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424 lines
10 KiB
424 lines
10 KiB
3 years ago
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<template>
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<view ref="node"
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name="LyTreeNode"
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v-show="node.visible"
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class="ly-tree-node"
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:class="{
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'is-expanded': expanded,
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'is-hidden': !node.visible,
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'is-checked': !node.disabled && node.checked
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}"
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role="treeitem"
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@tap.stop="handleClick" >
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<view class="ly-tree-node__content"
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:class="{
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'is-current': node.isCurrent && highlightCurrent
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}"
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:style="{
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'padding-left': (node.level - 1) * indent + 'px'
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}">
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<text
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@tap.stop="handleExpandIconClick"
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:class="[
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{
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'is-leaf': node.isLeaf,
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expanded: !node.isLeaf && node.expanded
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},
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'ly-tree-node__expand-icon',
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iconClass ? iconClass : 'ly-iconfont ly-icon-caret-right'
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]">
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</text>
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<ly-checkbox v-if="checkboxVisible || radioVisible"
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:type="checkboxVisible ? 'checkbox' : 'radio'"
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:checked="node.checked"
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:indeterminate="node.indeterminate"
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:disabled="!!node.disabled"
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@check="handleCheckChange(!node.checked)"/>
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<text v-if="node.loading"
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class="ly-tree-node__loading-icon ly-iconfont ly-icon-loading">
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</text>
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<template v-if="node.icon && node.icon.length > 0">
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<image
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v-if="node.icon.indexOf('/') !== -1"
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class="ly-tree-node__icon"
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mode="widthFix"
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:src="node.icon"
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@error="handleImageError"
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>
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</image>
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<text v-else
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class="ly-tree-node__icon"
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:class="node.icon">
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</text>
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</template>
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<text class="ly-tree-node__label">{{node.label}}</text>
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</view>
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<view v-if="!renderAfterExpand || childNodeRendered"
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v-show="expanded"
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class="ly-tree-node__children"
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role="group">
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<ly-tree-node v-for="cNodeId in node.childNodesId"
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:nodeId="cNodeId"
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:render-after-expand="renderAfterExpand"
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:show-checkbox="showCheckbox"
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:show-radio="showRadio"
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:check-only-leaf="checkOnlyLeaf"
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:key="getNodeKey(cNodeId)"
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:indent="indent"
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:icon-class="iconClass">
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</ly-tree-node>
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</view>
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</view>
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</template>
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<script>
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import {getNodeKey} from './tool/util.js';
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import lyCheckbox from './components/ly-checkbox.vue';
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export default {
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name: 'LyTreeNode',
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componentName: 'LyTreeNode',
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components: {
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lyCheckbox
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},
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props: {
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nodeId: [Number, String],
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renderAfterExpand: {
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type: Boolean,
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default: true
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},
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checkOnlyLeaf: {
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type: Boolean,
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default: false
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},
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showCheckbox: {
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type: Boolean,
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default: false
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},
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showRadio: {
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type: Boolean,
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default: false
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},
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indent: Number,
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iconClass: String
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},
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data() {
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return {
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node: {
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indeterminate: false,
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checked: false,
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expanded: false
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},
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expanded: false,
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childNodeRendered: false,
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oldChecked: null,
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oldIndeterminate: null,
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highlightCurrent: false
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};
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},
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inject: ['tree'],
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computed: {
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checkboxVisible() {
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if (this.checkOnlyLeaf) {
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return this.showCheckbox && this.node.isLeaf;
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}
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return this.showCheckbox;
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},
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radioVisible() {
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if (this.checkOnlyLeaf) {
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return this.showRadio && this.node.isLeaf;
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}
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return this.showRadio;
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}
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},
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watch: {
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'node.indeterminate'(val) {
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this.handleSelectChange(this.node.checked, val);
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},
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'node.checked'(val) {
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this.handleSelectChange(val, this.node.indeterminate);
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},
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'node.expanded'(val) {
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this.$nextTick(() => this.expanded = val);
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if (val) {
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this.childNodeRendered = true;
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}
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}
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},
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methods: {
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getNodeKey(nodeId) {
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let node = this.tree.store.root.getChildNodes([nodeId])[0];
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return getNodeKey(this.tree.nodeKey, node.data);
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},
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handleSelectChange(checked, indeterminate) {
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if (this.oldChecked !== checked && this.oldIndeterminate !== indeterminate) {
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if (this.checkOnlyLeaf && !this.node.isLeaf) return;
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if (this.checkboxVisible) {
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const allNodes = this.tree.store._getAllNodes();
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this.tree.$emit('check-change', {
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checked,
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indeterminate,
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node: this.node,
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data: this.node.data,
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checkedall: allNodes.every(item => item.checked)
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});
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} else {
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this.tree.$emit('radio-change', {
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checked,
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node: this.node,
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data: this.node.data,
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checkedall: false
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});
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}
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}
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if (!this.expanded && this.tree.expandOnCheckNode && checked) {
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this.handleExpandIconClick();
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}
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this.oldChecked = checked;
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this.indeterminate = indeterminate;
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},
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handleClick() {
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this.tree.store.setCurrentNode(this.node);
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this.tree.$emit('current-change', {
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node: this.node,
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data: this.tree.store.currentNode ? this.tree.store.currentNode.data : null,
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currentNode: this.tree.store.currentNode
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});
