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@@ -0,0 +1,503 @@
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+(function ($) {
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+ "use strict";
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+
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+ var defaultOptions = {
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+ tagClass: function(item) {
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+ return 'label label-info';
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+ },
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+ itemValue: function(item) {
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+ return item ? item.toString() : item;
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+ },
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+ itemText: function(item) {
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+ return this.itemValue(item);
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+ },
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+ freeInput: true,
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+ maxTags: undefined,
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+ confirmKeys: [13],
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+ onTagExists: function(item, $tag) {
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+ $tag.hide().fadeIn();
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+ }
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+ };
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+
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+ /**
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+ * Constructor function
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+ */
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+ function TagsInput(element, options) {
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+ this.itemsArray = [];
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+
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+ this.$element = $(element);
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+ this.$element.hide();
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+
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+ this.isSelect = (element.tagName === 'SELECT');
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+ this.multiple = (this.isSelect && element.hasAttribute('multiple'));
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+ this.objectItems = options && options.itemValue;
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+ this.placeholderText = element.hasAttribute('placeholder') ? this.$element.attr('placeholder') : '';
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+ this.inputSize = Math.max(1, this.placeholderText.length);
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+
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+ this.$container = $('<div class="bootstrap-tagsinput"></div>');
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+ this.$input = $('<input size="' + this.inputSize + '" type="text" placeholder="' + this.placeholderText + '"/>').appendTo(this.$container);
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+
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+ this.$element.after(this.$container);
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+
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+ this.build(options);
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+ }
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+
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+ TagsInput.prototype = {
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+ constructor: TagsInput,
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+
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+ /**
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+ * Adds the given item as a new tag. Pass true to dontPushVal to prevent
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+ * updating the elements val()
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+ */
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+ add: function(item, dontPushVal) {
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+ var self = this;
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+
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+ if (self.options.maxTags && self.itemsArray.length >= self.options.maxTags)
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+ return;
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+
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+ // Ignore falsey values, except false
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+ if (item !== false && !item)
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+ return;
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+
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+ // Throw an error when trying to add an object while the itemValue option was not set
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+ if (typeof item === "object" && !self.objectItems)
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+ throw("Can't add objects when itemValue option is not set");
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+
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+ // Ignore strings only containg whitespace
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+ if (item.toString().match(/^\s*$/))
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+ return;
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+
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+ // If SELECT but not multiple, remove current tag
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+ if (self.isSelect && !self.multiple && self.itemsArray.length > 0)
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+ self.remove(self.itemsArray[0]);
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+
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+ if (typeof item === "string" && this.$element[0].tagName === 'INPUT') {
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+ var items = item.split(',');
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+ if (items.length > 1) {
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+ for (var i = 0; i < items.length; i++) {
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+ this.add(items[i], true);
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+ }
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+
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+ if (!dontPushVal)
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+ self.pushVal();
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+ return;
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+ }
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+ }
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+
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+ var itemValue = self.options.itemValue(item),
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+ itemText = self.options.itemText(item),
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+ tagClass = self.options.tagClass(item);
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+
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+ // Ignore items allready added
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+ var existing = $.grep(self.itemsArray, function(item) { return self.options.itemValue(item) === itemValue; } )[0];
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+ if (existing) {
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+ // Invoke onTagExists
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+ if (self.options.onTagExists) {
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+ var $existingTag = $(".tag", self.$container).filter(function() { return $(this).data("item") === existing; });
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+ self.options.onTagExists(item, $existingTag);
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+ }
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+ return;
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+ }
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+
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+ // register item in internal array and map
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+ self.itemsArray.push(item);
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+
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+ // add a tag element
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+ var $tag = $('<span class="tag ' + htmlEncode(tagClass) + '">' + htmlEncode(itemText) + '<span data-role="remove"></span></span>');
