Stackedit/src/components/ExplorerNode.vue
2018-05-13 13:27:33 +00:00

255 lines
7.8 KiB
Vue

<template>
<div class="explorer-node" :class="{'explorer-node--selected': isSelected, 'explorer-node--open': isOpen, 'explorer-node--drag-target': isDragTargetFolder}" @dragover.prevent @dragenter.stop="node.noDrop || setDragTarget(node.item.id)" @dragleave.stop="isDragTarget && setDragTargetId()" @drop.prevent.stop="onDrop" @contextmenu="onContextMenu">
<div class="explorer-node__item-editor" v-if="isEditing" :class="['explorer-node__item-editor--' + node.item.type]" :style="{paddingLeft: leftPadding}" draggable="true" @dragstart.stop.prevent>
<input type="text" class="text-input" v-focus @blur="submitEdit()" @keydown.stop @keydown.enter="submitEdit()" @keydown.esc="submitEdit(true)" v-model="editingNodeName">
</div>
<div class="explorer-node__item" v-else :class="['explorer-node__item--' + node.item.type]" :style="{paddingLeft: leftPadding}" @click="select()" draggable="true" @dragstart.stop="setDragSourceId" @dragend.stop="setDragTargetId()">
{{node.item.name}}
<icon-provider class="explorer-node__location" v-for="location in node.locations" :key="location.id" :provider-id="location.providerId"></icon-provider>
</div>
<div class="explorer-node__children" v-if="node.isFolder && isOpen">
<explorer-node v-for="node in node.folders" :key="node.item.id" :node="node" :depth="depth + 1"></explorer-node>
<div v-if="newChild" class="explorer-node__new-child" :class="['explorer-node__new-child--' + newChild.item.type]" :style="{paddingLeft: childLeftPadding}">
<input type="text" class="text-input" v-focus @blur="submitNewChild()" @keydown.stop @keydown.enter="submitNewChild()" @keydown.esc="submitNewChild(true)" v-model.trim="newChildName">
</div>
<explorer-node v-for="node in node.files" :key="node.item.id" :node="node" :depth="depth + 1"></explorer-node>
</div>
</div>
</template>
<script>
import { mapMutations, mapActions } from 'vuex';
import fileSvc from '../services/fileSvc';
import explorerSvc from '../services/explorerSvc';
export default {
name: 'explorer-node', // Required for recursivity
props: ['node', 'depth'],
data: () => ({
editingValue: '',
}),
computed: {
leftPadding() {
return `${this.depth * 15}px`;
},
childLeftPadding() {
return `${(this.depth + 1) * 15}px`;
},
isSelected() {
return this.$store.getters['explorer/selectedNode'] === this.node;
},
isEditing() {
return this.$store.getters['explorer/editingNode'] === this.node;
},
isDragTarget() {
return this.$store.getters['explorer/dragTargetNode'] === this.node;
},
isDragTargetFolder() {
return this.$store.getters['explorer/dragTargetNodeFolder'] === this.node;
},
isOpen() {
return this.$store.state.explorer.openNodes[this.node.item.id] || this.node.isRoot;
},
newChild() {
return this.$store.getters['explorer/newChildNodeParent'] === this.node
&& this.$store.state.explorer.newChildNode;
},
newChildName: {
get() {
return this.$store.state.explorer.newChildNode.item.name;
},
set(value) {
this.$store.commit('explorer/setNewItemName', value);
},
},
editingNodeName: {
get() {
return this.$store.getters['explorer/editingNode'].item.name;
},
set(value) {
this.editingValue = value.trim();
},
},
},
methods: {
...mapMutations('explorer', [
'setDragTargetId',
'setEditingId',
]),
...mapActions('explorer', [
'setDragTarget',
]),
select(id = this.node.item.id, doOpen = true) {
