Javascript SAPUI5如何通过扩展现有控件来创建自定义控件
我必须自定义现有控件(FacetFilter)的功能。我无法自定义FacetFilter渲染器的功能。你能在这方面帮助我吗Javascript SAPUI5如何通过扩展现有控件来创建自定义控件,javascript,jquery,jquery-ui,sapui5,Javascript,Jquery,Jquery Ui,Sapui5,我必须自定义现有控件(FacetFilter)的功能。我无法自定义FacetFilter渲染器的功能。你能在这方面帮助我吗 sap.ui.define(['./HerePathToFacetFilterRenderer', 'sap/ui/core/Renderer'], function(FacetFilterRenderer, Renderer) { "use strict"; var CustomFacetFilterRenderer = Renderer.extend(Face
sap.ui.define(['./HerePathToFacetFilterRenderer', 'sap/ui/core/Renderer'],
function(FacetFilterRenderer, Renderer) {
"use strict";
var CustomFacetFilterRenderer = Renderer.extend(FacetFilterRenderer);
//... here your custom implementation, overwrite of base methods or hooks
return CustomFacetFilterRenderer;
}, /* bExport= */ true);
我在xml中的代码是
<FacetFilter
id="idFacetFilter"
type="Simple"
showPersonalization="true"
showReset="true"
reset="handleFacetFilterReset"
lists="{/ProductCollectionStats/Filters}">
<lists>
<FacetFilterList
title="{type}"
key="{key}"
active="false"
multiselect="true"
listClose="handleListClose"
items="{values}" >
<items>
<FacetFilterItem
text="{text}"
key="{key}"
count="{data}" />
</items>
</FacetFilterList>
</lists>
</FacetFilter>
我只是扩展了,因为我需要该控件的所有特性。我不想修改任何东西。我有如下的渲染器文件
/*
* @copyright
*/
sap.ui.define(['jquery.sap.global'],
function(jQuery) {
"use strict";
/**
* FacetFilter renderer.
* @namespace
*/
var CustomFacetFilterRenderer = {
};
/**
* Renders the HTML for the given control, using the provided {@link sap.ui.core.RenderManager}.
*
* @param {sap.ui.core.RenderManager} oRm the RenderManager that can be used for writing to the render output buffer
* @param {sap.ui.core.Control} oControl an object representation of the control that should be rendered
*/
CustomFacetFilterRenderer.render = function(oRm, oControl){
switch (oControl.getType()) {
case sap.m.FacetFilterType.Simple:
CustomFacetFilterRenderer.renderSimpleFlow(oRm, oControl);
break;
case sap.m.FacetFilterType.Light:
CustomFacetFilterRenderer.renderSummaryBar(oRm, oControl);
break;
}
};
/**
*
*
* @param {sap.ui.core.RenderManager} oRm the RenderManager that can be used for writing to the render output buffer
* @param {sap.ui.core.Control} oControl an object representation of the control that should be rendered
*/
CustomFacetFilterRenderer.renderSimpleFlow = function(oRm, oControl) {
oRm.write("<div");
oRm.writeControlData(oControl);
oRm.addClass("sapMFF");
if (oControl.getShowSummaryBar()) {
oRm.write(">");
CustomFacetFilterRenderer.renderSummaryBar(oRm, oControl);
} else {
if (oControl._lastScrolling) {
oRm.addClass("sapMFFScrolling");
} else {
oRm.addClass("sapMFFNoScrolling");
}
if (oControl.getShowReset()) {
oRm.addClass("sapMFFResetSpacer");
}
oRm.writeClasses();
oRm.write(">");
if (sap.ui.Device.system.desktop) {
oRm.renderControl(oControl._getScrollingArrow("left"));
}
/* // dummy after focusable area.
oRm.write("<div tabindex='-1'");
oRm.writeAttribute("id", oControl.getId() + "-before");
oRm.write("></div>");*/
// Render the div for the carousel
oRm.write("<div");
oRm.writeAttribute("id", oControl.getId() + "-head");
oRm.addClass("sapMFFHead");
oRm.writeClasses();
oRm.write(">");
var aLists = oControl._getSequencedLists();
for (var i = 0; i < aLists.length; i++) {
oRm.renderControl(oControl._getButtonForList(aLists[i]));
if (oControl.getShowPersonalization()) {
oRm.renderControl(oControl._getFacetRemoveIcon(aLists[i]));
}
}
if (oControl.getShowPersonalization()) {
oRm.renderControl(oControl.getAggregation("addFacetButton"));
}
oRm.write("</div>"); // Close carousel div
if (sap.ui.Device.system.desktop) {
oRm.renderControl(oControl._getScrollingArrow("right"));
}
if (oControl.getShowReset()) {
oRm.write("<div");
oRm.addClass("sapMFFResetDiv");
oRm.writeClasses();
oRm.write(">");
oRm.renderControl(oControl.getAggregation("resetButton"));
oRm.write("</div>");
}
}
oRm.write("</div>");
};
/**
*
*
* @param {sap.ui.core.RenderManager} oRm the RenderManager that can be used for writing to the render output buffer
* @param {sap.ui.core.Control} oControl an object representation of the control that should be rendered
*/
CustomFacetFilterRenderer.renderSummaryBar = function(oRm, oControl) {
// We cannot just render the toolbar without the parent div. Otherwise it is
// not possible to switch type from light to simple.