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+ $tag.data('item', item);
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+ self.findInputWrapper().before($tag);
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+ $tag.after(' ');
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+
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+ // add <option /> if item represents a value not present in one of the <select />'s options
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+ if (self.isSelect && !$('option[value="' + escape(itemValue) + '"]',self.$element)[0]) {
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+ var $option = $('<option selected>' + htmlEncode(itemText) + '</option>');
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+ $option.data('item', item);
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+ $option.attr('value', itemValue);
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+ self.$element.append($option);
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+ }
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+
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+ if (!dontPushVal)
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+ self.pushVal();
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+
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+ // Add class when reached maxTags
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+ if (self.options.maxTags === self.itemsArray.length)
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+ self.$container.addClass('bootstrap-tagsinput-max');
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+
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+ self.$element.trigger($.Event('itemAdded', { item: item }));
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+ },
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+
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+ /**
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+ * Removes the given item. Pass true to dontPushVal to prevent updating the
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+ * elements val()
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+ */
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+ remove: function(item, dontPushVal) {
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+ var self = this;
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+
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+ if (self.objectItems) {
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+ if (typeof item === "object")
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+ item = $.grep(self.itemsArray, function(other) { return self.options.itemValue(other) == self.options.itemValue(item); } )[0];
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+ else
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+ item = $.grep(self.itemsArray, function(other) { return self.options.itemValue(other) == item; } )[0];
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+ }
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+
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+ if (item) {
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+ $('.tag', self.$container).filter(function() { return $(this).data('item') === item; }).remove();
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+ $('option', self.$element).filter(function() { return $(this).data('item') === item; }).remove();
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+ self.itemsArray.splice($.inArray(item, self.itemsArray), 1);
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+ }
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+
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+ if (!dontPushVal)
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+ self.pushVal();
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+
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+ // Remove class when reached maxTags
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+ if (self.options.maxTags > self.itemsArray.length)
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+ self.$container.removeClass('bootstrap-tagsinput-max');
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+
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+ self.$element.trigger($.Event('itemRemoved', { item: item }));
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+ },
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+
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+ /**
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+ * Removes all items
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+ */
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+ removeAll: function() {
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+ var self = this;
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+
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+ $('.tag', self.$container).remove();
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+ $('option', self.$element).remove();
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+
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+ while(self.itemsArray.length > 0)
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+ self.itemsArray.pop();
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+
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+ self.pushVal();
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+
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+ if (self.options.maxTags && !this.isEnabled())
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+ this.enable();
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+ },
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+
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+ /**
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+ * Refreshes the tags so they match the text/value of their corresponding
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+ * item.
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+ */
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+ refresh: function() {
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+ var self = this;
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+ $('.tag', self.$container).each(function() {
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+ var $tag = $(this),
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+ item = $tag.data('item'),
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+ itemValue = self.options.itemValue(item),
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+ itemText = self.options.itemText(item),
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+ tagClass = self.options.tagClass(item);
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+
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+ // Update tag's class and inner text
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+ $tag.attr('class', null);
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+ $tag.addClass('tag ' + htmlEncode(tagClass));
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+ $tag.contents().filter(function() {
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+ return this.nodeType == 3;
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+ })[0].nodeValue = htmlEncode(itemText);
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+
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+ if (self.isSelect) {
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+ var option = $('option', self.$element).filter(function() { return $(this).data('item') === item; });
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+ option.attr('value', itemValue);
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+ }
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+ });
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+ },
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+
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+ /**
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+ * Returns the items added as tags
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+ */
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+ items: function() {
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+ return this.itemsArray;
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+ },
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+
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+ /**
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+ * Assembly value by retrieving the value of each item, and set it on the
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+ * element.
