debian-mirror-gitlab/app/assets/javascripts/diffs/components/diff_expansion_cell.vue

246 lines
6.9 KiB
Vue
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<script>
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import { GlIcon } from '@gitlab/ui';
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import { mapState, mapActions } from 'vuex';
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import { deprecatedCreateFlash as createFlash } from '~/flash';
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import { s__, sprintf } from '~/locale';
import glFeatureFlagsMixin from '~/vue_shared/mixins/gl_feature_flags_mixin';
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import { UNFOLD_COUNT, INLINE_DIFF_VIEW_TYPE, INLINE_DIFF_LINES_KEY } from '../constants';
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import * as utils from '../store/utils';
const EXPAND_ALL = 0;
const EXPAND_UP = 1;
const EXPAND_DOWN = 2;
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const lineNumberByViewType = (viewType, diffLine) => {
const numberGetters = {
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[INLINE_DIFF_VIEW_TYPE]: (line) => line?.new_line,
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};
const numberGetter = numberGetters[viewType];
return numberGetter && numberGetter(diffLine);
};
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const i18n = {
showMore: sprintf(s__('Diffs|Show %{unfoldCount} lines'), { unfoldCount: UNFOLD_COUNT }),
showAll: s__('Diffs|Show all unchanged lines'),
};
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export default {
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i18n,
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components: {
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GlIcon,
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},
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mixins: [glFeatureFlagsMixin()],
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props: {
fileHash: {
type: String,
required: true,
},
contextLinesPath: {
type: String,
required: true,
},
line: {
type: Object,
required: true,
},
isTop: {
type: Boolean,
required: false,
default: false,
},
isBottom: {
type: Boolean,
required: false,
default: false,
},
},
computed: {
...mapState({
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diffFiles: (state) => state.diffs.diffFiles,
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}),
canExpandUp() {
return !this.isBottom;
},
canExpandDown() {
return this.isBottom || !this.isTop;
},
},
created() {
this.EXPAND_DOWN = EXPAND_DOWN;
this.EXPAND_UP = EXPAND_UP;
},
methods: {
...mapActions('diffs', ['loadMoreLines']),
getPrevLineNumber(oldLineNumber, newLineNumber) {
const diffFile = utils.findDiffFile(this.diffFiles, this.fileHash);
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const index = utils.getPreviousLineIndex(INLINE_DIFF_VIEW_TYPE, diffFile, {
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oldLineNumber,
newLineNumber,
});
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return (
lineNumberByViewType(INLINE_DIFF_VIEW_TYPE, diffFile[INLINE_DIFF_LINES_KEY][index - 2]) || 0
);
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},
callLoadMoreLines(
endpoint,
params,
lineNumbers,
fileHash,
isExpandDown = false,
nextLineNumbers = {},
) {
this.loadMoreLines({ endpoint, params, lineNumbers, fileHash, isExpandDown, nextLineNumbers })
.then(() => {
this.isRequesting = false;
})
.catch(() => {
createFlash(s__('Diffs|Something went wrong while fetching diff lines.'));
this.isRequesting = false;
});
},
handleExpandLines(type = EXPAND_ALL) {
if (this.isRequesting) {
return;
}
this.isRequesting = true;
const endpoint = this.contextLinesPath;
const { fileHash } = this;
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const view = INLINE_DIFF_VIEW_TYPE;
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const oldLineNumber = this.line.meta_data.old_pos || 0;
const newLineNumber = this.line.meta_data.new_pos || 0;
const offset = newLineNumber - oldLineNumber;
const expandOptions = { endpoint, fileHash, view, oldLineNumber, newLineNumber, offset };
if (type === EXPAND_UP) {
this.handleExpandUpLines(expandOptions);
} else if (type === EXPAND_DOWN) {
this.handleExpandDownLines(expandOptions);
} else {
this.handleExpandAllLines(expandOptions);
}
},
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handleExpandUpLines(expandOptions) {
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const { endpoint, fileHash, view, oldLineNumber, newLineNumber, offset } = expandOptions;
const bottom = this.isBottom;
const lineNumber = newLineNumber - 1;
const to = lineNumber;
let since = lineNumber - UNFOLD_COUNT;
let unfold = true;
const prevLineNumber = this.getPrevLineNumber(oldLineNumber, newLineNumber);
if (since <= prevLineNumber + 1) {
since = prevLineNumber + 1;
unfold = false;
}
const params = { since, to, bottom, offset, unfold, view };
const lineNumbers = { oldLineNumber, newLineNumber };
this.callLoadMoreLines(endpoint, params, lineNumbers, fileHash);
},
handleExpandDownLines(expandOptions) {
const {
endpoint,
fileHash,
view,
oldLineNumber: metaOldPos,
newLineNumber: metaNewPos,
offset,
} = expandOptions;
const bottom = true;
const nextLineNumbers = {
old_line: metaOldPos,
new_line: metaNewPos,
};
let unfold = true;
let isExpandDown = false;
let oldLineNumber = metaOldPos;
let newLineNumber = metaNewPos;
let lineNumber = metaNewPos + 1;
let since = lineNumber;
let to = lineNumber + UNFOLD_COUNT;
if (!this.isBottom) {
const prevLineNumber = this.getPrevLineNumber(oldLineNumber, newLineNumber);
isExpandDown = true;
oldLineNumber = prevLineNumber - offset;
newLineNumber = prevLineNumber;
lineNumber = prevLineNumber + 1;
since = lineNumber;
to = lineNumber + UNFOLD_COUNT;
if (to >= metaNewPos) {
to = metaNewPos - 1;
unfold = false;
}
}
const params = { since, to, bottom, offset, unfold, view };
const lineNumbers = { oldLineNumber, newLineNumber };
this.callLoadMoreLines(
endpoint,
params,
lineNumbers,
fileHash,
isExpandDown,
nextLineNumbers,
);
},
handleExpandAllLines(expandOptions) {
const { endpoint, fileHash, view, oldLineNumber, newLineNumber, offset } = expandOptions;
const bottom = this.isBottom;
const unfold = false;
let since;
let to;
if (this.isTop) {
since = 1;
to = newLineNumber - 1;
} else if (bottom) {
since = newLineNumber + 1;
to = -1;
} else {
const prevLineNumber = this.getPrevLineNumber(oldLineNumber, newLineNumber);
since = prevLineNumber + 1;
to = newLineNumber - 1;
}
const params = { since, to, bottom, offset, unfold, view };
const lineNumbers = { oldLineNumber, newLineNumber };
this.callLoadMoreLines(endpoint, params, lineNumbers, fileHash);
},
},
};
</script>
<template>
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<div class="content js-line-expansion-content">
<a
v-if="canExpandDown"
class="gl-mx-2 gl-cursor-pointer js-unfold-down gl-display-inline-block gl-py-4"
@click="handleExpandLines(EXPAND_DOWN)"
>
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<gl-icon :size="12" name="expand-down" />
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<span>{{ $options.i18n.showMore }}</span>
</a>
<a class="gl-mx-2 cursor-pointer js-unfold-all" @click="handleExpandLines()">
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<gl-icon :size="12" name="expand" />
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<span>{{ $options.i18n.showAll }}</span>
</a>
<a
v-if="canExpandUp"
class="gl-mx-2 gl-cursor-pointer js-unfold gl-display-inline-block gl-py-4"
@click="handleExpandLines(EXPAND_UP)"
>
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<gl-icon :size="12" name="expand-up" />
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<span>{{ $options.i18n.showMore }}</span>
</a>
</div>
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</template>