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<script>
import $ from 'jquery';
import { mapGetters } from 'vuex';
import DiffTableCell from './diff_table_cell.vue';
import {
NEW_LINE_TYPE,
OLD_LINE_TYPE,
CONTEXT_LINE_TYPE,
CONTEXT_LINE_CLASS_NAME,
OLD_NO_NEW_LINE_TYPE,
PARALLEL_DIFF_VIEW_TYPE,
NEW_NO_NEW_LINE_TYPE,
LINE_POSITION_LEFT,
LINE_POSITION_RIGHT,
} from '../constants';
export default {
components: {
DiffTableCell,
},
props: {
diffFile: {
type: Object,
required: true,
},
line: {
type: Object,
required: true,
},
isBottom: {
type: Boolean,
required: false,
default: false,
},
},
data() {
return {
isLeftHover: false,
isRightHover: false,
};
},
computed: {
...mapGetters('diffs', ['isParallelView']),
isContextLine() {
return this.line.left.type === CONTEXT_LINE_TYPE;
},
classNameMap() {
return {
[CONTEXT_LINE_CLASS_NAME]: this.isContextLine,
[PARALLEL_DIFF_VIEW_TYPE]: this.isParallelView,
};
},
parallelViewLeftLineType() {
if (this.line.right.type === NEW_NO_NEW_LINE_TYPE) {
return OLD_NO_NEW_LINE_TYPE;
}
return this.line.left.type;
},
},
created() {
this.newLineType = NEW_LINE_TYPE;
this.oldLineType = OLD_LINE_TYPE;
this.linePositionLeft = LINE_POSITION_LEFT;
this.linePositionRight = LINE_POSITION_RIGHT;
this.parallelDiffViewType = PARALLEL_DIFF_VIEW_TYPE;
},
methods: {
handleMouseMove(e) {
const isHover = e.type === 'mouseover';
const hoveringCell = e.target.closest('td');
const allCellsInHoveringRow = Array.from(e.currentTarget.children);
const hoverIndex = allCellsInHoveringRow.indexOf(hoveringCell);
if (hoverIndex >= 2) {
this.isRightHover = isHover;
} else {
this.isLeftHover = isHover;
}
},
// Prevent text selecting on both sides of parallel diff view
// Backport of the same code from legacy diff notes.
handleParallelLineMouseDown(e) {
const line = $(e.currentTarget);
const table = line.closest('table');
table.removeClass('left-side-selected right-side-selected');
const [lineClass] = ['left-side', 'right-side'].filter(name => line.hasClass(name));
if (lineClass) {
table.addClass(`${lineClass}-selected`);
}
},
},
};
</script>
<template>
<tr
:class="classNameMap"
class="line_holder"
@mouseover="handleMouseMove"
@mouseout="handleMouseMove"
>
<diff-table-cell
:diff-file="diffFile"
:line="line"
:line-type="oldLineType"
:line-position="linePositionLeft"
:is-bottom="isBottom"
:is-hover="isLeftHover"
:show-comment-button="true"
:diff-view-type="parallelDiffViewType"
class="diff-line-num old_line"
/>
<td
v-once
:id="line.left.lineCode"
:class="parallelViewLeftLineType"
class="line_content parallel left-side"
@mousedown.native="handleParallelLineMouseDown"
v-html="line.left.richText"
>
</td>
<diff-table-cell
:diff-file="diffFile"
:line="line"
:line-type="newLineType"
:line-position="linePositionRight"
:is-bottom="isBottom"
:is-hover="isRightHover"
:show-comment-button="true"
:diff-view-type="parallelDiffViewType"
class="diff-line-num new_line"
/>
<td
v-once
:id="line.right.lineCode"
:class="line.right.type"
class="line_content parallel right-side"
@mousedown.native="handleParallelLineMouseDown"
v-html="line.right.richText"
>
</td>
</tr>
</template>
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