Merge "Implement diff view context"
This commit is contained in:
Dave Borowitz
Gerrit Code Review
commit
bacc896af3
@ -65,8 +65,23 @@ limitations under the License.
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/* >> character */
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content: '\00BB';
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}
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.filler {
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background: #eee;
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.numbers .filler {
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background-color: #eee;
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}
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.contextControl {
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background-color: #fef;
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}
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.contextControl a:link,
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.contextControl a:visited {
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display: block;
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text-decoration: none;
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}
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.numbers .contextControl {
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padding: 0 .75em;
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text-align: right;
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}
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.content .contextControl {
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text-align: center;
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}
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</style>
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<div class$="[[_computeContainerClass(canComment)]]">
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@ -90,6 +105,12 @@ limitations under the License.
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Polymer({
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is: 'gr-diff-side',
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/**
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* Fired when an expand context control is clicked.
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*
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* @event expand-context
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*/
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properties: {
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canComment: {
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type: Boolean,
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@ -98,7 +119,7 @@ limitations under the License.
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content: {
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type: Array,
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notify: true,
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observer: '_render',
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observer: '_contentChanged',
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},
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width: {
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type: Number,
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@ -143,10 +164,28 @@ limitations under the License.
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window.scrollTo(0, top - (window.innerHeight / 3) - el.offsetHeight);
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},
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renderLineIndexRange: function(startIndex, endIndex) {
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this._render(this.content, startIndex, endIndex);
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},
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hideElementsWithIndex: function(index) {
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var els = Polymer.dom(this.root).querySelectorAll(
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'[data-index="' + index + '"]');
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for (var i = 0; i < els.length; i++) {
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els[i].setAttribute('hidden', true);
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}
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},
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_widthChanged: function(width) {
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this.$.content.style.width = width + 'ch';
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},
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_contentChanged: function(diff) {
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this._clearChildren(this.$.numbers);
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this._clearChildren(this.$.content);
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this._render(diff, 0, diff.length - 1);
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},
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_computeContainerClass: function(canComment) {
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return 'container' + (canComment ? ' canComment' : '');
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},
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@ -157,24 +196,61 @@ limitations under the License.
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}
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},
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_render: function(diff) {
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this._clearChildren(this.$.numbers);
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this._clearChildren(this.$.content);
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for (var i = 0; i < diff.length; i++) {
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_handleContextControlClick: function(context, e) {
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e.preventDefault();
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this.fire('expand-context', {bubbles: false, context: context});
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},
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_render: function(diff, startIndex, endIndex) {
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var beforeLineEl;
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var beforeContentEl;
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if (endIndex != diff.length - 1) {
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beforeLineEl = this.$$('.numbers [data-index="' + endIndex + '"]');
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beforeContentEl = this.$$('.content [data-index="' + endIndex + '"]');
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}
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for (var i = startIndex; i <= endIndex; i++) {
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if (diff[i].hidden) { continue; }
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switch (diff[i].type) {
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case 'CODE':
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this._renderCode(diff[i]);
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this._renderCode(diff[i], i, beforeLineEl, beforeContentEl);
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break;
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case 'FILLER':
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this._renderFiller(diff[i]);
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this._renderFiller(diff[i], i, beforeLineEl, beforeContentEl);
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break;
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case 'CONTEXT_CONTROL':
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this._renderContextControl(diff[i], i, beforeLineEl,
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beforeContentEl);
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break;
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}
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}
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},
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_renderFiller: function(filler) {
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_renderContextControl: function(control, index, beforeLineEl,
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beforeContentEl) {
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var lineEl = this._createElement('div', 'contextControl');
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lineEl.setAttribute('data-index', index);
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lineEl.textContent = '@@';
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var contentEl = this._createElement('div', 'contextControl');
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contentEl.setAttribute('data-index', index);
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var a = this._createElement('a');
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a.href = '#';
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a.textContent = 'Show ' + control.numLines + ' common ' +
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(control.numLines == 1 ? 'line' : 'lines') + '...';
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a.addEventListener('click',
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this._handleContextControlClick.bind(this, control));
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contentEl.appendChild(a);
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this.$.numbers.insertBefore(lineEl, beforeLineEl);
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this.$.content.insertBefore(contentEl, beforeContentEl);
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},
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_renderFiller: function(filler, index, beforeLineEl, beforeContentEl) {
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var lineFillerEl = this._createElement('div', 'filler');
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lineFillerEl.setAttribute('data-index', index);
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var fillerEl = this._createElement('div', 'filler');
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fillerEl.setAttribute('data-index', index);
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var numLines = filler.numLines || 1;
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lineFillerEl.textContent = '\n'.repeat(numLines);
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@ -182,18 +258,22 @@ limitations under the License.
