Imperative named Slots

The idea is to instead of imperatively appending slotted comments to
threadGroupEls (which results in them being removed from the light DOM
of the gr-diff element and thus causing all kinds of tracking
difficulties), to slot them into a named slot in the appropriate line.

Change-Id: I17e99b236240baab581f8c266bed3d400a302408
This commit is contained in:
Ole Rehmsen
2018-11-09 11:33:16 +01:00
parent f200099f4b
commit a970d4e834
13 changed files with 176 additions and 273 deletions

View File

@@ -20,10 +20,8 @@
// Prevent redefinition.
if (window.GrDiffBuilderBinary) { return; }
function GrDiffBuilderBinary(diff, commentThreadEls, prefs,
outputEl) {
GrDiffBuilder.call(this, diff, commentThreadEls, prefs,
outputEl);
function GrDiffBuilderBinary(diff, prefs, outputEl) {
GrDiffBuilder.call(this, diff, prefs, outputEl);
}
GrDiffBuilderBinary.prototype = Object.create(GrDiffBuilder.prototype);

View File

@@ -22,10 +22,8 @@
const IMAGE_MIME_PATTERN = /^image\/(bmp|gif|jpeg|jpg|png|tiff|webp)$/;
function GrDiffBuilderImage(diff, commentThreadEls, prefs,
outputEl, baseImage, revisionImage) {
GrDiffBuilderSideBySide.call(this, diff, commentThreadEls,
prefs, outputEl, []);
function GrDiffBuilderImage(diff, prefs, outputEl, baseImage, revisionImage) {
GrDiffBuilderSideBySide.call(this, diff, prefs, outputEl, []);
this._baseImage = baseImage;
this._revisionImage = revisionImage;
}

View File

@@ -20,10 +20,8 @@
// Prevent redefinition.
if (window.GrDiffBuilderSideBySide) { return; }
function GrDiffBuilderSideBySide(diff, commentThreadEls,
prefs, outputEl, layers) {
GrDiffBuilder.call(this, diff, commentThreadEls, prefs,
outputEl, layers);
function GrDiffBuilderSideBySide(diff, prefs, outputEl, layers) {
GrDiffBuilder.call(this, diff, prefs, outputEl, layers);
}
GrDiffBuilderSideBySide.prototype = Object.create(GrDiffBuilder.prototype);
GrDiffBuilderSideBySide.prototype.constructor = GrDiffBuilderSideBySide;
@@ -99,10 +97,6 @@
row.appendChild(action);
} else {
const textEl = this._createTextEl(line, side);
const threadGroupEl = this._commentThreadGroupForLine(line, side);
if (threadGroupEl) {
textEl.appendChild(threadGroupEl);
}
row.appendChild(textEl);
}
};

View File

@@ -20,10 +20,8 @@
// Prevent redefinition.
if (window.GrDiffBuilderUnified) { return; }
function GrDiffBuilderUnified(diff, commentThreadEls, prefs,
outputEl, layers) {
GrDiffBuilder.call(this, diff, commentThreadEls, prefs,
outputEl, layers);
function GrDiffBuilderUnified(diff, prefs, outputEl, layers) {
GrDiffBuilder.call(this, diff, prefs, outputEl, layers);
}
GrDiffBuilderUnified.prototype = Object.create(GrDiffBuilder.prototype);
GrDiffBuilderUnified.prototype.constructor = GrDiffBuilderUnified;
@@ -88,10 +86,6 @@
row.appendChild(action);
} else {
const textEl = this._createTextEl(line);
const threadGroupEl = this._commentThreadGroupForLine(line);
if (threadGroupEl) {
textEl.appendChild(threadGroupEl);
}
row.appendChild(textEl);
}
return row;

