TopSearch_wev8.js
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define(['mUtil', "Component", "mService", "i18n"],function(mUtil, Component, mService, i18n) {
var TopSearch = function(options) {
var _tp = {}, paramStore = {}, $container, $pageHeader, $pageContent, $pageScroll, $comp, $compToFixed, $searchPage, $searchMask, pageid;
Component.super(this, options);
this.type = "TopSearch";
this.css = this.type + "_css";
this.tpl = this.type + "_html";
var vm = this.viewModel = {
actionType: 0,
actionTarget: {},
onSearch: function(){},
conditions: [],
standalone: true
};
this.beforeMount = function(){
var navs = [];
var size = vm.conditions.length;
var bound = size > 4 ? 3 : size;
for(var i = 0; i < bound; i++){
var condition = vm.conditions[i];
navs.push({
id: mUtil.UUID(),
text: condition.showname,
items: [condition]
});
}
if(size > 4){
navs.push({
id: mUtil.UUID(),
text: i18n.FILTER,//筛选
cls: "more",
items: vm.conditions.slice(3)
});
}
vm.navs = navs;
};
this.mounted = function(){
var promise = _tp.initConditions();
var that = this;
pageid = this.pageid;
$container = that.$container;
$pageHeader = $container.children(".page-header");
$pageContent = $container.children(".page-content");
$pageScroll = $pageContent.children(".page-scroller");
$comp = this.$el.children(".wev-comp-" + vm.compType),
$compToFixed = $comp.find(".wev-topsearch-nav");
var compToFixedSelector = "[data-container='NMEC_"+that.id+"']",
$tab = $comp.closest(".wev-tab-panel"),
isInTab = $tab.length == 1,
scrollEv = "scroll.topsearch_" + that.id,
fixCls = "fixer", openCls = "open", activeCls = "active";
$searchPage = $(".wev-topsearch-page", $container);
$searchMask = $(".wev-topsearch-mask", $container);
if($searchPage.length == 0) {
$searchPage = $('<div class="wev-topsearch-page out"></div>');
$searchMask = $('<div class="wev-topsearch-mask out"></div>');
$container.append($searchMask).append($searchPage);
}
if (!$pageHeader.length) {
$pageHeader = $("<div class='page-header'></div>");
$pageContent.before($pageHeader);
}
$pageHeader.children(compToFixedSelector).remove();
_tp.resetPageTop();
$pageContent.off(scrollEv).on(scrollEv, function(e){
if(isInTab && $tab.css("display") === "none"
|| $pageHeader.css("visibility") === "hidden"
|| !_tp.canScrollToFixed()){
return;
}
var offsetTop = $comp.offset().top;
var cssTop = parseInt($pageContent.css("top")) + $container.offset().top;
if(offsetTop <= cssTop && !$pageHeader.children(compToFixedSelector).length){
$comp.css("height", 'auto');
$pageHeader.find(".wev-topsearch-nav").hide();
$pageHeader.append($compToFixed.show());
}else if(offsetTop > cssTop && !$comp.children(compToFixedSelector).length){
$comp.css("height", 'auto');
$comp.append($compToFixed.show());
}
_tp.resetPageTop();
$compToFixed[offsetTop <= cssTop ? "addClass" : "removeClass"](fixCls);
});
var closeCallback = function(onSearch, navId, params){
_tp.fixCompAndScrollTarget(false, true);
$searchMask.removeClass("in").addClass("out");
$searchPage.removeClass("in").addClass("out");
var $openItem = $compToFixed.find(".wev-filter-item."+openCls),
$allItem = $compToFixed.find(".wev-filter-item");
$allItem.removeClass(openCls);
if(onSearch){
$openItem[params.length ? "addClass" : "removeClass"](activeCls);
var selectName = "", nav = vm.navs.filter(function (ele) { return ele.id === navId})[0] || {}, conditions = nav.items || [];
if(conditions.length == 1){//选择框或下拉框显示所选项名称
var condition = conditions[0], selectItems = condition.data || [], param = params[0] || {};
if(selectItems.length && condition.htmltype == 5
&& (condition.type == 1 || condition.type == 3)){
if(param.fieldvalue){
var selectedItem = selectItems.filter(function (item) { return param.fieldvalue == item.selectvalue; })[0] || {};
selectName = selectedItem.selectname || "";
}
$openItem.find("span").html(selectName || nav.text || "");
}
}
}
};
var actionTarget = vm.actionTarget,
compoid = actionTarget.compoid,
sourceType = actionTarget.sourceType,
useAdvanceSearch = sourceType == 1 || sourceType == 3;
var openServicePage = function(preload, target, conditions, navId){
promise.then(function(){
createPage({
preload: preload,
classAnimation: "show_hide_topsearch",
target: target,