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var newlineEl = this._createElement('span', 'br');
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fillerEl.appendChild(newlineEl);
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}
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this.$.numbers.appendChild(lineFillerEl);
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this.$.content.appendChild(fillerEl);
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this.$.numbers.insertBefore(lineFillerEl, beforeLineEl);
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this.$.content.insertBefore(fillerEl, beforeContentEl);
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},
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_renderCode: function(code) {
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_renderCode: function(code, index, beforeLineEl,
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beforeContentEl) {
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var lineNumEl = this._createElement('div', 'lineNum');
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lineNumEl.setAttribute('data-line-num', code.lineNum);
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lineNumEl.setAttribute('data-index', index);
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var numLines = code.numLines || 1;
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lineNumEl.textContent = code.lineNum + '\n'.repeat(numLines);
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var contentEl = this._createElement('div', 'code');
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contentEl.setAttribute('data-line-num', code.lineNum);
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contentEl.setAttribute('data-index', index);
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if (code.highlight) {
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contentEl.classList.add(code.intraline.length > 0 ?
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@ -218,8 +298,8 @@ limitations under the License.
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contentEl.innerHTML = html;
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}
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this.$.numbers.appendChild(lineNumEl);
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this.$.content.appendChild(contentEl);
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this.$.numbers.insertBefore(lineNumEl, beforeLineEl);
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this.$.content.insertBefore(contentEl, beforeContentEl);
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},
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// Advance `index` by the appropriate number of characters that would
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@ -321,7 +401,10 @@ limitations under the License.
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// Since the Polymer DOM utility functions (which would do this
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// automatically) are not being used for performance reasons, this is
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// done manually.
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el.classList.add('style-scope', 'gr-diff-side', className);
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el.classList.add('style-scope', 'gr-diff-side');
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if (!!className) {
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el.classList.add(className);
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}
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return el;
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},
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});
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@ -23,9 +23,14 @@ limitations under the License.
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<dom-module id="gr-diff">
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<template>
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<style>
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gr-patch-range-select {
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.header {
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display: flex;
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margin: 0 var(--default-horizontal-margin) .75em;
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}
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.contextControl {
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flex: 1;
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text-align: right;
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}
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.diffContainer {
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border-bottom: 1px solid #eee;
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border-top: 1px solid #eee;
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@ -35,12 +40,12 @@ limitations under the License.
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white-space: pre;
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}
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gr-diff-side:first-of-type {
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--light-highlight-color: #ffecec;
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--dark-highlight-color: #faa;
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--light-highlight-color: #fee;
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--dark-highlight-color: #ffd4d4;
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}
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gr-diff-side:last-of-type {
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--light-highlight-color: #eaffea;
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--dark-highlight-color: #9f9;
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--light-highlight-color: #efe;
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--dark-highlight-color: #d4ffd4;
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border-right: 1px solid #ddd;
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}
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</style>
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@ -57,20 +62,37 @@ limitations under the License.
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<gr-ajax id="draftsXHR"
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url="[[_computeDraftsPath(changeNum, patchRange.patchNum)]]"></gr-ajax>
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<div class="header">
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<gr-patch-range-select
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path="[[path]]"
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change-num="[[changeNum]]"
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patch-range="[[patchRange]]"
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available-patches="[[availablePatches]]"></gr-patch-range-select>
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<div class="contextControl">
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Context:
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<select id="contextSelect" on-change="_handleContextSelectChange">
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<option value="3">3 lines</option>
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<option value="10">10 lines</option>
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<option value="25">25 lines</option>
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<option value="50">50 lines</option>
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<option value="75">75 lines</option>
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<option value="100">100 lines</option>
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<option value="ALL">Whole file</option>
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</select>
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</div>
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</div>
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<div class="diffContainer">
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<gr-diff-side id="leftDiff"
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content="{{_diff.leftSide}}"
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width="[[sideWidth]]"
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can-comment="[[_loggedIn]]"></gr-diff-side>
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can-comment="[[_loggedIn]]"
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on-expand-context="_handleExpandContext"></gr-diff-side>
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<gr-diff-side id="rightDiff"
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content="{{_diff.rightSide}}"
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width="[[sideWidth]]"
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can-comment="[[_loggedIn]]"></gr-diff-side>
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can-comment="[[_loggedIn]]"
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on-expand-context="_handleExpandContext"></gr-diff-side>
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</div>
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</template>
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<script>
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@ -105,6 +127,11 @@ limitations under the License.
