debian-mirror-gitlab/app/assets/javascripts/ide/components/file_finder/index.vue
2018-11-08 19:23:39 +05:30

243 lines
6.5 KiB
Vue

<script>
import { mapActions, mapGetters, mapState } from 'vuex';
import fuzzaldrinPlus from 'fuzzaldrin-plus';
import VirtualList from 'vue-virtual-scroll-list';
import Item from './item.vue';
import router from '../../ide_router';
import {
MAX_FILE_FINDER_RESULTS,
FILE_FINDER_ROW_HEIGHT,
FILE_FINDER_EMPTY_ROW_HEIGHT,
} from '../../constants';
import {
UP_KEY_CODE,
DOWN_KEY_CODE,
ENTER_KEY_CODE,
ESC_KEY_CODE,
} from '../../../lib/utils/keycodes';
export default {
components: {
Item,
VirtualList,
},
data() {
return {
focusedIndex: 0,
searchText: '',
mouseOver: false,
cancelMouseOver: false,
};
},
computed: {
...mapGetters(['allBlobs']),
...mapState(['fileFindVisible', 'loading']),
filteredBlobs() {
const searchText = this.searchText.trim();
if (searchText === '') {
return this.allBlobs.slice(0, MAX_FILE_FINDER_RESULTS);
}
return fuzzaldrinPlus.filter(this.allBlobs, searchText, {
key: 'path',
maxResults: MAX_FILE_FINDER_RESULTS,
});
},
filteredBlobsLength() {
return this.filteredBlobs.length;
},
listShowCount() {
return this.filteredBlobsLength ? Math.min(this.filteredBlobsLength, 5) : 1;
},
listHeight() {
return this.filteredBlobsLength ? FILE_FINDER_ROW_HEIGHT : FILE_FINDER_EMPTY_ROW_HEIGHT;
},
showClearInputButton() {
return this.searchText.trim() !== '';
},
},
watch: {
fileFindVisible() {
this.$nextTick(() => {
if (!this.fileFindVisible) {
this.searchText = '';
} else {
this.focusedIndex = 0;
if (this.$refs.searchInput) {
this.$refs.searchInput.focus();
}
}
});
},
searchText() {
this.focusedIndex = 0;
},
focusedIndex() {
if (!this.mouseOver) {
this.$nextTick(() => {
const el = this.$refs.virtualScrollList.$el;
const scrollTop = this.focusedIndex * FILE_FINDER_ROW_HEIGHT;
const bottom = this.listShowCount * FILE_FINDER_ROW_HEIGHT;
if (this.focusedIndex === 0) {
// if index is the first index, scroll straight to start
el.scrollTop = 0;
} else if (this.focusedIndex === this.filteredBlobsLength - 1) {
// if index is the last index, scroll to the end
el.scrollTop = this.filteredBlobsLength * FILE_FINDER_ROW_HEIGHT;
} else if (scrollTop >= bottom + el.scrollTop) {
// if element is off the bottom of the scroll list, scroll down one item
el.scrollTop = scrollTop - bottom + FILE_FINDER_ROW_HEIGHT;
} else if (scrollTop < el.scrollTop) {
// if element is off the top of the scroll list, scroll up one item
el.scrollTop = scrollTop;
}
});
}
},
},
methods: {
...mapActions(['toggleFileFinder']),
clearSearchInput() {
this.searchText = '';
this.$nextTick(() => {
this.$refs.searchInput.focus();
});
},
onKeydown(e) {
switch (e.keyCode) {
case UP_KEY_CODE:
e.preventDefault();
this.mouseOver = false;
this.cancelMouseOver = true;
if (this.focusedIndex > 0) {
this.focusedIndex -= 1;
} else {
this.focusedIndex = this.filteredBlobsLength - 1;
}
break;
case DOWN_KEY_CODE:
e.preventDefault();
this.mouseOver = false;
this.cancelMouseOver = true;
if (this.focusedIndex < this.filteredBlobsLength - 1) {
this.focusedIndex += 1;
} else {
this.focusedIndex = 0;
}
break;
default:
break;
}
},
onKeyup(e) {
switch (e.keyCode) {
case ENTER_KEY_CODE:
this.openFile(this.filteredBlobs[this.focusedIndex]);
break;
case ESC_KEY_CODE:
this.toggleFileFinder(false);
break;
default:
break;
}
},
openFile(file) {
this.toggleFileFinder(false);
router.push(`/project${file.url}`);
},
onMouseOver(index) {
if (!this.cancelMouseOver) {
this.mouseOver = true;
this.focusedIndex = index;
}
},
onMouseMove(index) {
this.cancelMouseOver = false;
this.onMouseOver(index);
},
},
};
</script>
<template>
<div
class="ide-file-finder-overlay"
@mousedown.self="toggleFileFinder(false)"
>
<div
class="dropdown-menu diff-file-changes ide-file-finder show"
>
<div class="dropdown-input">
<input
ref="searchInput"
:placeholder="__('Search files')"
v-model="searchText"
type="search"
class="dropdown-input-field"
autocomplete="off"
@keydown="onKeydown($event)"
@keyup="onKeyup($event)"
/>
<i
:class="{
hidden: showClearInputButton
}"
aria-hidden="true"
class="fa fa-search dropdown-input-search"
></i>
<i
:aria-label="__('Clear search input')"
:class="{
show: showClearInputButton
}"
role="button"
class="fa fa-times dropdown-input-clear"
@click="clearSearchInput"
></i>
</div>
<div>
<virtual-list
ref="virtualScrollList"
:size="listHeight"
:remain="listShowCount"
wtag="ul"
>
<template v-if="filteredBlobsLength">
<li
v-for="(file, index) in filteredBlobs"
:key="file.key"
>
<item
:file="file"
:search-text="searchText"
:focused="index === focusedIndex"
:index="index"
class="disable-hover"
@click="openFile"
@mouseover="onMouseOver"
@mousemove="onMouseMove"
/>
</li>
</template>
<li
v-else
class="dropdown-menu-empty-item"
>
<div class="append-right-default prepend-left-default prepend-top-8 append-bottom-8">
<template v-if="loading">
{{ __('Loading...') }}
</template>
<template v-else>
{{ __('No files found.') }}
</template>
</div>
</li>
</virtual-list>
</div>
</div>
</div>
</template>