Merge pull request #2901 from hswolff/tag-editor
Implement the Tag Editor view
This commit is contained in:
Hannah Wolfe
commit
fc631665ed
@ -1,16 +1,7 @@
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<footer id="publish-bar">
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<nav>
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<section id="entry-tags" href="#" class="left">
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<label class="tag-label" for="tags" title="Tags"><span class="hidden">Tags</span></label>
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<div class="tags">
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{{#each tags}}
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<span class="tag">{{name}}</span>
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{{/each}}
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</div>
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<input type="hidden" class="tags-holder" id="tags-holder">
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<input class="tag-input" id="tags" type="text" data-input-behaviour="tag" />
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<ul class="suggestions overlay"></ul>
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</section>
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{{view "editor-tags" tagName="section" id="entry-tags" class="left"}}
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<div class="right">
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<section id="entry-controls">
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9
core/client/templates/editor-tags.hbs
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9
core/client/templates/editor-tags.hbs
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@ -0,0 +1,9 @@
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<label class="tag-label" for="tags" title="Tags"><span class="hidden">Tags</span></label>
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<div class="tags">
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{{#each tags}}
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<span class="tag" {{action 'tagClick' this target="view"}}>{{name}}</span>
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{{/each}}
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</div>
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<input type="hidden" class="tags-holder" id="tags-holder">
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{{input type="text" id="tags" class="tag-input" value=view.input}}
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<ul class="suggestions overlay" {{bind-attr style=view.overlayStyle}}></ul>
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243
core/client/views/editor-tags.js
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243
core/client/views/editor-tags.js
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var EditorTags = Ember.View.extend({
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templateName: 'editor-tags',
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didInsertElement: function () {
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// Cache elements for later use
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this.$input = this.$('#tags');
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this.$suggestions = this.$('ul.suggestions');
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},
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willDestroyElement: function () {
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// Release ownership of the object for proper GC
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this.$input = null;
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this.$suggestions = null;
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},
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keys: {
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UP: 38,
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DOWN: 40,
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ESC: 27,
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ENTER: 13,
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BACKSPACE: 8
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},
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overlay: {
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visible: false,
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left: 0
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},
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overlayStyle: function () {
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var styles = [];
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styles.push(this.get('overlay.visible') ?
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'display: block' :
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'display: none'
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);
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styles.push(this.get('overlay.left') ?
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'left: ' + this.get('overlay.left') + 'px' :
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'left: 0'
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);
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return styles.join(';');
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}.property('overlay.visible'),
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showSuggestions: function (_searchTerm) {
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var searchTerm = _searchTerm.toLowerCase(),
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matchingTags = this.findMatchingTags(searchTerm),
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// Limit the suggestions number
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maxSuggestions = 5,
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// Escape regex special characters
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escapedTerm = searchTerm.replace(/[\-\/\\\^$*+?.()|\[\]{}]/g, '\\$&'),
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regexTerm = escapedTerm.replace(/(\s+)/g, '(<[^>]+>)*$1(<[^>]+>)*'),
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regexPattern = new RegExp('(' + regexTerm + ')', 'i'),
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highlightedNameRegex;
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this.set('overlay.left', this.$input.position().left);
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this.$suggestions.html('');
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window.b = matchingTags;
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matchingTags = matchingTags.slice(0, maxSuggestions);
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if (matchingTags.length > 0) {
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this.set('overlay.visible', true);
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}
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highlightedNameRegex = /(<mark>[^<>]*)((<[^>]+>)+)([^<>]*<\/mark>)/;
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matchingTags.forEach(function (matchingTag) {
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var highlightedName,
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suggestionHTML;
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highlightedName = matchingTag.get('name').replace(regexPattern, function (match, p1) {
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return '<mark>' + encodeURIComponent(p1) + '</mark>';
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});
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/*jslint regexp: true */ // - would like to remove this
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highlightedName = highlightedName.replace(highlightedNameRegex, function (match, p1, p2, p3, p4) {
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return encodeURIComponent(p1) + '</mark>' + encodeURIComponent(p2) + '<mark>' + encodeURIComponent(p4);
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});
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suggestionHTML = '<li data-tag-id="' + matchingTag.get('id') +
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'" data-tag-name="' + encodeURIComponent(matchingTag.get('name')) +
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'"><a href="#">' + highlightedName + '</a></li>';
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this.$suggestions.append(suggestionHTML);
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}, this);
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},
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findMatchingTags: function (searchTerm) {
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var matchingTagModels,
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self = this,
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allTags = this.get('controller.store').all('tag');
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if (allTags.get('length') === 0) {
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return [];
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}
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searchTerm = searchTerm.toUpperCase();
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matchingTagModels = allTags.filter(function (tag) {
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var tagNameMatches,
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hasAlreadyBeenAdded;
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tagNameMatches = tag.get('name').toUpperCase().indexOf(searchTerm) !== -1;
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hasAlreadyBeenAdded = self.hasTagBeenAdded(tag.name);
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return tagNameMatches && !hasAlreadyBeenAdded;
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});
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return matchingTagModels;
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},
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keyDown: function (e) {
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var lastTagIndex;
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// Delete character tiggers on Keydown, so needed to check on that event rather than Keyup.