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value: 80,
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},
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_comments: Array,
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_context: {
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type: Number,
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value: 10,
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observer: '_contextChanged',
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},
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_baseComments: Array,
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_drafts: Array,
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_baseDrafts: Array,
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@ -135,6 +162,14 @@ limitations under the License.
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this.$.rightDiff.scrollToLine(lineNum);
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},
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_contextChanged: function(context) {
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if (context == Infinity) {
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this.$.contextSelect.value = 'ALL';
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} else {
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this.$.contextSelect.value = context;
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}
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},
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_diffOptionsChanged: function(changeNum, patchRange, path) {
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if (!this.auto) { return; }
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@ -146,7 +181,7 @@ limitations under the License.
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app.accountReady.then(function() {
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promises.push(this._getCommentsAndDrafts(basePatchNum, app.loggedIn));
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this._diffRequestsPromise = Promise.all(promises).then(function() {
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this._allDataReceived();
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this._render();
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}.bind(this)).catch(function(err) {
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alert('Oops. Something went wrong. Check the console and bug the ' +
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'PolyGerrit team for assistance.');
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@ -155,7 +190,7 @@ limitations under the License.
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}.bind(this));
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},
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_allDataReceived: function() {
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_render: function() {
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this._processContent();
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// Allow for the initial rendering to complete before firing the event.
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@ -238,11 +273,43 @@ limitations under the License.
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return params;
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},
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_handleContextSelectChange: function(e) {
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if (e.target.value == 'ALL') {
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this._context = Infinity;
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} else {
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this._context = parseInt(e.target.value, 10);
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}
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this._render();
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},
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_handleExpandContext: function(e) {
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var ctx = e.detail.context;
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var contextControlIndex = -1;
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for (var i = ctx.start; i <= ctx.end; i++) {
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this._diff.leftSide[i].hidden = false;
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this._diff.rightSide[i].hidden = false;
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if (this._diff.leftSide[i].type == 'CONTEXT_CONTROL' &&
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this._diff.rightSide[i].type == 'CONTEXT_CONTROL') {
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contextControlIndex = i;
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}
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}
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this._diff.leftSide[contextControlIndex].hidden = true;
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this._diff.rightSide[contextControlIndex].hidden = true;
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this.$.leftDiff.hideElementsWithIndex(contextControlIndex);
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this.$.rightDiff.hideElementsWithIndex(contextControlIndex);
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this.$.leftDiff.renderLineIndexRange(ctx.start, ctx.end);
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this.$.rightDiff.renderLineIndexRange(ctx.start, ctx.end);
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},
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_processContent: function() {
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var leftSide = [];
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var rightSide = [];
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var initialLineNum = 0 + (this._diffResponse.content.skip || 0);
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var ctx = {
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hidingLines: false,
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lastNumLinesHidden: 0,
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left: {
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lineNum: initialLineNum,
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},
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@ -250,9 +317,17 @@ limitations under the License.
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lineNum: initialLineNum,
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}
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};
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for (var i = 0; i < this._diffResponse.content.length; i++) {
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this._addDiffChunk(ctx, this._diffResponse.content[i], leftSide,
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rightSide);
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var content = this._diffResponse.content;
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for (var i = 0; i < content.length; i++) {
|
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if (i == 0) {
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ctx.skipRange = [0, this._context];
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} else if (i == content.length - 1) {
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ctx.skipRange = [this._context, 0];
|
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} else {
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ctx.skipRange = [this._context, this._context];
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}
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ctx.diffChunkIndex = i;
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this._addDiffChunk(ctx, content[i], leftSide, rightSide);
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||||
}
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this._diff = {
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leftSide: leftSide,
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@ -260,24 +335,71 @@ limitations under the License.
|
||||
};
|
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},
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_addDiffChunk: function(ctx, chunk, leftSide, rightSide) {
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if (chunk.ab) {
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_addContextControl: function(ctx, leftSide, rightSide) {
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var numLinesHidden = ctx.lastNumLinesHidden;
|
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var leftStart = leftSide.length - numLinesHidden;
|
||||
var leftEnd = leftSide.length;
|
||||
var rightStart = rightSide.length - numLinesHidden;
|
||||
var rightEnd = rightSide.length;
|
||||
if (leftStart != rightStart || leftEnd != rightEnd) {
|
||||
throw Error(
|
||||
'Left and right ranges for context control should be equal:' +
|
||||
'Left: [' + leftStart + ', ' + leftEnd + '] ' +
|
||||
'Right: ['+ rightStart + ', ' + rightEnd + ']');
|
||||
}
|
||||
var obj = {
|
||||
type: 'CONTEXT_CONTROL',
|
||||
numLines: numLinesHidden,
|
||||
start: leftStart,
|
||||
end: leftEnd,
|
||||
};
|
||||
// NOTE: Be careful, here. This object is meant to be immutable. If the
|
||||
// object is altered within one side's array it will reflect the
|
||||
// alterations in another.
