client/js/save-once.js
author rougeronj
Wed, 06 May 2015 10:38:01 +0200
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/* Saves the Full JSON once */
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Rkns.jsonIOSaveOnClick = function(_renkan, _opts) {
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    var _proj = _renkan.project,
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        _saveWarn = false,
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        _onLeave = function() {
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            return "Project not saved";
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        };
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    if (typeof _opts.http_method === "undefined") {
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        _opts.http_method = 'POST';
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    }
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    var _load = function() {
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        var getdata = {},
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            rx = /id=([^&#?=]+)/,
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            matches = document.location.hash.match(rx);
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        if (matches) {
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            getdata.id = matches[1];
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        }
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        Rkns.$.ajax({
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            url: _opts.url,
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            data: getdata,
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            beforeSend: function(){
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                _proj.set({loading_status:true});
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            },
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            success: function(_data) {
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                _proj.set(_data, {validate: true});
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                _proj.set({loading_status:false});
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                _proj.set({save_status:0});
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                _renkan.renderer.autoScale();
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            }
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        });
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    };
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    var _save = function() {
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        _proj.set("saved_at", new Date());
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        var _data = _proj.toJSON();
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        Rkns.$.ajax({
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            type: _opts.http_method,
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            url: _opts.url,
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            contentType: "application/json",
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            data: JSON.stringify(_data),
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            beforeSend: function(){
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                _proj.set({save_status:2});
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            },
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            success: function(data, textStatus, jqXHR) {
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                $(window).off("beforeunload", _onLeave);
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                _saveWarn = false;
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                _proj.set({save_status:0});
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                //document.location.hash = "#id=" + data.id;
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                //$(".Rk-Notifications").text("Saved as "+document.location.href).fadeIn().delay(2000).fadeOut();
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            }
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        });
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    };
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    var _checkLeave = function() {
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        _proj.set({save_status:1});
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        var title = _proj.get("title");
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        if (title && _proj.get("nodes").length) {
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            $(".Rk-Save-Button").removeClass("disabled");
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        } else {
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            $(".Rk-Save-Button").addClass("disabled");
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        }
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        if (title) {
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            $(".Rk-PadTitle").css("border-color","#333333");
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        }
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        if (!_saveWarn) {
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            _saveWarn = true;
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            $(window).on("beforeunload", _onLeave);
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        }
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    };
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    _load();
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    _proj.on("add:nodes add:edges add:users change", function(_model) {
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        _model.on("change remove", function(_model) {
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            if(!(_model.changedAttributes.length === 1 && _model.hasChanged('save_status'))) {
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                _checkLeave();
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            }
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        });
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        if(!(_proj.changedAttributes.length === 1 && _proj.hasChanged('save_status'))) {
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            _checkLeave();
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        }
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    });
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    _renkan.renderer.save = function() {
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        if ($(".Rk-Save-Button").hasClass("disabled")) {
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            if (!_proj.get("title")) {
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                $(".Rk-PadTitle").css("border-color","#ff0000");
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            }
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        } else {
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            _save();
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        }
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    };
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};