<!-- 修改友情链接 -->
<template id="editLinks-template">
	<div>
		<div class="main" >
			<div class="navbar">
				<el-button type="primary" plain size="small" @click="$router.push({path: '/admin/control/links/list'})">返回</el-button>
			</div>
			<div class="data-form label-width-blank" >
				<el-form label-width="auto"  @submit.native.prevent>
					<el-form-item label="名称" :required="true" :error="error.name">
						<el-row><el-col :span="12"><el-input v-model.trim="name" maxlength="50" clearable="true" show-word-limit></el-input></el-col></el-row>
					</el-form-item>
					<el-form-item label="网址" :required="true" :error="error.website">
						<el-row><el-col :span="12"><el-input v-model.trim="website" maxlength="50" clearable="true" show-word-limit></el-input></el-col></el-row>
					</el-form-item>
					<el-form-item label="排序" :required="true" :error="error.sort">
						<el-row><el-col :span="5"><el-input v-model.trim="sort" maxlength="5" clearable="true" show-word-limit></el-input></el-col></el-row>
					</el-form-item>
					<el-form-item label="缩略图" :error="error.images">
						<el-upload action="#" ref="uploadImg" list-type="picture-card" :file-list="fileList" :auto-upload="false" :on-change="handleChange" :accept="'image/*'">
						    <template #default>
						    	<i class="el-icon-plus"></i>
						    </template>
						    <template #file="{file}">
						    	<div>
						        <img class="el-upload-list__item-thumbnail" :src="file.url" alt="" />
						        <span class="el-upload-list__item-actions">
						        	<span class="el-upload-list__item-preview" @click="openImagePreview(file)">
						            	<i class="el-icon-zoom-in"></i>
						        	</span>
						        	<span v-if="!disabled" class="el-upload-list__item-delete" @click="handleImageRemove(file)">
						            	<i class="el-icon-delete"></i>
						        	</span>
						        </span>
						    	</div>
						    </template>
						</el-upload>
						<!-- 插入透明1像素图片占位 -->
						<el-image ref="imageViewer" style="width: 0px;height: 0px;" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" :preview-src-list="[localImageUrl]" hide-on-click-modal />
					</el-form-item>
					<el-form-item>
					    <el-button type="primary" class="submitButton" @click="submitForm" :disabled="submitForm_disabled">提交</el-button>
					</el-form-item>
				</el-form>
				
				
			</div>
		</div>
	</div>
</template>

<script>
//修改友情链接
export default({
	name: 'editLinks',//组件名称，keep-alive缓存需要本参数
	template : '#editLinks-template',
	inject:['reload'], 
	data : function data() {
		return {
			linksId :'',
			
			name :'',
			website : '',
			sort :0,
			
			imagePath : '',
			fileList:[],//上传的文件列表
			localImageUrl: '',//本地图片地址 例如blob:http://127.0.0.1:8080/cfab3833-cbb0-4072-a576-feaf8fb19e5f
	        isImageViewer: false,//是否显示图片查看器
			error : {
				name :'',
				website : '',
				sort : '',
				images: '',
			},
			submitForm_disabled:false,//提交按钮是否禁用
		};
	},
	created : function created() {
		//当前路由组件名this.$router.currentRoute.value.name
		//设置缓存
		this.$store.commit('setCacheComponents',  [this.$route.name]);
		
		if(this.$route.query.linksId != undefined && this.$route.query.linksId != ''){
			this.linksId = this.$route.query.linksId;
		}
		
		this.queryLinks();
	},
	methods : {
		//处理上传图片
		handleChange(file, fileList) {
			if (fileList.length > 1) {
	      		fileList.splice(0, 1);
			}
			this.imagePath = "";
    	},
		//处理删除图片
		handleImageRemove(file) {
			let fileList = this.$refs.uploadImg.uploadFiles;
			let index = fileList.findIndex( fileItem => {
				return fileItem.uid === file.uid
			});
			fileList.splice(index, 1);
			this.imagePath = "";
	    },
	    //打开图片预览
		openImagePreview(file) {
			
	        this.localImageUrl = file.url;
	        this.$refs.imageViewer.showViewer = true;
		},
	
