	if (btn) {		zk.listen(btn, "click", function () {if (!inp.disabled && !zk.dragging) zkCmbox.onbutton(cmp);});		zkWgt.fixDropBtn(cmp);	}};zkCmit = {};zkCmit.init = function (cmp) {	zk.listen(cmp, "click", zkCmit.onclick);	zk.listen(cmp, "mouseover", zkCmit.onover);	zk.listen(cmp, "mouseout", zkCmit.onout);};/** When an item is clicked. */zkCmit.onclick = function (evt) {	if (!evt) evt = window.event;	var item = $parentByTag(Event.element(evt), "TR");	if (item) {		zkCmbox._selback(item);		zkau.closeFloats($outer($parent(item)));			//including combobox, but excluding dropdown		zkCmit.onoutTo(item); //onmouseout might be sent (especiall we change parent)		//Request 1537962: better responsive		var inp = zkCmbox.getInputByItem(item);		if (inp) zkTxbox.updateChange(inp, false); //fire onChange		Event.stop(evt); //Bug 1597852 (cb might be a child of listitem)	}};/** onmouoseover(evt). */zkCmit.onover = function (evt) {	if (!zk.dragging) {		if (!evt) evt = window.event;		var item = $parentByTag(Event.element(evt), "TR");		if (item) Comboitem_effect(item);	}};/** onmouseout(evt). */zkCmit.onout = function (evt) {	if (!zk.dragging) {		if (!evt) evt = window.event;		zkCmit.onoutTo($parentByTag(Event.element(evt), "TR"));	}};zkCmit.onoutTo = function (item) {	if (item) Comboitem_effect(item, true);};/** Handles setAttr. */zkCmbox.setAttr = function (cmp, nm, val) {	if (nm == "repos") { //hilite the most matched item		var pp = $e(cmp.id + "!pp");		if (pp) {			pp.removeAttribute("zk_ckval"); //re-check is required			if ($visible(pp))				zkCmbox._open(cmp, cmp.id, pp, true);		}		return true;	} else if ("style" == nm) {		var inp = $real(cmp);		if (inp) zkau.setAttr(inp, nm, zk.getTextStyle(val, true, true));	} else if ("style.width" == nm) {		var inp = $real(cmp);		if (inp) {			inp.style.width = val;			return true;		}	} else if ("style.height" == nm) {		var inp = $real(cmp);		if (inp) {			inp.style.height = val;			return true;		}	} else if ("z.btnVisi" == nm) {		var btn = $e(cmp.id + "!btn");		if (btn) btn.style.display = val == "true" ? "": "none";		zkWgt.fixDropBtn(cmp);		return true;	} else if ("z.sel" == nm ) {		return zkTxbox.setAttr(cmp, nm, val);	}	zkau.setAttr(cmp, nm, val);	return true;};zkCmbox.rmAttr = function (cmp, nm) {	if ("style" == nm) {		var inp = $real(cmp);		if (inp) zkau.rmAttr(inp, nm);	} else if ("style.width" == nm) {		var inp = $real(cmp);		if (inp) inp.style.width = "";	} else if ("style.height" == nm) {		var inp = $real(cmp);		if (inp) inp.style.height = "";	}	zkau.rmAttr(cmp, nm);	return true;};zkCmbox.childchg = function (cb) {	//we have to re-adjust the width since children are added/removed	var pp = $e(cb.id + "!pp");	if (!