View File

@@ -121,10 +121,6 @@ limitations under the License.
return this.queryEffectiveChildren('#diffTable');
},
get _commentThreadElements() {
return this.queryAllEffectiveChildren('.comment-thread');
},
observers: [
'_groupsChanged(_groups.splices)',
],
@@ -292,20 +288,16 @@ limitations under the License.
let builder = null;
if (this.isImageDiff) {
builder = new GrDiffBuilderImage(diff,
this._commentThreadElements, prefs, this.diffElement,
builder = new GrDiffBuilderImage(diff, prefs, this.diffElement,
this.baseImage, this.revisionImage);
} else if (diff.binary) {
// If the diff is binary, but not an image.
return new GrDiffBuilderBinary(diff,
this._commentThreadElements, prefs, this.diffElement);
return new GrDiffBuilderBinary(diff, prefs, this.diffElement);
} else if (this.viewMode === DiffViewMode.SIDE_BY_SIDE) {
builder = new GrDiffBuilderSideBySide(diff,
this._commentThreadElements, prefs, this.diffElement,
builder = new GrDiffBuilderSideBySide(diff, prefs, this.diffElement,
this._layers);
} else if (this.viewMode === DiffViewMode.UNIFIED) {
builder = new GrDiffBuilderUnified(diff,
this._commentThreadElements, prefs, this.diffElement,
builder = new GrDiffBuilderUnified(diff, prefs, this.diffElement,
this._layers);
}
if (!builder) {

View File

@@ -20,60 +20,6 @@
// Prevent redefinition.
if (window.GrDiffBuilder) { return; }
/** @enum {string} */
Gerrit.DiffSide = {
LEFT: 'left',
RIGHT: 'right',
BOTH: 'both',
};
/**
* @param {!Array<!HTMLElement>} threadEls
* @param {!{beforeNumber: (number|string|undefined),
* afterNumber: (number|string|undefined)}}
* lineInfo
* @param {!Gerrit.DiffSide=} side The side (LEFT, RIGHT, BOTH) for
* which to return the threads (default: BOTH).
* @return {!Array<!HTMLElement>} The thread elements matching the given
* location.
*/
Gerrit.filterThreadElsForLocation = function(
threadEls, lineInfo, side = Gerrit.DiffSide.BOTH) {
function matchesLeftLine(threadEl) {
return threadEl.getAttribute('comment-side') ==
Gerrit.DiffSide.LEFT &&
threadEl.getAttribute('line-num') == lineInfo.beforeNumber;
}
function matchesRightLine(threadEl) {
return threadEl.getAttribute('comment-side') ==
Gerrit.DiffSide.RIGHT &&
threadEl.getAttribute('line-num') == lineInfo.afterNumber;
}
function matchesFileComment(threadEl) {
return (side === Gerrit.DiffSide.BOTH ||
threadEl.getAttribute('comment-side') == side) &&
// line/range comments have 1-based line set, if line is falsy it's
// a file comment
!threadEl.getAttribute('line-num');
}
// Select the appropriate matchers for the desired side and line
// If side is BOTH, we want both the left and right matcher.
const matchers = [];
if (side !== Gerrit.DiffSide.RIGHT) {
matchers.push(matchesLeftLine);
}
if (side !== Gerrit.DiffSide.LEFT) {
matchers.push(matchesRightLine);
}
if (lineInfo.afterNumber === 'FILE' ||
lineInfo.beforeNumber === 'FILE') {
matchers.push(matchesFileComment);
}
return threadEls.filter(threadEl =>
matchers.some(matcher => matcher(threadEl)));
};
/**
* In JS, unicode code points above 0xFFFF occupy two elements of a string.
* For example '𐀏'.length is 2. An occurence of such a code point is called a
@@ -96,8 +42,7 @@
*/
const REGEX_TAB_OR_SURROGATE_PAIR = /\t|[\uD800-\uDBFF][\uDC00-\uDFFF]/;
function GrDiffBuilder(diff, commentThreadEls, prefs,
outputEl, layers) {
function GrDiffBuilder(diff, prefs, outputEl, layers) {
this._diff = diff;
this._prefs = prefs;
this._outputEl = outputEl;
@@ -119,8 +64,6 @@
layer.addListener(this._handleLayerUpdate.bind(this));
}
}
this._threadEls = commentThreadEls;
}
GrDiffBuilder.GroupType = {
@@ -373,31 +316,6 @@
return button;
};
/**
* @param {!GrDiffLine} line
* @param {!GrDiffBuilder.Side=} side The side (LEFT, RIGHT, BOTH) for which
* to return the thread group (default: BOTH).
* @return {!Object}
*/
GrDiffBuilder.prototype._commentThreadGroupForLine = function(
line, commentSide = GrDiffBuilder.Side.BOTH) {
const threadElsForGroup =
Gerrit.filterThreadElsForLocation(this._threadEls, line, commentSide);
if (!threadElsForGroup || threadElsForGroup.length === 0) {
return null;
}
const threadGroupEl = document.createElement('div');
threadGroupEl.className = 'thread-group';
for (const threadEl of threadElsForGroup) {
Polymer.dom(threadGroupEl).appendChild(threadEl);
}
if (commentSide) {
threadGroupEl.setAttribute('data-side', commentSide);
}
return threadGroupEl;
};
GrDiffBuilder.prototype._createLineEl = function(
line, number, type, opt_class) {
const td = this._createElement('td');