	
	
		//查询友情链接
		queryLinks : function() {
			let _self = this;
			
			_self.$ajax.get('control/links/manage', {
			    params: {
			    	method : 'edit',
			    	linksId: _self.linksId,
			    }
			})
			.then(function (response) {
				if(response == null){
					return;
				}
			    let result = response.data;
			    if(result){
			    	let returnValue = JSON.parse(result);
			    	
			    	if(returnValue.code === 200){//成功
			    		let mapData = returnValue.data;
			    		let imagePath = "";
		    			let links = null;
			    		for(let key in mapData){
			    			if(key == "imagePath"){
			    				imagePath = mapData[key];
			    				
			    			}else if(key == "links"){
			    				links = mapData[key];
			    				
			    			}
			    		}
			    		
			    		if(links != null){
			    			_self.name =links.name;
							_self.website = links.website;
							_self.sort = links.sort;
							
			    			if(links.image != null && links.image != ''){
			    				_self.imagePath = links.image;
			    				_self.fileList.push({
				    				name: links.image,
				    				url: imagePath
				    			});
			    			}
			    		}
			    	}else if(returnValue.code === 500){//错误
			    		let errorMap = returnValue.data;
			    		for (let key in errorMap) {   
			    			if(_self.error[key] == undefined){
			    				_self.$message({
									duration :0,
						            showClose: true,
						            message: errorMap[key],
						            type: 'error'
						        });
			    			}else{
			    				_self.error[key] = errorMap[key];
			    			}
			    	    }
			    	}
			    	
			    }
			    
			    
			})
			.catch(function (error) {
				console.log(error);
			});
		},
	
	
		//提交表单
		submitForm : function() {
			let _self = this;
			_self.submitForm_disabled = true;
			
	        //清除错误
			for (let key in _self.error) { 
    			_self.error[key] = "";
    	    }
			let formData = new FormData();
			formData.append('linksId', _self.linksId);
			
			
			if(_self.name != null){
				formData.append('name', _self.name);
				
			}
			if(_self.website != null){
				formData.append('website', _self.website);
				
			}
			if(_self.sort != null){
				formData.append('sort', _self.sort);
				
			}
			if(_self.imagePath != null){
				formData.append('imagePath', _self.imagePath);
			}
			
			let fileList = _self.$refs.uploadImg.uploadFiles;
			if(fileList != null && fileList.length >0){
				for(let i=0; i<fileList.length; i++){
					let file = fileList[i];
					if(file.raw != undefined){
						formData.append('images', file.raw);
					}
					
				}
			}
			
			_self.$ajax({
		        method: 'post',
		        url: 'control/links/manage?method=edit',
		        data: formData
			})
			.then(function (response) {
				if(response == null){
					return;
				}
				
			    let result = response.data;
			    if(result){
			    	let returnValue = JSON.parse(result);
			    	if(returnValue.code === 200){//成功
			    		_self.$message.success("提交成功");
			    		
			    		//删除缓存
			    		_self.$store.commit('setCacheNumber');
			    		_self.$router.push({
							path : '/admin/control/links/list',
						});
			    	}else if(returnValue.code === 500){//错误
			    		
			    		let errorMap = returnValue.data;
			    		for (let key in errorMap) {   
			    			if(_self.error[key] == undefined){
			    				_self.$message({
									duration :0,
						            showClose: true,
						            message: errorMap[key],
						            type: 'error'
						        });
			    			}else{
			    				_self.error[key] = errorMap[key];
			    			}
			    	    }
			    		
			    	}
			    }
			    _self.submitForm_disabled = false;
			})
			.catch(function (error) {
				console.log(error);
			});
	    }
	}
});

</script>