$visible(pp))		return;	var ppofs = zkCmbox._ppofs(pp);	if (ppofs[0] == "auto") {		var pp2 = $e(cb.id + "!cave");		if (zk.ie) {			if (pp2) pp2.style.width = "";			pp.style.width = "";			setTimeout("zkCmbox._cc2('"+cb.id+"')", 0);				//we cannot handle it immediately in IE		} else {			zkCmbox._fixsz(cb, pp, pp2, ppofs);		}	}};zkCmbox._cc2 = function (uuid) {	var cb = $e(uuid);	var pp = $e(uuid + "!pp");	if ($visible(pp))		zkCmbox._fixsz(cb, pp, $e(cb.id + "!cave"), zkCmbox._ppofs(pp));};/** Eats UP/DN keys. */zkCmbox.ondown = function (evt) {	//IE: if NOT eat UP/DN here, it de-select the text	//IE: if we eat UP/DN here, onpress won't be sent	//IE: we have to handle UP/DN in onup (so the repeat feature is lost)	if (evt.keyCode == 38 || evt.keyCode == 40) { //UP and DN		Event.stop(evt);		return false;	}	if (evt.keyCode == 9) { //TAB; IE: close now so to show covered SELECT		var inp = Event.element(evt);		if (inp) {			var uuid = $uuid(inp.id);			var pp = $e(uuid + "!pp");			if ($visible(pp)) zkCmbox.close(pp);		}	}	return true;};zkCmbox.onkey = function (evt) {	var inp = Event.element(evt);	if (!inp) return true;	var uuid = $uuid(inp.id);	var cb = $e(uuid);	var pp = $e(uuid + "!pp");	if (!pp) return true;	var opened = $visible(pp);	if (evt.keyCode == 9 || (zk.safari && evt.keyCode == 0)) { //TAB or SHIFT-TAB (safari)		if (opened) zkCmbox.close(pp);		return true;	}	if (evt.altKey && (evt.keyCode == 38 || evt.keyCode == 40)) {//UP/DN		if (evt.keyCode == 38) { //UP			if (opened) zkCmbox.close(pp);		} else {			if (!opened) zkCmbox.open(pp, true);		}		//FF: if we eat UP/DN, Alt+UP degenerate to Alt (select menubar)		if (zk.ie) {			Event.stop(evt);			return false;		}		return true;	}	//Request 1537962: better responsive	if (opened && evt.keyCode == 13) { //ENTER		zkCmbox._autoselback(uuid); //Better usability(Bug 1633335): auto selback		zkTxbox.updateChange(inp, false); //fire onChange		return true;	}	if (evt.keyCode == 18 || evt.keyCode == 27 || evt.keyCode == 13	|| (evt.keyCode >= 112 && evt.keyCode <= 123)) //ALT, ESC, Enter, Fn		return true; //ignore it (doc will handle it)	var bCombobox = $type(cb) == "Cmbox";	var selback = evt.keyCode == 38 || evt.keyCode == 40; //UP and DN	if (getZKAttr(cb, "adr") == "true" && !opened)		zkCmbox.open(pp, bCombobox && !selback);	else if (!bCombobox)		return true; //ignore	else if (!selback && opened)		setTimeout("zkCmbox._hilite('"+uuid+"')", 1); //IE: keydown	if (selback/* || getZKAttr(cb, "aco") == "true"*/) {		//Note: zkCmbox.open won't repos immediately, so we have to delay it		setTimeout("zkCmbox._hilite('"+uuid+"',true,"+(evt.keyCode == 38)+")", 3);		Event.stop(evt);		return false;	}	return true;};/* Whn the button is clicked on button. */zkCmbox.onbutton = function (cmp) {	var pp = $e(cmp.id + "!pp");	if (pp) {		if (!$visible(pp)) zkCmbox.open(pp, true);		else zkCmbox.close(pp, true);	}};/** Marks an item as selected or un-selected. */zkCmbox._setsel = function (item, sel) {	zk.addClass(item, "seld", sel);};/** Returns the text contained in the specified item. */zkCmbox.getLabel = function (item) {	return item && item.cells && item.cells.length > 1 ?		