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+ */
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+ pushVal: function() {
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+ var self = this,
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+ val = $.map(self.items(), function(item) {
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+ return self.options.itemValue(item).toString();
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+ });
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+
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+ self.$element.val(val, true).trigger('change');
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+ },
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+
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+ /**
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+ * Initializes the tags input behaviour on the element
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+ */
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+ build: function(options) {
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+ var self = this;
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+
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+ self.options = $.extend({}, defaultOptions, options);
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+ var typeahead = self.options.typeahead || {};
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+
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+ // When itemValue is set, freeInput should always be false
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+ if (self.objectItems)
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+ self.options.freeInput = false;
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+
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+ makeOptionItemFunction(self.options, 'itemValue');
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+ makeOptionItemFunction(self.options, 'itemText');
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+ makeOptionItemFunction(self.options, 'tagClass');
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+
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+ // for backwards compatibility, self.options.source is deprecated
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+ if (self.options.source)
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+ typeahead.source = self.options.source;
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+
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+ if (typeahead.source && $.fn.typeahead) {
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+ makeOptionFunction(typeahead, 'source');
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+
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+ self.$input.typeahead({
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+ source: function (query, process) {
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+ function processItems(items) {
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+ var texts = [];
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+
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+ for (var i = 0; i < items.length; i++) {
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+ var text = self.options.itemText(items[i]);
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+ map[text] = items[i];
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+ texts.push(text);
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+ }
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+ process(texts);
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+ }
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+
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+ this.map = {};
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+ var map = this.map,
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+ data = typeahead.source(query);
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+
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+ if ($.isFunction(data.success)) {
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+ // support for Angular promises
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+ data.success(processItems);
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+ } else {
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+ // support for functions and jquery promises
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+ $.when(data)
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+ .then(processItems);
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+ }
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+ },
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+ updater: function (text) {
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+ self.add(this.map[text]);
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+ },
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+ matcher: function (text) {
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+ return (text.toLowerCase().indexOf(this.query.trim().toLowerCase()) !== -1);
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+ },
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+ sorter: function (texts) {
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+ return texts.sort();
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+ },
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+ highlighter: function (text) {
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+ var regex = new RegExp( '(' + this.query + ')', 'gi' );
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+ return text.replace( regex, "<strong>$1</strong>" );
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+ }
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+ });
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+ }
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+
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+ self.$container.on('click', $.proxy(function(event) {
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+ self.$input.focus();
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+ }, self));
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+
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+ self.$container.on('keydown', 'input', $.proxy(function(event) {
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+ var $input = $(event.target),
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+ $inputWrapper = self.findInputWrapper();
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+
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+ switch (event.which) {
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+ // BACKSPACE
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+ case 8:
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+ if (doGetCaretPosition($input[0]) === 0) {
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+ var prev = $inputWrapper.prev();
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+ if (prev) {
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+ self.remove(prev.data('item'));
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+ }
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+ }
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+ break;
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+
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+ // DELETE
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+ case 46:
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+ if (doGetCaretPosition($input[0]) === 0) {
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+ var next = $inputWrapper.next();
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+ if (next) {
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+ self.remove(next.data('item'));
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+ }
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+ }
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+ break;
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+
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+ // LEFT ARROW
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+ case 37:
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+ // Try to move the input before the previous tag
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+ var $prevTag = $inputWrapper.prev();
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+ if ($input.val().length === 0 && $prevTag[0]) {
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+ $prevTag.before($inputWrapper);
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+ $input.focus();
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+ }
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+ break;
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+ // RIGHT ARROW
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+ case 39:
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+ // Try to move the input after the next tag
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+ var $nextTag = $inputWrapper.next();
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+ if ($input.val().length === 0 && $nextTag[0]) {
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+ $nextTag.after($inputWrapper);
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+ $input.focus();
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+ }
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+ break;
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+ default:
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+ // When key corresponds one of the confirmKeys, add current input
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+ // as a new tag
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+ if (self.options.freeInput && $.inArray(event.which, self.options.confirmKeys) >= 0) {
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+ self.add($input.val());
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+ $input.val('');
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+ event.preventDefault();
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+ }
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+ }
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+
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+ // Reset internal input's size
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+ $input.attr('size', Math.max(this.inputSize, $input.val().length));
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+ }, self));
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+
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+ // Remove icon clicked
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+ self.$container.on('click', '[data-role=remove]', $.proxy(function(event) {
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+ self.remove($(event.target).closest('.tag').data('item'));
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+ }, self));
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+
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+ // Only add existing value as tags when using strings as tags
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+ if (self.options.itemValue === defaultOptions.itemValue) {
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+ if (self.$element[0].tagName === 'INPUT') {
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+ self.add(self.$element.val());
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+ } else {
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+ $('option', self.$element).each(function() {
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+ self.add($(this).attr('value'), true);
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+ });
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+ }
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+ }
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+ },
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+
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+ /**
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+ * Removes all tagsinput behaviour and unregsiter all event handlers
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+ */
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+ destroy: function() {
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+ var self = this;
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+
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+ // Unbind events
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+ self.$container.off('keypress', 'input');
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+ self.$container.off('click', '[role=remove]');
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+
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+ self.$container.remove();
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+ self.$element.removeData('tagsinput');
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+ self.$element.show();
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+ },
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+
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+ /**
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+ * Sets focus on the tagsinput
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+ */
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+ focus: function() {
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+ this.$input.focus();
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+ },
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+
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+ /**
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+ * Returns the internal input element
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+ */
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+ input: function() {
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+ return this.$input;
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+ },
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+
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+ /**
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+ * Returns the element which is wrapped around the internal input. This
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+ * is normally the $container, but typeahead.js moves the $input element.