View File

@@ -75,70 +75,11 @@ limitations under the License.
show_tabs: true,
tab_size: 4,
};
builder = new GrDiffBuilder({content: []}, [], prefs);
builder = new GrDiffBuilder({content: []}, prefs);
});
teardown(() => { sandbox.restore(); });
test('filterThreadElsForLocation with no threads', () => {
const line = {beforeNumber: 3, afterNumber: 5};
const threads = [];
assert.deepEqual(Gerrit.filterThreadElsForLocation(threads, line), []);
assert.deepEqual(Gerrit.filterThreadElsForLocation(threads, line,
Gerrit.DiffSide.LEFT), []);
assert.deepEqual(Gerrit.filterThreadElsForLocation(threads, line,
Gerrit.DiffSide.RIGHT), []);
});
test('filterThreadElsForLocation for line comments', () => {
const line = {beforeNumber: 3, afterNumber: 5};
const l3 = document.createElement('div');
l3.setAttribute('line-num', 3);
l3.setAttribute('comment-side', 'left');
const l5 = document.createElement('div');
l5.setAttribute('line-num', 5);
l5.setAttribute('comment-side', 'left');
const r3 = document.createElement('div');
r3.setAttribute('line-num', 3);
r3.setAttribute('comment-side', 'right');
const r5 = document.createElement('div');
r5.setAttribute('line-num', 5);
r5.setAttribute('comment-side', 'right');
const threadEls = [l3, l5, r3, r5];
assert.deepEqual(Gerrit.filterThreadElsForLocation(threadEls, line),
[l3, r5]);
assert.deepEqual(Gerrit.filterThreadElsForLocation(threadEls, line,
Gerrit.DiffSide.LEFT), [l3]);
assert.deepEqual(Gerrit.filterThreadElsForLocation(threadEls, line,
Gerrit.DiffSide.RIGHT), [r5]);
});
test('filterThreadElsForLocation for file comments', () => {
const line = {beforeNumber: 'FILE', afterNumber: 'FILE'};
const l = document.createElement('div');
l.setAttribute('comment-side', 'left');
const r = document.createElement('div');
r.setAttribute('comment-side', 'right');
const threadEls = [l, r];
assert.deepEqual(Gerrit.filterThreadElsForLocation(threadEls, line),
[l, r]);
assert.deepEqual(Gerrit.filterThreadElsForLocation(threadEls, line,
Gerrit.DiffSide.BOTH), [l, r]);
assert.deepEqual(Gerrit.filterThreadElsForLocation(threadEls, line,
Gerrit.DiffSide.LEFT), [l]);
assert.deepEqual(Gerrit.filterThreadElsForLocation(threadEls, line,
Gerrit.DiffSide.RIGHT), [r]);
});
test('_createElement classStr applies all classes', () => {
const node = builder._createElement('div', 'test classes');
assert.isTrue(node.classList.contains('gr-diff'));
@@ -312,73 +253,6 @@ limitations under the License.
}
});
test('comment thread group creation', () => {
const l3 = document.createElement('div');
l3.className = 'comment-thread';
l3.setAttribute('comment-side', 'left');
l3.setAttribute('line-num', 3);
const l5 = document.createElement('div');
l5.className = 'comment-thread';
l5.setAttribute('comment-side', 'left');
l5.setAttribute('line-num', 5);
const r5 = document.createElement('div');
r5.className = 'comment-thread';
r5.setAttribute('comment-side', 'right');
r5.setAttribute('line-num', 5);
builder = new GrDiffBuilder({content: []}, [l3, l5, r5], prefs);
function checkThreadGroupProps(threadGroupEl,
expectedThreadEls) {
const threadEls = Polymer.dom(threadGroupEl).queryDistributedElements(
'.comment-thread');
assert.equal(threadEls.length, expectedThreadEls.length);
for (let i=0; i<expectedThreadEls.length; i++) {
assert.equal(threadEls[i], expectedThreadEls[i]);
}
}
let line = new GrDiffLine(GrDiffLine.Type.BOTH);
line.beforeNumber = 5;
line.afterNumber = 5;
let threadGroupEl = builder._commentThreadGroupForLine(line);
checkThreadGroupProps(threadGroupEl, [l5, r5]);
threadGroupEl =
builder._commentThreadGroupForLine(line, GrDiffBuilder.Side.RIGHT);
checkThreadGroupProps(threadGroupEl, [r5]);
threadGroupEl =
builder._commentThreadGroupForLine(line, GrDiffBuilder.Side.LEFT);
checkThreadGroupProps(threadGroupEl, [l5]);
threadGroupEl = builder._commentThreadGroupForLine(line);
checkThreadGroupProps(threadGroupEl, [l5, r5]);
threadEl =
builder._commentThreadGroupForLine(line, GrDiffBuilder.Side.LEFT);
checkThreadGroupProps(threadEl, [l5]);
threadGroupEl =
builder._commentThreadGroupForLine(line, GrDiffBuilder.Side.RIGHT);
checkThreadGroupProps(threadGroupEl, [r5]);
line = new GrDiffLine(GrDiffLine.Type.REMOVE);
line.beforeNumber = 5;
line.afterNumber = 5;
threadGroupEl = builder._commentThreadGroupForLine(line);
checkThreadGroupProps(threadGroupEl, [l5, r5]);
line = new GrDiffLine(GrDiffLine.Type.ADD);
line.beforeNumber = 3;
line.afterNumber = 5;
threadGroupEl = builder._commentThreadGroupForLine(line);
checkThreadGroupProps(threadGroupEl, [l3, r5]);
});
test('_handlePreferenceError called with invalid preference', () => {
sandbox.stub(element, '_handlePreferenceError');
const prefs = {tab_size: 0};
@@ -913,7 +787,7 @@ limitations under the License.
outputEl = element.queryEffectiveChildren('#diffTable');
keyLocations = {left: {}, right: {}};
sandbox.stub(element, '_getDiffBuilder', () => {
const builder = new GrDiffBuilder({content}, [], prefs, outputEl);
const builder = new GrDiffBuilder({content}, prefs, outputEl);
sandbox.stub(builder, 'addColumns');
builder.buildSectionElement = function(group) {
const section = document.createElement('stub');