|
||||
leftSide.push(obj);
|
||||
rightSide.push(obj);
|
||||
},
|
||||
|
||||
_addCommonDiffChunk: function(ctx, chunk, leftSide, rightSide) {
|
||||
for (var i = 0; i < chunk.ab.length; i++) {
|
||||
var numLines = Math.ceil(chunk.ab[i].length / this.sideWidth);
|
||||
var hidden = i >= ctx.skipRange[0] &&
|
||||
i < chunk.ab.length - ctx.skipRange[1];
|
||||
if (ctx.hidingLines && hidden == false) {
|
||||
// No longer hiding lines. Add a context control.
|
||||
this._addContextControl(ctx, leftSide, rightSide);
|
||||
ctx.lastNumLinesHidden = 0;
|
||||
}
|
||||
ctx.hidingLines = hidden;
|
||||
if (hidden) {
|
||||
ctx.lastNumLinesHidden++;
|
||||
}
|
||||
|
||||
// Blank lines within a diff content array indicate a newline.
|
||||
leftSide.push({
|
||||
type: 'CODE',
|
||||
hidden: hidden,
|
||||
content: chunk.ab[i] || '\n',
|
||||
numLines: numLines,
|
||||
lineNum: ++ctx.left.lineNum,
|
||||
});
|
||||
rightSide.push({
|
||||
type: 'CODE',
|
||||
hidden: hidden,
|
||||
content: chunk.ab[i] || '\n',
|
||||
numLines: numLines,
|
||||
lineNum: ++ctx.right.lineNum,
|
||||
});
|
||||
}
|
||||
if (ctx.lastNumLinesHidden > 0) {
|
||||
this._addContextControl(ctx, leftSide, rightSide);
|
||||
}
|
||||
},
|
||||
|
||||
_addDiffChunk: function(ctx, chunk, leftSide, rightSide) {
|
||||
if (chunk.ab) {
|
||||
this._addCommonDiffChunk(ctx, chunk, leftSide, rightSide);
|
||||
return;
|
||||
}
|
||||
|
||||
var leftHighlights = [];
|
||||
|
||||
@ -65,7 +65,7 @@ limitations under the License.
|
||||
intraline: [],
|
||||
});
|
||||
}
|
||||
element._render(content);
|
||||
element.content = content;
|
||||
|
||||
window.scrollTo(0, 0);
|
||||
element.scrollToLine(-12849);
|
||||
@ -113,7 +113,7 @@ limitations under the License.
|
||||
highlight: false,
|
||||
intraline: [],
|
||||
}];
|
||||
element._render(content);
|
||||
element.content = content;
|
||||
|
||||
var lineEl = element.$$('.numbers .lineNum[data-line-num="1"]');
|
||||
assert.ok(lineEl);
|
||||
@ -129,7 +129,7 @@ limitations under the License.
|
||||
highlight: false,
|
||||
intraline: [],
|
||||
}];
|
||||
element._render(content);
|
||||
element.content = content;
|
||||
|
||||
lineEl = element.$$('.numbers .lineNum[data-line-num="1"]');
|
||||
assert.ok(lineEl);
|
||||
@ -140,5 +140,48 @@ limitations under the License.
|
||||
'A'.repeat(20) + element._lineFeedHTML);
|
||||
|
||||
});
|
||||
|
||||
test('diff context', function() {
|
||||
var content = [
|
||||
{type: 'CODE', hidden: true, content: '<!DOCTYPE html>'},
|
||||
{type: 'CODE', hidden: true, content: '<meta charset="utf-8">'},
|
||||
{type: 'CODE', hidden: true, content: '<title>My great page</title>'},
|
||||
{type: 'CODE', hidden: true, content: '<style>'},
|
||||
{type: 'CODE', hidden: true, content: ' *,'},
|
||||
{type: 'CODE', hidden: true, content: ' *:before,'},
|
||||
{type: 'CODE', hidden: true, content: ' *:after {'},
|
||||
{type: 'CODE', hidden: true, content: ' box-sizing: border-box;'},
|
||||
{type: 'CONTEXT_CONTROL', numLines: 8, start: 0, end: 8},
|
||||
{type: 'CODE', hidden: false, content: ' }'},
|
||||
];
|
||||
element.content = content;
|
||||
|
||||
// Only the context elements and the following code line elements should
|
||||
// be present in the DOM.
