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Merge pull request #23 from bustlelabs/markers
Post, Section, Markers
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,8 @@ | ||
| export const IMAGE_SECTION_TYPE = 'image-section'; | ||
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| export default class Image { | ||
| constructor() { | ||
| this.type = 'imageSection'; | ||
| this.type = IMAGE_SECTION_TYPE; | ||
| this.src = null; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| export const MARKER_TYPE = 'marker'; | ||
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| import { detect } from 'content-kit-editor/utils/array-utils'; | ||
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| const Marker = class Marker { | ||
| constructor(value='', markups=[]) { | ||
| this.value = value; | ||
| this.markups = []; | ||
| this.type = MARKER_TYPE; | ||
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| if (markups && markups.length) { | ||
| markups.forEach(m => this.addMarkup(m)); | ||
| } | ||
| } | ||
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| get length() { | ||
| return this.value.length; | ||
| } | ||
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| truncateFrom(offset) { | ||
| this.value = this.value.substr(0, offset); | ||
| } | ||
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| truncateTo(offset) { | ||
| this.value = this.value.substr(offset); | ||
| } | ||
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| addMarkup(markup) { | ||
| this.markups.push(markup); | ||
| } | ||
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| hasMarkup(tagName) { | ||
| tagName = tagName.toLowerCase(); | ||
| return detect(this.markups, markup => markup.tagName === tagName); | ||
| } | ||
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| getMarkup(tagName) { | ||
| return this.hasMarkup(tagName); | ||
| } | ||
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| join(other) { | ||
| const joined = new Marker(this.value + other.value); | ||
| this.markups.forEach(m => joined.addMarkup(m)); | ||
| other.markups.forEach(m => joined.addMarkup(m)); | ||
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| return joined; | ||
| } | ||
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| split(offset) { | ||
| const [m1, m2] = [ | ||
| new Marker(this.value.substr(0, offset)), | ||
| new Marker(this.value.substr(offset)) | ||
| ]; | ||
| this.markups.forEach(m => {m1.addMarkup(m); m2.addMarkup(m);}); | ||
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| return [m1, m2]; | ||
| } | ||
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| get openedMarkups() { | ||
| if (!this.previousSibling) { | ||
| return this.markups.slice(); | ||
| } | ||
| let i; | ||
| for (i=0; i<this.markups.length; i++) { | ||
| if (this.markups[i] !== this.previousSibling.markups[i]) { | ||
| return this.markups.slice(i); | ||
| } | ||
| } | ||
| return []; | ||
| } | ||
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| get closedMarkups() { | ||
| if (!this.nextSibling) { | ||
| return this.markups.slice(); | ||
| } | ||
| let i; | ||
| for (i=0; i<this.markups.length; i++) { | ||
| if (this.markups[i] !== this.nextSibling.markups[i]) { | ||
| return this.markups.slice(i); | ||
| } | ||
| } | ||
| return []; | ||
| } | ||
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| // FIXME this should be implemented as a linked list | ||
| get nextSibling() { | ||
| let index = this.section.markers.indexOf(this); | ||
| if (index > -1 && index < this.section.markers.length-1) { | ||
| return this.section.markers[index + 1]; | ||
| } | ||
| } | ||
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| get previousSibling() { | ||
| let index = this.section.markers.indexOf(this); | ||
| if (index > 0) { | ||
| return this.section.markers[index - 1]; | ||
| } | ||
| } | ||
| }; | ||
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| export default Marker; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| export const DEFAULT_TAG_NAME = 'p'; | ||
| export const VALID_MARKUP_SECTION_TAGNAMES = [ | ||
| 'p', 'h3', 'h2', 'h1', 'blockquote', 'ul', 'ol' | ||
| ]; | ||
| export const MARKUP_SECTION_TYPE = 'markup-section'; | ||
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| export default class Section { | ||
| constructor(tagName, markers=[]) { | ||
| this.markers = []; | ||
| this.tagName = tagName || DEFAULT_TAG_NAME; | ||
| this.type = MARKUP_SECTION_TYPE; | ||
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| markers.forEach(m => this.appendMarker(m)); | ||
| } | ||
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| appendMarker(marker) { | ||
| marker.section = this; | ||
| this.markers.push(marker); | ||
| } | ||
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| /** | ||
| * @return {Array} 2 new sections | ||
| */ | ||
| split(offset) { | ||
| let left = [], right = [], middle; | ||
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| middle = this.markerContaining(offset); | ||
| const middleIndex = this.markers.indexOf(middle); | ||
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| for (let i=0; i<this.markers.length; i++) { | ||
| if (i < middleIndex) { left.push(this.markers[i]); } | ||
| if (i > middleIndex) { right.push(this.markers[i]); } | ||
| } | ||
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| let leftLength = left.reduce((prev, cur) => prev + cur.length, 0); | ||
| let middleOffset = offset - leftLength; | ||
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| let [leftMiddle, rightMiddle] = middle.split(middleOffset); | ||
| left.push(leftMiddle); | ||
| right.push(rightMiddle); | ||
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| return [ | ||
| new this.constructor(this.tagName, left), | ||
| new this.constructor(this.tagName, right) | ||
| ]; | ||
| } | ||
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| /** | ||
| * A marker contains this offset if: | ||
| * * The offset is between the marker's start and end | ||
| * * it is the first marker and the offset is 0 | ||
| * * it is the last marker and the offset is >= total length of all the markers | ||
| * * the offset is between two markers and it is the left marker (right-inclusive) | ||
| * | ||
| * @return {Marker} The marker that contains this offset | ||
| */ | ||
| markerContaining(offset) { | ||
| var length=0, i=0; | ||
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| if (offset === 0) { return this.markers[0]; } | ||
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| while (length < offset && i < this.markers.length) { | ||
| length += this.markers[i].length; | ||
| i++; | ||
| } | ||
| return this.markers[i-1]; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| export const MARKUP_TYPE = 'markup'; | ||
| export const VALID_MARKUP_TAGNAMES = [ | ||
| 'b', | ||
| 'i', | ||
| 'strong', | ||
| 'em', | ||
| 'a', | ||
| 'li' | ||
| ]; | ||
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| export default class Markup { | ||
| constructor(tagName, attributes=[]) { | ||
| this.tagName = tagName.toLowerCase(); | ||
| this.attributes = attributes; | ||
| this.type = MARKUP_TYPE; | ||
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| if (VALID_MARKUP_TAGNAMES.indexOf(this.tagName) === -1) { | ||
| throw new Error(`Cannot create markup of tagName ${tagName}`); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,19 @@ | ||
| import Post from 'content-kit-editor/models/post'; | ||
| import SectionParser from 'content-kit-editor/parsers/section'; | ||
| import { forEach } from 'content-kit-editor/utils/array-utils'; | ||
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| export default { | ||
| parse(element) { | ||
| const post = new Post(); | ||
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| forEach(element.childNodes, child => { | ||
| post.appendSection(SectionParser.parse(child)); | ||
| }); | ||
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| return post; | ||
| }, | ||
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| parseSection(element) { | ||
| return SectionParser.parse(element); | ||
| } | ||
| }; |
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