View File

@@ -74,8 +74,16 @@
this.debounce('selectionChange', this._handleSelection, 200);
},
_getThreadEl(e) {
const path = Polymer.dom(e).path || [];
for (const pathEl of path) {
if (pathEl.classList.contains('comment-thread')) return pathEl;
}
return null;
},
_handleCommentThreadMouseenter(e) {
const threadEl = Polymer.dom(e).localTarget;
const threadEl = this._getThreadEl(e);
const index = this._indexForThreadEl(threadEl);
if (index !== undefined) {
@@ -84,7 +92,7 @@
},
_handleCommentThreadMouseleave(e) {
const threadEl = Polymer.dom(e).localTarget;
const threadEl = this._getThreadEl(e);
const index = this._indexForThreadEl(threadEl);
if (index !== undefined) {

View File

@@ -199,6 +199,7 @@ limitations under the License.
test('comment-thread-mouseenter from line comments is ignored', () => {
const threadEl = document.createElement('div');
threadEl.className = 'comment-thread';
threadEl.setAttribute('comment-side', 'right');
threadEl.setAttribute('line-num', 3);
element.appendChild(threadEl);
@@ -212,6 +213,7 @@ limitations under the License.
test('comment-thread-mouseenter from ranged comment causes set', () => {
const threadEl = document.createElement('div');
threadEl.className = 'comment-thread';
threadEl.setAttribute('comment-side', 'right');
threadEl.setAttribute('line-num', 3);
threadEl.setAttribute('range', JSON.stringify({
@@ -239,6 +241,7 @@ limitations under the License.
test('comment-thread-mouseleave from line comments is ignored', () => {
const threadEl = document.createElement('div');
threadEl.className = 'comment-thread';
threadEl.setAttribute('comment-side', 'right');
threadEl.setAttribute('line-num', 3);
element.appendChild(threadEl);

View File

@@ -63,6 +63,12 @@
a.end_character === b.end_character;
}
/** @enum {string} */
Gerrit.DiffSide = {
LEFT: 'left',
RIGHT: 'right',
};
/**
* Wrapper around gr-diff.
*
@@ -196,11 +202,6 @@
type: Number,
computed: '_computeParentIndex(patchRange.*)',
},
_threadEls: {
type: Array,
value: () => [],
},
},
behaviors: [
@@ -344,7 +345,7 @@
* @return {!Array<!HTMLElement>}
*/
getThreadEls() {
return this._threadEls;
return Polymer.dom(this.$.diff).querySelectorAll('.comment-thread');
},
/** @param {HTMLElement} el */
@@ -471,7 +472,6 @@
return isImageDiff(diff);
},
_commentsChanged(newComments) {
const allComments = [];
for (const side of [GrDiffBuilder.Side.LEFT, GrDiffBuilder.Side.RIGHT]) {
@@ -590,21 +590,20 @@
},
_attachThreadElement(threadEl) {
this._threadEls.push(threadEl);
Polymer.dom(this.$.diff).appendChild(threadEl);
},
_clearThreads() {
for (const threadEl of this._threadEls) {
for (const threadEl of this.getThreadEls()) {
const parent = Polymer.dom(threadEl).parentNode;
