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<template>
<div
v-if="fileTreeIsVisible"
class="mr-3 mt-3 diff-detail-box"
>
<!-- only render the tree if we're visible. in many cases this is something that doesn't change very often -->
<div class="ui list">
<DiffFileTreeItem v-for="item in fileTree" :key="item.name" :item="item" />
</div>
<div v-if="isIncomplete" id="diff-too-many-files-stats" class="pt-2">
<span>{{ tooManyFilesMessage }}</span><a :class="['ui', 'basic', 'tiny', 'button', isLoadingNewData === true ? 'disabled' : '']" id="diff-show-more-files-stats" @click.stop="loadMoreData">{{ showMoreMessage }}</a>
</div>
</div>
</template>
<script>
import DiffFileTreeItem from './DiffFileTreeItem.vue';
import {doLoadMoreFiles} from '../features/repo-diff.js';
const {pageData} = window.config;
const LOCAL_STORAGE_KEY = 'diff_file_tree_visible';
export default {
name: 'DiffFileTree',
components: {DiffFileTreeItem},
data: () => {
const fileTreeIsVisible = localStorage.getItem(LOCAL_STORAGE_KEY) === 'true';
pageData.diffFileInfo.fileTreeIsVisible = fileTreeIsVisible;
return pageData.diffFileInfo;
},
computed: {
fileTree() {
const result = [];
for (const file of this.files) {
// Split file into directories
const splits = file.Name.split('/');
let index = 0;
let parent = null;
let isFile = false;
for (const split of splits) {
index += 1;
// reached the end
if (index === splits.length) {
isFile = true;
}
let newParent = {
name: split,
children: [],
isFile
};
if (isFile === true) {
newParent.file = file;
}
if (parent) {
// check if the folder already exists
const existingFolder = parent.children.find(
(x) => x.name === split
);
if (existingFolder) {
newParent = existingFolder;
} else {
parent.children.push(newParent);
}
} else {
const existingFolder = result.find((x) => x.name === split);
if (existingFolder) {
newParent = existingFolder;
} else {
result.push(newParent);
}
}
parent = newParent;
}
}
const mergeChildIfOnlyOneDir = (entries) => {
for (const entry of entries) {
if (entry.children) {
mergeChildIfOnlyOneDir(entry.children);
}
if (entry.children.length === 1 && entry.children[0].isFile === false) {
// Merge it to the parent
entry.name = `${entry.name}/${entry.children[0].name}`;
entry.children = entry.children[0].children;
}
}
};
// Merge folders with just a folder as children in order to
// reduce the depth of our tree.
mergeChildIfOnlyOneDir(result);
return result;
}
},
mounted() {
// ensure correct buttons when we are mounted to the dom
this.adjustToggleButton(this.fileTreeIsVisible);
document.querySelector('.diff-toggle-file-tree-button').addEventListener('click', this.toggleVisibility);
},
unmounted() {
document.querySelector('.diff-toggle-file-tree-button').removeEventListener('click', this.toggleVisibility);
},
methods: {
toggleVisibility() {
this.updateVisibility(!this.fileTreeIsVisible);
},
updateVisibility(visible) {
this.fileTreeIsVisible = visible;
localStorage.setItem(LOCAL_STORAGE_KEY, this.fileTreeIsVisible);
this.adjustToggleButton(this.fileTreeIsVisible);
},
adjustToggleButton(visible) {
const [toShow, toHide] = document.querySelectorAll('.diff-toggle-file-tree-button .icon');
toShow.classList.toggle('hide', visible); // hide the toShow icon if the tree is visible
toHide.classList.toggle('hide', !visible); // similarly
const diffTree = document.getElementById('diff-file-tree');
diffTree.classList.toggle('hide', !visible);
},
loadMoreData() {
this.isLoadingNewData = true;
doLoadMoreFiles(this.link, this.diffEnd, () => {
this.isLoadingNewData = false;
});
}
},
};
</script>
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