Files
edx-platform/cms/static/coffee/src/views/unit.coffee
2012-11-20 07:19:34 -05:00

271 lines
7.5 KiB
CoffeeScript

class CMS.Views.UnitEdit extends Backbone.View
events:
# 'click .new-component .new-component-type a': 'showComponentTemplates'
'click .new-component .new-component-type a': 'addNewComponent'
'click .new-component .cancel-button': 'closeNewComponent'
'click .new-component-templates .new-component-template a': 'saveNewComponent'
'click .new-component-templates .cancel-button': 'closeNewComponent'
'click .new-component-button': 'showNewComponentForm'
'click .delete-draft': 'deleteDraft'
'click .create-draft': 'createDraft'
'click .publish-draft': 'publishDraft'
'change .visibility-select': 'setVisibility'
initialize: =>
@visibilityView = new CMS.Views.UnitEdit.Visibility(
el: @$('.visibility-select')
model: @model
)
@locationView = new CMS.Views.UnitEdit.LocationState(
el: @$('.section-item.editing a')
model: @model
)
@nameView = new CMS.Views.UnitEdit.NameEdit(
el: @$('.unit-name-input')
model: @model
)
@model.on('change:state', @render)
@$newComponentItem = @$('.new-component-item')
@$newComponentTypePicker = @$('.new-component')
@$newComponentTemplatePickers = @$('.new-component-templates')
@$newComponentButton = @$('.new-component-button')
@$('.components').sortable(
handle: '.drag-handle'
update: (event, ui) => @model.save(children: @components())
helper: 'clone'
opacity: '0.5'
placeholder: 'component-placeholder'
forcePlaceholderSize: true
axis: 'y'
items: '> .component'
)
@$('.component').each((idx, element) =>
new CMS.Views.ModuleEdit(
el: element,
onDelete: @deleteComponent,
model: new CMS.Models.Module(
id: $(element).data('id'),
)
)
)
# New component creation
showNewComponentForm: (event) =>
event.preventDefault()
@$newComponentItem.addClass('adding')
$(event.target).fadeOut(150)
@$newComponentItem.css('height', @$newComponentTypePicker.outerHeight())
@$newComponentTypePicker.slideDown(250)
showComponentTemplates: (event) =>
event.preventDefault()
type = $(event.currentTarget).data('type')
@$newComponentTypePicker.fadeOut(250)
@$(".new-component-#{type}").fadeIn(250)
closeNewComponent: (event) =>
event.preventDefault()
@$newComponentTypePicker.slideUp(250)
@$newComponentTemplatePickers.slideUp(250)
@$newComponentButton.fadeIn(250)
@$newComponentItem.removeClass('adding')
@$newComponentItem.find('.rendered-component').remove()
@$newComponentItem.css('height', @$newComponentButton.outerHeight())
addNewComponent: (event) =>
event.preventDefault()
@$componentItem = $('<li>').addClass('editing')
type = $(event.currentTarget).data('type')
switch type
when 'video'
@$editor = $($('#video-editor').html())
$preview = $($('#video-preview').html())
when 'problem'
@$editor = $($('#problem-editor').html())
$preview = $($('#problem-preview').html())
initProblemEditors(@$editor, $preview)
when 'html'
@$editor = $($('#html-editor').html())
$preview = $('<div class="html-preview">')
initHTMLEditor(@$editor, $preview)
@$editor.find('.save-button, .cancel-button').bind('click', =>
@$componentItem.removeClass('editing')
@closeEditor()
)
$componentActions = $($('#component-actions').html())
@$componentItem.append(@$editor)
@$componentItem.append($preview)
@$componentItem.append($componentActions)
@$componentItem.hide()
@$newComponentItem.before(@$componentItem)
@$componentItem.slideDown(200)
$modalCover.fadeIn(200)
$modalCover.bind('click', @closeEditor)
closeEditor: (event) =>
@$editor.slideUp(150)
$modalCover.fadeOut(150)
$modalCover.unbind('click', @closeEditor)
@$editor.slideUp(150)
@$componentItem.removeClass('editing')
saveNewComponent: (event) =>
event.preventDefault()
editor = new CMS.Views.ModuleEdit(
onDelete: @deleteComponent
model: new CMS.Models.Module()
)
@$newComponentItem.before(editor.$el)
editor.cloneTemplate(
@$el.data('id'),
$(event.currentTarget).data('location')
)
@closeNewComponent(event)
components: => @$('.component').map((idx, el) -> $(el).data('id')).get()
wait: (value) =>
@$('.unit-body').toggleClass("waiting", value)
render: =>
if @model.hasChanged('state')
@$el.toggleClass("edit-state-#{@model.previous('state')} edit-state-#{@model.get('state')}")
@wait(false)
saveDraft: =>
@model.save()
deleteComponent: (event) =>
if not confirm 'Are you sure you want to delete this component? This action cannot be undone.'
return
$component = $(event.currentTarget).parents('.component')
$.post('/delete_item', {
id: $component.data('id')
}, =>
$component.remove()
@model.save(children: @components())
)
deleteDraft: (event) ->
@wait(true)
$.post('/delete_item', {
id: @$el.data('id')
delete_children: true
}, =>
window.location.reload()
)
createDraft: (event) ->
@wait(true)
$.post('/create_draft', {
id: @$el.data('id')
}, =>
@model.set('state', 'draft')
)
publishDraft: (event) ->
@wait(true)
@saveDraft()
$.post('/publish_draft', {
id: @$el.data('id')
}, =>
@model.set('state', 'public')
)
setVisibility: (event) ->
if @$('.visibility-select').val() == 'private'
target_url = '/unpublish_unit'
else
target_url = '/publish_draft'
@wait(true)
$.post(target_url, {
id: @$el.data('id')
}, =>
@model.set('state', @$('.visibility-select').val())
)
class CMS.Views.UnitEdit.NameEdit extends Backbone.View
events:
"keyup .unit-display-name-input": "saveName"
initialize: =>
@model.on('change:metadata', @render)
@model.on('change:state', @setEnabled)
@setEnabled()
@saveName
@$spinner = $('<span class="spinner-in-field-icon"></span>');
render: =>
@$('.unit-display-name-input').val(@model.get('metadata').display_name)
setEnabled: =>
disabled = @model.get('state') == 'public'
if disabled
@$('.unit-display-name-input').attr('disabled', true)
else
@$('.unit-display-name-input').removeAttr('disabled')
saveName: =>
# Treat the metadata dictionary as immutable
metadata = $.extend({}, @model.get('metadata'))
metadata.display_name = @$('.unit-display-name-input').val()
$('.unit-location .editing .unit-name').html(metadata.display_name)
inputField = this.$el.find('input')
# add a spinner
@$spinner.css({
'position': 'absolute',
'top': Math.floor(inputField.position().top + (inputField.outerHeight() / 2) + 3),
'left': inputField.position().left + inputField.outerWidth() - 24,
'margin-top': '-10px'
});
inputField.after(@$spinner);
@$spinner.fadeIn(10)
# save the name after a slight delay
if @timer
clearTimeout @timer
@timer = setTimeout( =>
@model.save(metadata: metadata)
@timer = null
@$spinner.delay(500).fadeOut(150)
, 500)
class CMS.Views.UnitEdit.LocationState extends Backbone.View
initialize: =>
@model.on('change:state', @render)
render: =>
@$el.toggleClass("#{@model.previous('state')}-item #{@model.get('state')}-item")
class CMS.Views.UnitEdit.Visibility extends Backbone.View
initialize: =>
@model.on('change:state', @render)
@render()
render: =>
@$el.val(@model.get('state'))