Polymer.dom(parent).removeChild(threadEl);
}
this._threadEls = [];
},
_createThreadElement(thread) {
const threadEl = document.createElement('gr-diff-comment-thread');
threadEl.className = 'comment-thread';
threadEl.slot = `${thread.commentSide}-${thread.lineNum}`;
threadEl.comments = thread.comments;
threadEl.commentSide = thread.commentSide;
threadEl.isOnParent = !!thread.isOnParent;
@@ -625,10 +624,6 @@
const parent = Polymer.dom(threadEl).parentNode;
Polymer.dom(parent).removeChild(threadEl);
const i = this._threadEls.findIndex(
threadEl => threadEl.rootId == e.detail.rootId);
this._threadEls.splice(i, 1);
threadEl.removeEventListener('root-id-changed', rootIdChangedListener);
threadEl.removeEventListener('thread-discard', threadDiscardListener);
};
@@ -660,11 +655,56 @@
return rangesEqual(threadRange, range);
}
const filteredThreadEls = Gerrit.filterThreadElsForLocation(
this._threadEls, line, commentSide).filter(matchesRange);
const filteredThreadEls = this._filterThreadElsForLocation(
this.getThreadEls(), line, commentSide).filter(matchesRange);
return filteredThreadEls.length ? filteredThreadEls[0] : null;
},
/**
* @param {!Array<!HTMLElement>} threadEls
* @param {!{beforeNumber: (number|string|undefined|null),
* afterNumber: (number|string|undefined|null)}}
* lineInfo
* @param {!Gerrit.DiffSide=} side The side (LEFT, RIGHT) for
* which to return the threads.
* @return {!Array<!HTMLElement>} The thread elements matching the given
* location.
*/
_filterThreadElsForLocation(threadEls, lineInfo, side) {
function matchesLeftLine(threadEl) {
return threadEl.getAttribute('comment-side') ==
Gerrit.DiffSide.LEFT &&
threadEl.getAttribute('line-num') == lineInfo.beforeNumber;
}
function matchesRightLine(threadEl) {
return threadEl.getAttribute('comment-side') ==
Gerrit.DiffSide.RIGHT &&
threadEl.getAttribute('line-num') == lineInfo.afterNumber;
}
function matchesFileComment(threadEl) {
return threadEl.getAttribute('comment-side') == side &&
// line/range comments have 1-based line set, if line is falsy it's
// a file comment
!threadEl.getAttribute('line-num');
}
// Select the appropriate matchers for the desired side and line
// If side is BOTH, we want both the left and right matcher.
const matchers = [];
if (side !== Gerrit.DiffSide.RIGHT) {
matchers.push(matchesLeftLine);
}
if (side !== Gerrit.DiffSide.LEFT) {
matchers.push(matchesRightLine);
}
if (lineInfo.afterNumber === 'FILE' ||
lineInfo.beforeNumber === 'FILE') {
matchers.push(matchesFileComment);
}
return threadEls.filter(threadEl =>
matchers.some(matcher => matcher(threadEl)));
},
/**
* Take a diff that was loaded with a ignore-whitespace other than
* IGNORE_NONE, and convert delta chunks labeled as common into shared