const node = this.$store.getters['explorer/nodeMap'][id];
if (!node) {
return false;
}
this.$store.commit('explorer/setSelectedId', id);
if (doOpen) {
// Prevent from freezing the UI while loading the file
setTimeout(() => {
if (node.isFolder) {
this.$store.commit('explorer/toggleOpenNode', id);
} else {
this.$store.commit('file/setCurrentId', id);
}
}, 10);
}
return true;
},
async submitNewChild(cancel) {
const { newChildNode } = this.$store.state.explorer;
if (!cancel && !newChildNode.isNil && newChildNode.item.name) {
try {
if (newChildNode.isFolder) {
const item = await fileSvc.storeItem(newChildNode.item);
this.select(item.id);
} else {
const item = await fileSvc.createFile(newChildNode.item);
this.select(item.id);
}
} catch (e) {
// Cancel
}
}
this.$store.commit('explorer/setNewItem', null);
},
async submitEdit(cancel) {
const { item } = this.$store.getters['explorer/editingNode'];
const value = this.editingValue;
this.setEditingId(null);
if (!cancel && item.id && value) {
try {
await fileSvc.storeItem({
...item,
name: value,
});
} catch (e) {
// Cancel
}
}
},
setDragSourceId(evt) {
if (this.node.noDrag) {
evt.preventDefault();
return;
}
this.$store.commit('explorer/setDragSourceId', this.node.item.id);
// Fix for Firefox
// See https://stackoverflow.com/a/3977637/1333165
evt.dataTransfer.setData('Text', '');
},
onDrop() {
const sourceNode = this.$store.getters['explorer/dragSourceNode'];
const targetNode = this.$store.getters['explorer/dragTargetNodeFolder'];
this.setDragTargetId();
if (!sourceNode.isNil
&& !targetNode.isNil
&& sourceNode.item.id !== targetNode.item.id
) {
fileSvc.storeItem({
...sourceNode.item,
parentId: targetNode.item.id,
});
}
},
async onContextMenu(evt) {
if (this.select(undefined, false)) {
evt.preventDefault();
evt.stopPropagation();
const item = await this.$store.dispatch('contextMenu/open', {
coordinates: {
left: evt.clientX,
top: evt.clientY,
},
items: [{
name: 'New file',
disabled: !this.node.isFolder || this.node.isTrash,
perform: () => explorerSvc.newItem(false),
}, {
name: 'New folder',
disabled: !this.node.isFolder || this.node.isTrash || this.node.isTemp,
perform: () => explorerSvc.newItem(true),
}, {
type: 'separator',
}, {
name: 'Rename',
disabled: this.node.isTrash || this.node.isTemp,
perform: () => this.setEditingId(this.node.item.id),
}, {
name: 'Delete',
perform: () => explorerSvc.deleteItem(),
}],
});
item.perform();
}
},
},
};
</script>
<style lang="scss">
$item-font-size: 14px;
.explorer-node--drag-target {
background-color: rgba(0, 128, 255, 0.2);
}
.explorer-node__item {
position: relative;
cursor: pointer;
font-size: $item-font-size;
overflow: hidden;
white-space: nowrap;
text-overflow: ellipsis;
padding-right: 5px;
.explorer-node--selected > & {
background-color: rgba(0, 0, 0, 0.2);
.explorer__tree:focus & {
background-color: #39f;
color: #fff;
}
}
.explorer__tree--new-item & {
opacity: 0.33;
}
.explorer-node__location {
float: right;
width: 18px;
height: 18px;
margin: 2px 1px;
}
}
.explorer-node__item--folder,
.explorer-node__item-editor--folder,
.explorer-node__new-child--folder {
&::before {
content: '▹';
position: absolute;
margin-left: -13px;
.explorer-node--open > & {
content: '▾';
}
}
}
$new-child-height: 25px;
.explorer-node__item-editor,
.explorer-node__new-child {
padding: 1px 10px;
.text-input {
font-size: $item-font-size;
padding: 2px;
height: $new-child-height;
}
}
</style>