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if (e.keyCode === this.keys.BACKSPACE && !this.get('input')) {
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lastTagIndex = this.get('controller.model.tags').get('length') - 1;
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if (lastTagIndex > -1) {
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this.get('controller.model.tags').removeAt(lastTagIndex);
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}
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}
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},
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keyUp: function (e) {
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var searchTerm = $.trim(this.get('input'));
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if (e.keyCode === this.keys.UP) {
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e.preventDefault();
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if (this.get('overlay.visible')) {
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if (this.$suggestions.children('.selected').length === 0) {
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this.$suggestions.find('li:last-child').addClass('selected');
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} else {
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this.$suggestions.children('.selected').removeClass('selected').prev().addClass('selected');
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}
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}
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} else if (e.keyCode === this.keys.DOWN) {
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e.preventDefault();
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if (this.get('overlay.visible')) {
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if (this.$suggestions.children('.selected').length === 0) {
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this.$suggestions.find('li:first-child').addClass('selected');
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} else {
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this.$suggestions.children('.selected').removeClass('selected').next().addClass('selected');
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}
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}
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} else if (e.keyCode === this.keys.ESC) {
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this.set('overlay.visible', false);
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} else {
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if (searchTerm) {
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this.showSuggestions(searchTerm);
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} else {
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this.set('overlay.visible', false);
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}
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}
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if (e.keyCode === this.keys.UP || e.keyCode === this.keys.DOWN) {
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return false;
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}
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},
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keyPress: function (e) {
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var searchTerm = $.trim(this.get('input')),
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tag,
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$selectedSuggestion,
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isComma = ','.localeCompare(String.fromCharCode(e.keyCode || e.charCode)) === 0,
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hasAlreadyBeenAdded;
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// use localeCompare in case of international keyboard layout
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if ((e.keyCode === this.keys.ENTER || isComma) && searchTerm) {
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// Submit tag using enter or comma key
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e.preventDefault();
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$selectedSuggestion = this.$suggestions.children('.selected');
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if (this.get('overlay.visible') && $selectedSuggestion.length !== 0) {
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tag = {
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id: $selectedSuggestion.data('tag-id'),
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name: decodeURIComponent($selectedSuggestion.data('tag-name'))
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};
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hasAlreadyBeenAdded = this.hasTagBeenAdded(tag.name);
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if (!hasAlreadyBeenAdded) {
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this.addTag(tag);
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}
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} else {
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if (isComma) {
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// Remove comma from string if comma is used to submit.
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searchTerm = searchTerm.replace(/,/g, '');
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}
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hasAlreadyBeenAdded = this.hasTagBeenAdded(searchTerm);
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if (!hasAlreadyBeenAdded) {
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this.addTag({id: null, name: searchTerm});
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}
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}
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this.set('input', '');
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this.$input.focus();
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this.set('overlay.visible', false);
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}
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},
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addTag: function (tag) {
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var allTags = this.get('controller.store').all('tag'),
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newTag = allTags.findBy('name', tag.name);
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if (!newTag) {
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newTag = this.get('controller.store').createRecord('tag', tag);
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}
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this.get('controller.model.tags').addObject(newTag);
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// Wait till Ember render's the new tag to access its dom element.
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Ember.run.schedule('afterRender', this, function () {
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this.$('.tag').last()[0].scrollIntoView(true);
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window.scrollTo(0, 1);
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this.set('input', '');
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this.$input.focus();
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this.set('overlay.visible', false);
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});
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},
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hasTagBeenAdded: function (tagName) {
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if (!tagName) {
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return false;
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}
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return this.get('controller.model.tags').filter(function (usedTag) {
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return usedTag.get('name').toUpperCase() === tagName.toUpperCase();
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}).length > 0;
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},
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actions: {
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tagClick: function (tag) {
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this.get('controller.model.tags').removeObject(tag);
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window.scrollTo(0, 1);
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},
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}
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});
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export default EditorTags;
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