View File

@@ -769,10 +769,11 @@ limitations under the License.
});
});
test('getThreadEls() returns _threadEls', () => {
const returnValue = [document.createElement('b')];
element._threadEls = returnValue;
assert.equal(element.getThreadEls(), returnValue);
test('getThreadEls() returns .comment-threads', () => {
const threadEl = document.createElement('div');
threadEl.className = 'comment-thread';
Polymer.dom(element.$.diff).appendChild(threadEl);
assert.deepEqual(element.getThreadEls(), [threadEl]);
});
test('delegates addDraftAtLine(el)', () => {
@@ -1159,6 +1160,65 @@ limitations under the License.
assert.equal(threads[1].patchNum, 3);
});
test('_filterThreadElsForLocation with no threads', () => {
const line = {beforeNumber: 3, afterNumber: 5};
const threads = [];
assert.deepEqual(element._filterThreadElsForLocation(threads, line), []);
assert.deepEqual(element._filterThreadElsForLocation(threads, line,
Gerrit.DiffSide.LEFT), []);
assert.deepEqual(element._filterThreadElsForLocation(threads, line,
Gerrit.DiffSide.RIGHT), []);
});
test('_filterThreadElsForLocation for line comments', () => {
const line = {beforeNumber: 3, afterNumber: 5};
const l3 = document.createElement('div');
l3.setAttribute('line-num', 3);
l3.setAttribute('comment-side', 'left');
const l5 = document.createElement('div');
l5.setAttribute('line-num', 5);
l5.setAttribute('comment-side', 'left');
const r3 = document.createElement('div');
r3.setAttribute('line-num', 3);
r3.setAttribute('comment-side', 'right');
const r5 = document.createElement('div');
r5.setAttribute('line-num', 5);
r5.setAttribute('comment-side', 'right');
const threadEls = [l3, l5, r3, r5];
assert.deepEqual(element._filterThreadElsForLocation(threadEls, line),
[l3, r5]);
assert.deepEqual(element._filterThreadElsForLocation(threadEls, line,
Gerrit.DiffSide.LEFT), [l3]);
assert.deepEqual(element._filterThreadElsForLocation(threadEls, line,
Gerrit.DiffSide.RIGHT), [r5]);
});
test('_filterThreadElsForLocation for file comments', () => {
const line = {beforeNumber: 'FILE', afterNumber: 'FILE'};
const l = document.createElement('div');
l.setAttribute('comment-side', 'left');
const r = document.createElement('div');
r.setAttribute('comment-side', 'right');
const threadEls = [l, r];
assert.deepEqual(element._filterThreadElsForLocation(threadEls, line),
[l, r]);
assert.deepEqual(element._filterThreadElsForLocation(threadEls, line,
Gerrit.DiffSide.BOTH), [l, r]);
assert.deepEqual(element._filterThreadElsForLocation(threadEls, line,
Gerrit.DiffSide.LEFT), [l]);
assert.deepEqual(element._filterThreadElsForLocation(threadEls, line,
Gerrit.DiffSide.RIGHT), [r]);
});
suite('_translateChunksToIgnore', () => {
let content;

