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<script>
import { mapGetters, mapActions } from 'vuex';
import ClipboardButton from '~/vue_shared/components/clipboard_button.vue';
import Icon from '~/vue_shared/components/icon.vue';
import { pluralize } from '~/lib/utils/text_utility';
import { getParameterValues, mergeUrlParams } from '~/lib/utils/url_utility';
import { contentTop } from '~/lib/utils/common_utils';
import { __ } from '~/locale';
import ChangedFilesDropdown from './changed_files_dropdown.vue';
import changedFilesMixin from '../mixins/changed_files';
export default {
components: {
Icon,
ChangedFilesDropdown,
ClipboardButton,
},
mixins: [changedFilesMixin],
props: {
activeFile: {
type: String,
required: false,
default: '',
},
},
data() {
return {
isStuck: false,
maxWidth: 'auto',
offsetTop: 0,
};
},
computed: {
...mapGetters(['isInlineView', 'isParallelView', 'areAllFilesCollapsed']),
sumAddedLines() {
return this.sumValues('addedLines');
},
sumRemovedLines() {
return this.sumValues('removedLines');
},
whitespaceVisible() {
return !getParameterValues('w')[0];
},
toggleWhitespaceText() {
if (this.whitespaceVisible) {
return __('Hide whitespace changes');
}
return __('Show whitespace changes');
},
toggleWhitespacePath() {
if (this.whitespaceVisible) {
return mergeUrlParams({ w: 1 }, window.location.href);
}
return mergeUrlParams({ w: 0 }, window.location.href);
},
top() {
return `${this.offsetTop}px`;
},
},
created() {
document.addEventListener('scroll', this.handleScroll);
this.offsetTop = contentTop();
},
beforeDestroy() {
document.removeEventListener('scroll', this.handleScroll);
},
methods: {
...mapActions(['setInlineDiffViewType', 'setParallelDiffViewType', 'expandAllFiles']),
pluralize,
handleScroll() {
if (!this.updating) {
requestAnimationFrame(this.updateIsStuck);
this.updating = true;
}
},
updateIsStuck() {
if (!this.$refs.wrapper) {
return;
}
const scrollPosition = window.scrollY;
this.isStuck = scrollPosition + this.offsetTop >= this.$refs.placeholder.offsetTop;
this.updating = false;
},
sumValues(key) {
return this.diffFiles.reduce((total, file) => total + file[key], 0);
},
},
};
</script>
<template>
<span>
<div ref="placeholder"></div>
<div
ref="wrapper"
:style="{ top }"
:class="{'is-stuck': isStuck}"
class="content-block oneline-block diff-files-changed diff-files-changed-merge-request
files-changed js-diff-files-changed"
>
<div class="files-changed-inner">
<div
class="inline-parallel-buttons d-none d-md-block"
>
<a
v-if="areAllFilesCollapsed"
class="btn btn-default"
@click="expandAllFiles"
>
{{ __('Expand all') }}
</a>
<a
:href="toggleWhitespacePath"
class="btn btn-default"
>
{{ toggleWhitespaceText }}
</a>
<div class="btn-group">
<button
id="inline-diff-btn"
:class="{ active: isInlineView }"
type="button"
class="btn js-inline-diff-button"
data-view-type="inline"
@click="setInlineDiffViewType"
>
{{ __('Inline') }}
</button>
<button
id="parallel-diff-btn"
:class="{ active: isParallelView }"
type="button"
class="btn js-parallel-diff-button"
data-view-type="parallel"
@click="setParallelDiffViewType"
>
{{ __('Side-by-side') }}
</button>
</div>
</div>
<div class="commit-stat-summary dropdown">
<changed-files-dropdown
:diff-files="diffFiles"
/>
<span
v-show="activeFile"
class="prepend-left-5"
>
<strong class="prepend-right-5">
{{ truncatedDiffPath(activeFile) }}
</strong>
<clipboard-button
:text="activeFile"
:title="s__('Copy file name to clipboard')"
tooltip-placement="bottom"
tooltip-container="body"
class="btn btn-default btn-transparent btn-clipboard"
/>
</span>
<span
v-show="!isStuck"
id="diff-stats"
class="diff-stats-additions-deletions-expanded"
>
with
<strong class="cgreen">
{{ pluralize(`${sumAddedLines} addition`, sumAddedLines) }}
</strong>
and
<strong class="cred">
{{ pluralize(`${sumRemovedLines} deletion`, sumRemovedLines) }}
</strong>
</span>
</div>
</div>
</div>
</span>
</template>
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