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this.tree.currentNode = this.node;
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if (this.tree.expandOnClickNode) {
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this.handleExpandIconClick();
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}
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if (this.tree.checkOnClickNode && !this.node.disabled) {
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(this.checkboxVisible || this.radioVisible) && this.handleCheckChange(!this.node.checked);
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}
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this.tree.$emit('node-click', this.node);
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},
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handleExpandIconClick() {
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if (this.node.isLeaf) return;
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if (this.expanded) {
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this.tree.$emit('node-collapse', this.node);
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this.node.collapse();
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} else {
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this.node.expand();
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this.tree.$emit('node-expand', this.node);
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if (this.tree.accordion) {
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uni.$emit(`${this.tree.elId}-tree-node-expand`, this.node);
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}
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}
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},
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handleCheckChange(checked) {
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if (this.node.disabled) return;
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if (this.checkboxVisible) {
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this.node.setChecked(checked, !(this.tree.checkStrictly || this.checkOnlyLeaf));
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} else {
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this.node.setRadioChecked(checked);
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}
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this.$nextTick(() => {
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this.tree.$emit('check', {
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node: this.node,
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data: this.node.data,
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checkedNodes: this.tree.store.getCheckedNodes(),
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checkedKeys: this.tree.store.getCheckedKeys(),
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halfCheckedNodes: this.tree.store.getHalfCheckedNodes(),
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halfCheckedKeys: this.tree.store.getHalfCheckedKeys()
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});
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});
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},
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handleImageError() {
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this.node.icon = this.tree.defaultNodeIcon;
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}
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},
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created() {
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if (!this.tree) {
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throw new Error('Can not find node\'s tree.');
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}
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this.node = this.tree.store.nodesMap[this.nodeId];
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this.highlightCurrent = this.tree.highlightCurrent;
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if (this.node.expanded) {
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this.expanded = true;
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this.childNodeRendered = true;
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}
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const props = this.tree.props || {};
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const childrenKey = props['children'] || 'children';
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this.$watch(`node.data.${childrenKey}`, () => {
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this.node.updateChildren();
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});
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if (this.tree.accordion) {
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uni.$on(`${this.tree.elId}-tree-node-expand`, node => {
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if (this.node.id !== node.id && this.node.level === node.level) {
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this.node.collapse();
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}
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});
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}
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},
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beforeDestroy() {
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this.$parent = null;
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}
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};
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</script>
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<style>
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.ly-tree-node {
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white-space: nowrap;
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outline: 0
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}
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.ly-tree-node__content {
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display: flex;
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align-items: center;
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height: 70rpx;
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}
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.ly-tree-node__content.is-current {
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background-color: #F5F7FA;
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}
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.ly-tree-node__content>.ly-tree-node__expand-icon {
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padding: 12rpx;
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}
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.ly-tree-node__checkbox {
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display: flex;
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margin-right: 16rpx;
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width: 40rpx;
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height: 40rpx;
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}
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.ly-tree-node__checkbox>image {
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width: 40rpx;
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height: 40rpx;
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}
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.ly-tree-node__expand-icon {
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color: #C0C4CC;
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font-size: 28rpx;
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-webkit-transform: rotate(0);
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transform: rotate(0);
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-webkit-transition: -webkit-transform .3s ease-in-out;
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transition: -webkit-transform .3s ease-in-out;
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transition: transform .3s ease-in-out;
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transition: transform .3s ease-in-out, -webkit-transform .3s ease-in-out
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}
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.ly-tree-node__expand-icon.expanded {
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-webkit-transform: rotate(90deg);
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transform: rotate(90deg)
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}
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.ly-tree-node__expand-icon.is-leaf {
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color: transparent;
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}
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.ly-tree-node__icon {
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width: 34rpx;
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height: 34rpx;
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overflow: hidden;
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margin-right: 16rpx;
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}
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.ly-tree-node__label {
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font-size: 28rpx
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}
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.ly-tree-node__loading-icon {
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margin-right: 16rpx;
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font-size: 28rpx;
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color: #C0C4CC;
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-webkit-animation: rotating 2s linear infinite;
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animation: rotating 2s linear infinite
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}
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.ly-tree-node>.ly-tree-node__children {
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overflow: hidden;
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background-color: transparent
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}
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.ly-tree-node>.ly-tree-node__children.collapse-transition {
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transition: height .3s ease-in-out;
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}
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.ly-tree-node.is-expanded>.ly-tree-node__children {
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display: block
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}
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.ly-tree-node_collapse {
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overflow: hidden;
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padding-top: 0;
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padding-bottom: 0;
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}
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/* lyTree-end */
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/* iconfont-start */
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@font-face {
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font-family: "ly-iconfont";
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src: url('data:application/x-font-woff2;charset=utf-8;base64,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') format('woff2');
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}
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.ly-iconfont {
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font-family: "ly-iconfont" !important;
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font-size: 30rpx;
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font-style: normal;
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-webkit-font-smoothing: antialiased;
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-moz-osx-font-smoothing: grayscale;
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}
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.ly-icon-caret-right:before {
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content: "\e8ee";
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}
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.ly-icon-loading:before {
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content: "\e657";
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}
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/* iconfont-end */
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|
||
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/* animate-start */
|
||
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@keyframes rotating {
|
||
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0% {
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||
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-webkit-transform: rotateZ(0);
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transform: rotateZ(0)
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}
|
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100% {
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-webkit-transform: rotateZ(360deg);
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transform: rotateZ(360deg)
|
||
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}
|
||
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}
|
||
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/* animate-end */
|
||
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</style>
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