conditions: conditions,
container: $container,
closeCallback : closeCallback,
onSearch: function(params){
paramStore[navId] = params;
closeCallback(true, navId, params);
params = Object.keys(paramStore).reduce(function (prev, next) {
return prev.concat(paramStore[next]);
}, []);
if(vm.actionType == 0){
var paramObj = {};
params.forEach(function (param) {
paramObj[param.fieldname] = param.fieldvalue;
});
mUtil.eval(vm.onSearch, that.pageid, paramObj);
}else{
var onTargetLoaded = function(){
_tp.fixCompAndScrollTarget(false, true);
};
if(useAdvanceSearch){
Mobile_NS.refreshList(compoid, "_asArray=" + encodeURIComponent(JSON.stringify(params)), onTargetLoaded);
}else{
var queryStr = params.reduce(function(prev, next){
if(prev) prev += ';';
return prev + next.fieldname + '=' + next.fieldvalue;
}, '');
Mobile_NS.refreshList(compoid, queryStr, onTargetLoaded);
}
}
}
});
});
};
$compToFixed.on("click", ".wev-filter-item", function (e) {
var $this = $(this), rowid = $this.data("rowid"), navData = [];
if($this.hasClass(openCls)){
closeCallback();
}else{
if(!$compToFixed.hasClass(fixCls) || !$pageHeader.find(compToFixedSelector).length){//固定到顶部
$compToFixed.addClass(fixCls);
_tp.fixCompAndScrollTarget(true, false);
}
$this.siblings(".wev-filter-item").removeClass(openCls);
$this.addClass(openCls);
vm.navs.every(function(nav) {
if(nav.id === rowid){
navData = nav.items;
return false;
}
return true;
});
openServicePage(false, $compToFixed, navData, rowid);
}
});
$pageHeader.on("click","abbr",function () {
var openNav = $compToFixed.find(".wev-filter-item."+openCls);
if (openNav.length > 0){
closeCallback();
}
});
};
_tp.resetPageTop = function(){
$pageContent.css("top", $pageHeader.height() + "px");
};
_tp.canScrollToFixed = function(){
var pageScrollHeight = $pageContent[0].scrollHeight + $pageScroll.offset().top - $comp.height(),
canScrollToFixHeight = $pageContent.height() + $comp.offset().top + $comp.height() + 1;
return pageScrollHeight > canScrollToFixHeight;
};
_tp.fixCompAndScrollTarget = function(manualFixed, onSearch){
var $targetComp = $("#NMEC_" + vm.actionTarget.compoid);
if(_tp.canScrollToFixed()){
setTimeout(function(){
var scrollTargetTop = $targetComp.offset().top + $pageContent.scrollTop() - $compToFixed.height();
if(manualFixed){
scrollTargetTop -= $pageHeader.height();
}else{
scrollTargetTop -= $compToFixed.offset().top;
}
$pageContent.scrollTop(scrollTargetTop);
scrollTargetTop == 0 && $pageContent.trigger("scroll");
}, 10);
}else{
$pageHeader.find(".wev-topsearch-nav")[!onSearch ? "hide" : "show"]();
if(!onSearch){
$pageHeader.append($compToFixed.show());
}else if(onSearch){
$comp.append($compToFixed.show());
}
_tp.resetPageTop();
}
};
_tp.initConditions = function(){
var that = this, sourceType = vm.actionTarget.sourceType, deferred = $.Deferred();
var needParseField = sourceType == 1;
!needParseField && vm.conditions.every(function(condition) {
if(condition.fieldTypeFace == 'select' && condition.sourceType == 2){
needParseField = true;
return false;
}
return true;
});
delete vm.conditions;
if(!needParseField){
deferred.resolve();
return deferred;
}
var actionUrl = mUtil.getActionUrl(that.type, {
action: "getFieldData",
mec_id: that.id
}, that.pageid);
mUtil.getJSON(actionUrl, function (result) {
var resultData = result.data;
vm.navs.forEach(function(nav, index) {
nav.items.forEach(function(item, i) {
if(sourceType == 1 && resultData[item.id]){
$.extend(nav.items[i], resultData[item.id]);
}else if(item.htmltype == 5 && item.sourceType == 2){
item.data = resultData[item.id] || [];
}
});
});
deferred.resolve();
}, function(errMsg){
deferred.resolve();
});
return deferred;
};
function createPage(cfg) {
$pageHeader.css("z-index", "9");
$searchMask.removeClass("out").addClass("in");
$searchPage.removeClass("out").addClass("animation in").empty();
mService.load('topsearch', function (html, service) {
$searchPage.html(mUtil.replaceI18n(html));
$searchPage.on("webkitAnimationEnd animationend", function () {
$pageHeader.css("z-index", "");
$searchPage.removeClass("animation");
});
service.mounted($searchPage, $searchMask, cfg);
});
}
_tp.initConditions = _tp.initConditions.bind(this);
};
return Component.init(TopSearch);
});