|
||||
var contextEls =
|
||||
Polymer.dom(element.root).querySelectorAll('.contextControl');
|
||||
assert.equal(contextEls.length, 2);
|
||||
var codeLineEls =
|
||||
Polymer.dom(element.root).querySelectorAll('.lineNum, .code');
|
||||
assert.equal(codeLineEls.length, 2);
|
||||
|
||||
for (var i = 0; i <= 8; i++) {
|
||||
element.content[i].hidden = false;
|
||||
}
|
||||
element.renderLineIndexRange(0, 8);
|
||||
element.hideElementsWithIndex(8);
|
||||
|
||||
contextEls =
|
||||
Polymer.dom(element.root).querySelectorAll('.contextControl');
|
||||
for (var i = 0; i < contextEls.length; i++) {
|
||||
assert.isTrue(contextEls[i].hasAttribute('hidden'));
|
||||
}
|
||||
|
||||
codeLineEls =
|
||||
Polymer.dom(element.root).querySelectorAll('.lineNum, .code');
|
||||
|
||||
// Nine lines should now be present in the DOM.
|
||||
assert.equal(codeLineEls.length, 9 * 2);
|
||||
});
|
||||
});
|
||||
</script>
|
||||
|
||||
@ -264,5 +264,81 @@ limitations under the License.
|
||||
}
|
||||
]);
|
||||
});
|
||||
|
||||
test('context', function() {
|
||||
element._context = 3;
|
||||
element._diffResponse = {
|
||||
content: [
|
||||
{
|
||||
ab: [
|
||||
'<!DOCTYPE html>',
|
||||
'<meta charset="utf-8">',
|
||||
'<title>My great page</title>',
|
||||
'<style>',
|
||||
' *,',
|
||||
' *:before,',
|
||||
' *:after {',
|
||||
' box-sizing: border-box;',
|
||||
' }',
|
||||
'</style>',
|
||||
'<header>',
|
||||
]
|
||||
},
|
||||
{
|
||||
a: [
|
||||
' Welcome ',
|
||||
' to the wooorld of tomorrow!',
|
||||
],
|
||||
b: [
|
||||
' Hello, world!',
|
||||
],
|
||||
},
|
||||
{
|
||||
ab: [
|
||||
'</header>',
|
||||
'<body>',
|
||||
'Leela: This is the only place the ship can’t hear us, so ',
|
||||
'everyone pretend to shower.',
|
||||
'Fry: Same as every day. Got it.',
|
||||
]
|
||||
},
|
||||
]
|
||||
};
|
||||
element._processContent();
|
||||
|
||||
// First eight lines should be hidden on both sides.
|
||||
for (var i = 0; i < 8; i++) {
|
||||
assert.isTrue(element._diff.leftSide[i].hidden);
|
||||
assert.isTrue(element._diff.rightSide[i].hidden);
|
||||
}
|
||||
// A context control should be at index 8 on both sides.
|
||||
var leftContext = element._diff.leftSide[8];
|
||||
var rightContext = element._diff.rightSide[8];
|
||||
assert.deepEqual(leftContext, rightContext);
|
||||
assert.equal(leftContext.numLines, 8);
|
||||
assert.equal(leftContext.start, 0);
|
||||
assert.equal(leftContext.end, 8);
|
||||
|
||||
// Line indices 9-16 should be shown.
|
||||
for (var i = 9; i <= 16; i++) {
|
||||
// notOk (falsy) because the `hidden` attribute may not be present.
|
||||
assert.notOk(element._diff.leftSide[i].hidden);
|
||||
assert.notOk(element._diff.rightSide[i].hidden);
|
||||
}
|
||||
|
||||
// Lines at indices 17 and 18 should be hidden.
|
||||
assert.isTrue(element._diff.leftSide[17].hidden);
|
||||
assert.isTrue(element._diff.rightSide[17].hidden);
|
||||
assert.isTrue(element._diff.leftSide[18].hidden);
|
||||
assert.isTrue(element._diff.rightSide[18].hidden);
|
||||
|
||||
// Context control at index 19.
|
||||
leftContext = element._diff.leftSide[19];
|
||||
rightContext = element._diff.rightSide[19];
|
||||
assert.deepEqual(leftContext, rightContext);
|
||||
assert.equal(leftContext.numLines, 2);
|
||||
assert.equal(leftContext.start, 17);
|
||||
assert.equal(leftContext.end, 19);
|
||||
});
|
||||
});
|
||||
</script>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user