oRm.write("<div");
oRm.writeControlData(oControl);
oRm.addClass("sapMFF");
oRm.writeClasses();
oRm.write(">");
var oSummaryBar = oControl.getAggregation("summaryBar");
oRm.renderControl(oSummaryBar);
oRm.write("</div>");
};
return CustomFacetFilterRenderer;
}, /* bExport= */ true);
/*
*@版权所有
*/
define(['jquery.sap.global'],
函数(jQuery){
“严格使用”;
/**
*FaceFilter渲染器。
*@名称空间
*/
var customFaceFilterRenderer={
};
/**
*使用提供的{@link sap.ui.core.RenderManager}呈现给定控件的HTML。
*
*@param{sap.ui.core.RenderManager}格式化可用于写入渲染输出缓冲区的RenderManager
*@param{sap.ui.core.Control}oControl应该呈现的控件的对象表示形式
*/
CustomFaceFilterRenderer.render=函数(oRm,oControl){
开关(oControl.getType()){
案例sap.m.FaceFilterType.Simple:
renderSimpleFlow(oRm,oControl);
打破
案例sap.m.FaceFilterType.Light:
CustomFaceFilterRenderer.renderSummaryBar(oRm,oControl);
打破
}
};
/**
*
*
*@param{sap.ui.core.RenderManager}格式化可用于写入渲染输出缓冲区的RenderManager
*@param{sap.ui.core.Control}oControl应该呈现的控件的对象表示形式
*/
CustomFaceFilterRenderer.renderSimpleFlow=函数(oRm,oControl){
oRm.写(“”);
CustomFaceFilterRenderer.renderSummaryBar(oRm,oControl);
}否则{
如果(oControl.\u上次滚动){
表格addClass(“SAPMFFSCROLING”);
}否则{
表格addClass(“SAPMFNOSCROLLING”);
}
if(oControl.getShowReset()){
Form.addClass(“SAPMFresetSpacer”);
}
oRm.writeClasses();
oRm.写(“>”);
if(sap.ui.Device.system.desktop){
oRm.renderControl(oControl._getScrollingArrow(“左”);
}
/*//可聚焦区域后的虚拟。
oRm.写(“”)*/
//为旋转木马渲染div
oRm.写(“”);
var aLists=oControl._getSequencedList();
对于(var i=0;i
我只是简单地复制粘贴代码,我修改了渲染器中的代码
当我运行这段代码时,找不到它的showing lists.js,但这里的lists是FacetFilter中的聚合。如果我们在xml中观察到,FacetFilter是最顶层的父项,它有一个子项(FacetFilterList),而子项又有另一个子项(FacetFilterItem)。我已经在这里扩展了控件FacetFilter,这意味着我将FacetFilter的所有属性都添加到了我的CustromFilter?中,但仍然没有找到它的showing lists.js。我不知道如何在这个场景中创建自定义控件,你能在这方面帮助我吗
sap.ui.define(['./HerePathToFacetFilterRenderer', 'sap/ui/core/Renderer'],
function(FacetFilterRenderer, Renderer) {
"use strict";
var CustomFacetFilterRenderer = Renderer.extend(FacetFilterRenderer);
//... here your custom implementation, overwrite of base methods or hooks
return CustomFacetFilterRenderer;
}, /* bExport= */ true);
请参见从InputBase继承的TextAreaRenderer
实际上,docu应该在扩展现有控件的另一种方式上提供更多帮助
您好,谢谢您的回复,我尝试了您提到的方式,但我发现以下错误。未捕获错误:未能从resources/sap/m/lists.js:404加载“sap/m/lists.js”-找不到资源!。它在本地资源中寻找聚合,但它应该在sap库中寻找聚合,我不明白为什么会发生这种情况。你能告诉我如何将它重定向到sapui5库吗