Synnefo

// Copyright 2011 GRNET S.A. All rights reserved.

// 

// Redistribution and use in source and binary forms, with or

// without modification, are permitted provided that the following

// conditions are met:

// 

//   1. Redistributions of source code must retain the above

//      copyright notice, this list of conditions and the following

//      disclaimer.

// 

//   2. Redistributions in binary form must reproduce the above

//      copyright notice, this list of conditions and the following

//      disclaimer in the documentation and/or other materials

//      provided with the distribution.

// 

// THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS

// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR

// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF

// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED

// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN

// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

// POSSIBILITY OF SUCH DAMAGE.

// 

// The views and conclusions contained in the software and

// documentation are those of the authors and should not be

// interpreted as representing official policies, either expressed

// or implied, of GRNET S.A.

// 

;(function(root){

    // root

    var root = root;

    // setup namepsaces

    var snf = root.synnefo = root.synnefo || {};

    var api = snf.api = snf.api || {};

    var models = snf.models = snf.models || {}

    var storage = snf.storage = snf.storage || {};

    var ui = snf.ui = snf.ui || {};

    var util = snf.util = snf.util || {};

    var views = snf.views = snf.views || {}

    // shortcuts

    var bb = root.Backbone;

    views.FeedbackView = views.Overlay.extend({

        view_id: "feedback_view",

        content_selector: "#feedback-overlay-content",

        css_class: 'overlay-feedback overlay-info',

        overlay_id: "feedback-overlay",

        subtitle: "",

        title: "Send feedback",

        initialize: function(options) {

            views.FeedbackView.__super__.initialize.apply(this, arguments);

            _.bindAll(this, 'submit_form', 'show_error', 'show_success');

            this.submit = this.$("span.submit");

            this.text = this.$("textarea.feedback-message");

            this.text_row = this.$("div.form-field");

            this.messages = this.$(".messages").hide();

            this.error = this.$("p.error-message");

            this.success = this.$("p.success-message");

            this.form = this.$(".form");

            this.sending = this.$(".sending-message");

            this.init_handlers();

        },

        init_handlers: function() {

            this.submit.click(this.submit_form);

        },

        get_message: function() {

            var text = _(this.text.val()).trim();

            return text;

        },

        validate: function() {

            var msg = this.get_message();

            if (msg == "") {

                this.text_row.addClass("error");

                return false;

            } else {

                this.text_row.removeClass("error");

                return true;

            }

        },

        submit_form: function() {

            if (this.validate()) {

                this.show_sending();

                this.send_message(this.get_message(), {});

            } else {}

        },

        send_message: function(msg, extra) {

            var extra = extra || {};

            var data = {

                'feedback_msg': msg,

                'feedback_data': this.get_feedback_data() || ""

            }

            var opts = {

                'url': synnefo.config.feedback_post_url,

                'data': $.param(data),

                'success': this.show_success,

                'error': this.show_error,

                'no_skip': true,

                'display': false,

                'handles_error': true

            }

            api.sync('create', undefined, opts);

        },

        get_feedback_data: function() {

            if (this.collect_data) return JSON.stringify(_.extend({}, snf.collect_user_data(),this.extra_data));

        },

        onOpen: function() {

            var self = this;

            var point = this.text.val().length;

            this.text.show().focus().setCursorPosition(point);

            this.$(".closeme").unbind("click");

            this.$(".closeme").bind("click", function(){

                self.hide("reset")

            });

        },

        show_form: function() {

            this.form.show();

            this.messages.hide();

            this.text.focus();

        },

        show_sending: function() {

            this.form.hide();

            this.messages.show();

            this.error.hide();

            this.success.hide();

            this.sending.show();

        },

        show_error: function() {

            this.form.hide();

            this.messages.show();

            this.error.show();

            this.success.hide();

            this.sending.hide();

        },

        show_success: function() {

            this.form.hide();

            this.messages.show();

            this.error.hide();

            this.success.show();

            this.sending.hide();

        },

        hide: function(reset_error_state) {

            // trigger api reset

            if (reset_error_state === "reset") {

                // report error feedback form

                if (snf.api.error_state == snf.api.STATES.ERROR) {

                    snf.api.trigger("reset");

                    ui.main.error_view.displaying_error = false;

                    ui.main.error_view.is_visible = false;

                }

            }

            ui.main.error_view.is_visible = false;

            views.FeedbackView.__super__.hide.apply(this);

        },

        show: function(data, collect_data, extra_data, cb) {

            // proxy error view visibility to avoid showing

            // errors while user sees feedback overlay

            ui.main.error_view.is_visible = true;

            this.data = data || "";

            this.cb = cb || function () {};

            this.collect_data = collect_data || false;

            this.extra_data = extra_data || {};

            views.FeedbackView.__super__.show.apply(this, arguments);

            this.text.val(data);

            this.show_form();

        }

    });

})(this);