View File

@@ -294,7 +294,6 @@ limitations under the License.
is-image-diff="[[isImageDiff]]"
base-image="[[baseImage]]"
revision-image="[[revisionImage]]">
<slot></slot>
<table
id="diffTable"
class$="[[_diffTableClass]]"

View File

@@ -60,6 +60,20 @@
node.classList.contains('comment-thread');
}
/**
* Turn a slot element into the corresponding content element.
* Slots are only fully supported in Polymer 2 - in Polymer 1, they are
* replaced with content elements during template parsing. This conversion is
* not applied for imperatively created slot elements, so this method
* implements the same behavior as the template parsing for imperative slots.
*/
Gerrit.slotToContent = function(slot) {
const content = document.createElement('content');
content.name = slot.name;
content.setAttribute('select', `[slot='${slot.name}']`);
return content;
};
Polymer({
is: 'gr-diff',
@@ -455,14 +469,16 @@
* Gets or creates a comment thread group for a specific line and side on a
* diff.
* @param {!Object} contentEl
* @param {!Gerrit.DiffSide} commentSide
* @return {!Node}
*/
_getOrCreateThreadGroup(contentEl) {
_getOrCreateThreadGroup(contentEl, commentSide) {
// Check if thread group exists.
let threadGroupEl = this._getThreadGroupForLine(contentEl);
if (!threadGroupEl) {
threadGroupEl = document.createElement('div');
threadGroupEl.className = 'thread-group';
threadGroupEl.setAttribute('data-side', commentSide);
contentEl.appendChild(threadGroupEl);
}
return threadGroupEl;
@@ -624,8 +640,17 @@
lineNumString, commentSide);
const contentText = this.$.diffBuilder.getContentByLineEl(lineEl);
const contentEl = contentText.parentElement;
const threadGroupEl = this._getOrCreateThreadGroup(contentEl);
Polymer.dom(threadGroupEl).appendChild(threadEl);
const threadGroupEl = this._getOrCreateThreadGroup(
contentEl, commentSide);
// Create a slot for the thread and attach it to the thread group.
// The Polyfill has some bugs and this only works if the slot is
// attached to the group after the group is attached to the DOM.
// The thread group may already have a slot with the right name, but
// that is okay because the first matching slot is used and the rest
// are ignored.
const slot = document.createElement('slot');
slot.name = threadEl.slot;
Polymer.dom(threadGroupEl).appendChild(Gerrit.slotToContent(slot));
}
});
},