zk.getElementValue(item.cells[1]): ""; };zkCmbox.open = function (pp, hilite) {	pp = $e(pp);	var uuid = $uuid(pp.id);	var cb = $e(uuid);	if (!cb) return;	zkau.closeFloats(pp);	zkCmbox._pop.addFloatId(pp.id, $type(cb) != "Cmbox");	zkCmbox._open(cb, uuid, pp, hilite);	if (zkau.asap(cb, "onOpen"))		zkau.send({uuid: uuid, cmd: "onOpen", data: [true]});};zkCmbox._open = function (cb, uuid, pp, hilite) {	var ppofs = zkCmbox._ppofs(pp);	pp.style.width = ppofs[0];	pp.style.height = "auto";	var pp2 = $e(uuid + "!cave");	if (pp2) pp2.style.width = pp2.style.height = "auto";	pp.style.position = "absolute"; //just in case	pp.style.display = "block";	pp.style.zIndex = "88000";	zk.onVisiAt(pp);	//FF: Bug 1486840	//IE: Bug 1766244 (after specifying position:relative to grid/tree/listbox)	//NOTE: since the parent/child relation is changed, new listitem	//must be inserted into the popup (by use of uuid!child) rather	//than invalidate!!	zk.setVParent(pp);	zkCmbox._fixsz(cb, pp, pp2, ppofs);//fix size	zk.position(pp, $real(cb), "after-start");	setTimeout("zkCmbox._repos('"+uuid+"',"+hilite+")", 3);		//IE issue: we have to re-position again because some dimensions		//might not be correct here};/** Returns [width, height] for the popup if specified by user. */zkCmbox._ppofs = function (pp) {	for (var n = pp.firstChild; n; n = n.nextSibling)		if (n.id) {			if (!n.id.endsWith("!cave")) { //bandbox's popup				var w = n.style.width, h = n.style.height; 				return [w ? w: "auto", h ? h: "auto"];			}			break;		}	return ["auto", "auto"];};/** Fixes the dimension of popup. */zkCmbox._fixsz = function (cb, pp, pp2, ppofs) {	if (ppofs[1] == "auto" && pp.offsetHeight > 250) {		pp.style.height = "250px";	} else if (pp.offsetHeight < 10) {		pp.style.height = "10px"; //minimal	}	if (ppofs[0] == "auto") {		if (pp.offsetWidth < cb.offsetWidth) {			pp.style.width = cb.offsetWidth + "px";			if (pp2) pp2.style.width = "100%";				//Note: we have to set width to auto and then 100%				//Otherwise, the width is too wide in IE		} else {			var wd = zk.innerWidth() - 20;			if (wd < cb.offsetWidth) wd = cb.offsetWidth;			if (pp.offsetWidth > wd) pp.style.width = wd;		}	}};/** Re-position the popup. */zkCmbox._repos = function (uuid, hilite) {	var cb = $e(uuid);	if (!cb) return;	var pp = $e(uuid + "!pp");	var pp2 = $e(uuid + "!cave");	var inpId = cb.id + "!real";	var inp = $e(inpId);	//FF issue:	//If both horz and vert scrollbar are visible:	//a row might be hidden by the horz bar.	var rows = pp2 ? pp2.rows: null;	if (rows) {		var gap = pp.offsetHeight - pp.clientHeight;		if (gap > 10 && pp.offsetHeight < 150) { //scrollbar			var hgh = 0;			for (var j = rows.length; --j >= 0;)				hgh += rows[j].offsetHeight;			pp.style.height = (hgh + 20) + "px";				//add the height of scrollbar (18 is an experimental number)		}	}	zk.position(pp, inp, "after-start");	zkau.hideCovered();	zk.asyncFocus(inpId);	if (hilite) zkCmbox._hilite(uuid);};/** Selects back the specified item. */zkCmbox._selback = function (item) {	var txt = zkCmbox.getLabel(item); 	var inp = zkCmbox.getInputByItem(item);	if (inp) {		inp.value = txt;		inp.setAttribute("zk_changing_selbk", txt); //used with onChanging (widget.js)		zk.asyncFocus(inp.id);		zk.asyncSelect(inp.id);	}};/** Selects back the current hilited item, if any. */zkCmbox._autoselback = function (uuid) {	var pp2 = $e(uuid + "!cave");	if (!pp2) return;	var rows = pp2.rows;	if (!rows) return;	for (var j = 0; j < rows.length; ++j) {		var item = rows[j];		if (item.getAttribute("zk_hilite") == "true")			zkCmbox._selback(item);	}};/** Returns the input by specifying an item. */zkCmbox.getInputByItem = function (item) {	//we cannot use $parentByType because parentNode is changed in gecko	var uuid = $uuid(item.parentNode);	if (!uuid) return null;	var inpId = uuid + "!real";	return $e(inpId);}/** Auto-hilite the most matched item. * @param selback whether to select back (either UP or DN is pressed) * @param bUp whether UP is pressed */zkCmbox._hilite = function (uuid, selback, bUp) {	var inp = $e(uuid + "!real");	if (!inp) return;//	var aco = getZKAttr($e(uuid), "aco") == "true";	var pp = $e(uuid + "!pp");	if (!pp || (!selback && /*!aco &&*/ !$visible(pp))) return;	var pp2 = $e(uuid + "!cave");	if (!pp2) return;	var rows = pp2.rows;	if (!rows) return;	//The comparison is case-insensitive	var inpval = inp.value.toLowerCase();	if (!selback && pp.getAttribute("zk_ckval") == inpval)		return; //not changed	//Identify the best matched item	var jfnd = -1, exact = !inpval, old;	for (var j = 0; j < rows.length; ++j) {		var item = rows[j];		if (!exact) {			var txt = zkCmbox.getLabel(item).toLowerCase();			if (txt == inpval) {				exact = true;				jfnd = j;			} else if (jfnd < 0 && txt.startsWith(inpval)) {				jfnd = j;			}		}		if (item.getAttribute("zk_hilite") == "true") {			if (old) { //impossible but recovering from error				zkCmbox._setsel(item, false);				item.removeAttribute("zk_hilite");			} else {				old = item;			}		}	}	var found;	if (selback) {		if (jfnd < 0) {			if (rows.length) found = rows[0];		} else {			if (exact) {				var b = document.selection;				if ((b && "Text" == b.type && document.selection.createRange().text.toLowerCase() == inpval)				|| (!b && inpval.length && inp.selectionStart == 0					&& inp.selectionEnd == inpval.length)) {					if (bUp) {						if (jfnd > 0) --jfnd;					} else {						if (jfnd + 1 < rows.length) ++jfnd;					}				}			}			if (jfnd >= 0) found = rows[jfnd];		}		if (found) zkCmbox._selback(found);	} else if (jfnd >= 0) {		found = rows[jfnd];	}	if (old != found) {		if (old) {			zkCmbox._setsel(old, false);			old.removeAttribute("zk_hilite");		}		if (found) {			zkCmbox._setsel(found, true);			found.setAttribute("zk_hilite", "true");		}	}	zk.scrollIntoView(pp, found); //make sure found is visible	pp.setAttribute("zk_ckval", inpval);};/** Called from the server to close the popup based on combobox, not popup. */zkCmbox.cbclose = function (cb) {	zkCmbox.close(cb.id + "!pp", true);};zkCmbox.close = function (pp, focus) {	pp = $e(pp);	var uuid = $uuid(pp.id);		pp.style.display = "none";	zk.unsetVParent(pp);	zkCmbox._pop.removeFloatId(pp.id);	zk.onHideAt(pp);	zkau.hideCovered();	if (focus)		zk.asyncFocus(uuid + "!real");	var cb = $outer(pp);	if (cb && zkau.asap(cb, "onOpen"))		zkau.send({uuid: cb.id, cmd: "onOpen", data: [false]});};zk.FloatCombo = Class.create();Object.extend(Object.extend(zk.FloatCombo.prototype, zk.Floats.prototype), {	_close: function (el) {		zkCmbox.close(el);	}});if (!zkCmbox._pop)	zkau.floats.push(zkCmbox._pop = new zk.FloatCombo()); //hook to zkau.js//-- bandbox --//zkBdbox = zkCmbox;