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reimplemented expand/collapse differently for better performance

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zadam
2020-05-03 13:15:08 +02:00
parent 742df25bc2
commit 2a3091f788
7 changed files with 51 additions and 47 deletions
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59
src/public/app/widgets/note_tree.js
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@@ -362,17 +362,13 @@ export default class NoteTreeWidget extends TabAwareWidget {
},
// this is done to automatically lazy load all expanded notes after tree load
loadChildren: (event, data) => {
// semaphore since the conflict when two processes are trying to load the same data
// breaks the fancytree
if (!this.tree || !this.tree.autoLoadingDisabled) {
data.node.visit((subNode) => {
// Load all lazy/unloaded child nodes
// (which will trigger `loadChildren` recursively)
if (subNode.isUndefined() && subNode.isExpanded()) {
subNode.load();
}
});
}
data.node.visit((subNode) => {
// Load all lazy/unloaded child nodes
// (which will trigger `loadChildren` recursively)
if (subNode.isUndefined() && subNode.isExpanded()) {
subNode.load();
}
});
}
});
@@ -596,47 +592,30 @@ export default class NoteTreeWidget extends TabAwareWidget {
return notes;
}
async expandTree(node = null) {
async setExpandedStatusForSubtree(node, isExpanded) {
if (!node) {
const hoistedNoteId = hoistedNoteService.getHoistedNoteId();
node = this.getNodesByNoteId(hoistedNoteId)[0];
}
this.batchUpdate(async () => {
try {
this.tree.autoLoadingDisabled = true;
const {branchIds} = await server.put(`branches/${node.data.branchId}/expanded-subtree/${isExpanded ? 1 : 0}`);
// trick - first force load of the whole subtree and then visit and expand.
// unfortunately the two steps can't be combined
await node.visitAndLoad(_ => {}, true);
treeCache.getBranches(branchIds, true).forEach(branch => branch.isExpanded = isExpanded);
node.visit(node => {
if (node.isFolder()) {
node.setExpanded(true);
}
}, true);
}
finally {
this.tree.autoLoadingDisabled = false;
}
await this.batchUpdate(async () => {
await node.load(true);
await node.setExpanded(isExpanded, {noEvents: true});
});
}
collapseTree(node = null) {
if (!node) {
const hoistedNoteId = hoistedNoteService.getHoistedNoteId();
async expandTree(node = null) {
await this.setExpandedStatusForSubtree(node, true);
}
node = this.getNodesByNoteId(hoistedNoteId)[0];
}
this.batchUpdate(() => {
node.visit(node => {
if (node.isFolder()) {
node.setExpanded(false);
}
}, true);
});
async collapseTree(node = null) {
await this.setExpandedStatusForSubtree(node, false);
}
/**