diff options
Diffstat (limited to 'app/assets/javascripts/gl_dropdown.js.coffee')
| -rw-r--r-- | app/assets/javascripts/gl_dropdown.js.coffee | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/app/assets/javascripts/gl_dropdown.js.coffee b/app/assets/javascripts/gl_dropdown.js.coffee new file mode 100644 index 00000000000..2b56ab2e6de --- /dev/null +++ b/app/assets/javascripts/gl_dropdown.js.coffee @@ -0,0 +1,331 @@ +class GitLabDropdownFilter + BLUR_KEYCODES = [27, 40] + HAS_VALUE_CLASS = "has-value" + + constructor: (@input, @options) -> + $inputContainer = @input.parent() + $clearButton = $inputContainer.find('.js-dropdown-input-clear') + + # Clear click + $clearButton.on 'click', (e) => + e.preventDefault() + e.stopPropagation() + @input + .val('') + .trigger('keyup') + .focus() + + # Key events + timeout = "" + @input.on "keyup", (e) => + if @input.val() isnt "" and !$inputContainer.hasClass HAS_VALUE_CLASS + $inputContainer.addClass HAS_VALUE_CLASS + else if @input.val() is "" and $inputContainer.hasClass HAS_VALUE_CLASS + $inputContainer.removeClass HAS_VALUE_CLASS + + if e.keyCode is 13 and @input.val() isnt "" + if @options.enterCallback + @options.enterCallback() + return + + clearTimeout timeout + timeout = setTimeout => + blur_field = @shouldBlur e.keyCode + search_text = @input.val() + + if blur_field + @input.blur() + + if @options.remote + @options.query search_text, (data) => + @options.callback(data) + else + @filter search_text + , 250 + + shouldBlur: (keyCode) -> + return BLUR_KEYCODES.indexOf(keyCode) >= 0 + + filter: (search_text) -> + data = @options.data() + results = data + + if search_text isnt "" + results = fuzzaldrinPlus.filter(data, search_text, + key: @options.keys + ) + + @options.callback results + +class GitLabDropdownRemote + constructor: (@dataEndpoint, @options) -> + + execute: -> + if typeof @dataEndpoint is "string" + @fetchData() + else if typeof @dataEndpoint is "function" + if @options.beforeSend + @options.beforeSend() + + # Fetch the data by calling the data funcfion + @dataEndpoint "", (data) => + if @options.success + @options.success(data) + + if @options.beforeSend + @options.beforeSend() + + # Fetch the data through ajax if the data is a string + fetchData: -> + $.ajax( + url: @dataEndpoint, + dataType: @options.dataType, + beforeSend: => + if @options.beforeSend + @options.beforeSend() + success: (data) => + if @options.success + @options.success(data) + ) + +class GitLabDropdown + LOADING_CLASS = "is-loading" + PAGE_TWO_CLASS = "is-page-two" + ACTIVE_CLASS = "is-active" + + constructor: (@el, @options) -> + self = @ + @dropdown = $(@el).parent() + search_fields = if @options.search then @options.search.fields else []; + + if @options.data + # Remote data + @remote = new GitLabDropdownRemote @options.data, { + dataType: @options.dataType, + beforeSend: @toggleLoading.bind(@) + success: (data) => + @fullData = data + + @parseData @fullData + } + + # Init filiterable + if @options.filterable + @input = @dropdown.find('.dropdown-input .dropdown-input-field') + + @filter = new GitLabDropdownFilter @input, + remote: @options.filterRemote + query: @options.data + keys: @options.search.fields + data: => + return @fullData + callback: (data) => + @parseData data + @highlightRow 1 + enterCallback: => + @selectFirstRow() + + # Event listeners + + @dropdown.on "shown.bs.dropdown", @opened + @dropdown.on "hidden.bs.dropdown", @hidden + @dropdown.on "click", ".dropdown-menu, .dropdown-menu-close", @shouldPropagate + + if @dropdown.find(".dropdown-toggle-page").length + @dropdown.find(".dropdown-toggle-page, .dropdown-menu-back").on "click", (e) => + e.preventDefault() + e.stopPropagation() + + @togglePage() + + if @options.selectable + selector = ".dropdown-content a" + + if @dropdown.find(".dropdown-toggle-page").length + selector = ".dropdown-page-one .dropdown-content a" + + @dropdown.on "click", selector, (e) -> + e.preventDefault() + self.rowClicked $(@) + + if self.options.clicked + self.options.clicked.call(@,e) + + toggleLoading: -> + $('.dropdown-menu', @dropdown).toggleClass LOADING_CLASS + + togglePage: -> + menu = $('.dropdown-menu', @dropdown) + + if menu.hasClass(PAGE_TWO_CLASS) + if @remote + @remote.execute() + + menu.toggleClass PAGE_TWO_CLASS + + parseData: (data) -> + @renderedData = data + + # Render each row + html = $.map data, (obj) => + return @renderItem(obj) + + if @options.filterable and data.length is 0 + # render no matching results + html = [@noResults()] + + # Render the full menu + full_html = @renderMenu(html.join("")) + + @appendMenu(full_html) + + shouldPropagate: (e) => + if @options.multiSelect + $target = $(e.target) + if not $target.hasClass('dropdown-menu-close') and not $target.hasClass('dropdown-menu-close-icon') + e.stopPropagation() + return false + else + return true + + opened: => + contentHtml = $('.dropdown-content', @dropdown).html() + if @remote && contentHtml is "" + @remote.execute() + + if @options.filterable + @dropdown.find(".dropdown-input-field").focus() + + hidden: (e) => + if @options.filterable + @dropdown + .find(".dropdown-input-field") + .blur() + .val("") + .trigger("keyup") + + if @dropdown.find(".dropdown-toggle-page").length + $('.dropdown-menu', @dropdown).removeClass PAGE_TWO_CLASS + + if @options.hidden + @options.hidden.call(@,e) + + + # Render the full menu + renderMenu: (html) -> + menu_html = "" + + if @options.renderMenu + menu_html = @options.renderMenu(html) + else + menu_html = "<ul>#{html}</ul>" + + return menu_html + + # Append the menu into the dropdown + appendMenu: (html) -> + selector = '.dropdown-content' + if @dropdown.find(".dropdown-toggle-page").length + selector = ".dropdown-page-one .dropdown-content" + + $(selector, @dropdown).html html + + # Render the row + renderItem: (data) -> + html = "" + + return "<li class='divider'></li>" if data is "divider" + + if @options.renderRow + # Call the render function + html = @options.renderRow(data) + else + selected = if @options.isSelected then @options.isSelected(data) else false + if not selected + value = if @options.id then @options.id(data) else data.id + fieldName = @options.fieldName + field = @dropdown.parent().find("input[name='#{fieldName}'][value='#{value}']") + if field.length + selected = true + + url = if @options.url then @options.url(data) else "#" + text = if @options.text then @options.text(data) else "" + cssClass = ""; + + if selected + cssClass = "is-active" + + html = "<li>" + html += "<a href='#{url}' class='#{cssClass}'>" + html += text + html += "</a>" + html += "</li>" + + return html + + noResults: -> + html = "<li>" + html += "<a href='#' class='dropdown-menu-empty-link is-focused'>" + html += "No matching results." + html += "</a>" + html += "</li>" + + highlightRow: (index) -> + if @input.val() isnt "" + selector = '.dropdown-content li:first-child a' + if @dropdown.find(".dropdown-toggle-page").length + selector = ".dropdown-page-one .dropdown-content li:first-child a" + + $(selector).addClass 'is-focused' + + rowClicked: (el) -> + fieldName = @options.fieldName + selectedIndex = el.parent().index() + if @renderedData + selectedObject = @renderedData[selectedIndex] + value = if @options.id then @options.id(selectedObject, el) else selectedObject.id + field = @dropdown.parent().find("input[name='#{fieldName}'][value='#{value}']") + if el.hasClass(ACTIVE_CLASS) + el.removeClass(ACTIVE_CLASS) + field.remove() + else + fieldName = @options.fieldName + selectedIndex = el.parent().index() + if @renderedData + selectedObject = @renderedData[selectedIndex] + selectedObject.selected = true + value = if @options.id then @options.id(selectedObject, el) else selectedObject.id + + if !value? + field.remove() + + if not @options.multiSelect + @dropdown.find(".#{ACTIVE_CLASS}").removeClass ACTIVE_CLASS + @dropdown.parent().find("input[name='#{fieldName}']").remove() + + # Toggle active class for the tick mark + el.toggleClass "is-active" + + # Toggle the dropdown label + if @options.toggleLabel + $(@el).find(".dropdown-toggle-text").text @options.toggleLabel(selectedObject) + if value? + if !field.length + # Create hidden input for form + input = "<input type='hidden' name='#{fieldName}' value='#{value}' />" + if @options.inputId? + input = $(input) + .attr('id', @options.inputId) + @dropdown.before input + + selectFirstRow: -> + selector = '.dropdown-content li:first-child a' + if @dropdown.find(".dropdown-toggle-page").length + selector = ".dropdown-page-one .dropdown-content li:first-child a" + + # simulate a click on the first link + $(selector).trigger "click" + +$.fn.glDropdown = (opts) -> + return @.each -> + new GitLabDropdown @, opts |