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+ */
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+ findInputWrapper: function() {
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+ var elt = this.$input[0],
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+ container = this.$container[0];
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+ while(elt && elt.parentNode !== container)
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+ elt = elt.parentNode;
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+
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+ return $(elt);
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+ }
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+ };
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+
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+ /**
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+ * Register JQuery plugin
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+ */
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+ $.fn.tagsinput = function(arg1, arg2) {
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+ var results = [];
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+
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+ this.each(function() {
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+ var tagsinput = $(this).data('tagsinput');
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+
|
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+ // Initialize a new tags input
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+ if (!tagsinput) {
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+ tagsinput = new TagsInput(this, arg1);
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+ $(this).data('tagsinput', tagsinput);
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+ results.push(tagsinput);
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+
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+ if (this.tagName === 'SELECT') {
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+ $('option', $(this)).attr('selected', 'selected');
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+ }
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+
|
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+ // Init tags from $(this).val()
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+ $(this).val($(this).val());
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+ } else {
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+ // Invoke function on existing tags input
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|
+ var retVal = tagsinput[arg1](arg2);
|
|
|
+ if (retVal !== undefined)
|
|
|
+ results.push(retVal);
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ if ( typeof arg1 == 'string') {
|
|
|
+ // Return the results from the invoked function calls
|
|
|
+ return results.length > 1 ? results : results[0];
|
|
|
+ } else {
|
|
|
+ return results;
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ $.fn.tagsinput.Constructor = TagsInput;
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Most options support both a string or number as well as a function as
|
|
|
+ * option value. This function makes sure that the option with the given
|
|
|
+ * key in the given options is wrapped in a function
|
|
|
+ */
|
|
|
+ function makeOptionItemFunction(options, key) {
|
|
|
+ if (typeof options[key] !== 'function') {
|
|
|
+ var propertyName = options[key];
|
|
|
+ options[key] = function(item) { return item[propertyName]; };
|
|
|
+ }
|
|
|
+ }
|
|
|
+ function makeOptionFunction(options, key) {
|
|
|
+ if (typeof options[key] !== 'function') {
|
|
|
+ var value = options[key];
|
|
|
+ options[key] = function() { return value; };
|
|
|
+ }
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * HtmlEncodes the given value
|
|
|
+ */
|
|
|
+ var htmlEncodeContainer = $('<div />');
|
|
|
+ function htmlEncode(value) {
|
|
|
+ if (value) {
|
|
|
+ return htmlEncodeContainer.text(value).html();
|
|
|
+ } else {
|
|
|
+ return '';
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Returns the position of the caret in the given input field
|
|
|
+ * http://flightschool.acylt.com/devnotes/caret-position-woes/
|
|
|
+ */
|
|
|
+ function doGetCaretPosition(oField) {
|
|
|
+ var iCaretPos = 0;
|
|
|
+ if (document.selection) {
|
|
|
+ oField.focus ();
|
|
|
+ var oSel = document.selection.createRange();
|
|
|
+ oSel.moveStart ('character', -oField.value.length);
|
|
|
+ iCaretPos = oSel.text.length;
|
|
|
+ } else if (oField.selectionStart || oField.selectionStart == '0') {
|
|
|
+ iCaretPos = oField.selectionStart;
|
|
|
+ }
|
|
|
+ return (iCaretPos);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Initialize tagsinput behaviour on inputs and selects which have
|
|
|
+ * data-role=tagsinput
|
|
|
+ */
|
|
|
+ $(function() {
|
|
|
+ $("input[data-role=tagsinput], select[multiple][data-role=tagsinput]").tagsinput();
|
|
|
+ });
|
|
|
+})(window.jQuery);
|
Torkel Ödegaard