/**
 * Tabella - Dibi DataGrid for Nette
 *
 * This source file is subject to the "New BSD License".
 *
 * @author     Vojtěch Knyttl
 * @copyright  Copyright (c) 2010 Vojtěch Knyttl
 * @license    New BSD License
 * @link       http://tabella.knyt.tl/
 */
 
$(document).ready(function() {
    $(".tabella").each(function(key, val) {
        eval('var foo = ' + $(val).attr("data-params"));
        tabella.params[$(val).attr("data-id")] = foo;
    });

    $(".tabella .dateFilter").tabellaDatePicker();

    $(".tabella_ajax").live("click", function(event) {
        $(this).tabellaFadeBody();
        tabella.getContents(this.href);
        event.preventDefault();
        return false;
    });

    $(".tabella .filter").live("change", function() {
        focused = $(this).attr("data-id");
        name = $(this).tabellaEl().attr("data-id");

        filters = "?do="+name+"-reset&";
        $(this).tabellaFadeBody();

        $(".tabella .filter").each(function() {
            filters += name+"-filter["+$(this).attr("name")+"]="+encodeURIComponent($(this).val())+"&";
        });

        tabella.getContents(window.location.pathname+filters, function(payload) {
            $("div[name='"+name+"']").find("input[name='"+focused+"']").focus();
        });
    });

    $(document).keydown(function(event) {
        if (event.keyCode == 13) {
            $(".edited .save").click();
        }
        if (event.keyCode == 27) {
            $(".edited .cancel").click();
        }
    });

    // bindings for inline editing
    $(".tabella .editable").live("click", function() {
        // starting the edition
        row = $(this).parents("tr");
        if (!row.hasClass("edited")) {
            row.tabellaFinishEdit();
            row.tabellaStartEdit();
            $(this).find("input, select, textarea").focus().click().click();
        }
    });

    $(".tabella .button").live("click", function() {
        row = $(this).parents("tr");
        if ($(this).hasClass("save")) {
            row.tabellaFade();
            var data = "";

            // tabella name
            var name = $(this).tabellaName();

            // creating the request
            var payload = new Object();

            row.find("input, textarea, select").each(function() {
                key = name+"-"+$(this).attr("name");
                payload[key] = $(this).val();
            });
            // saving the inline edit

            $.post($(this).tabellaEl().attr('data-submit-url'), payload, tabella.ajaxSuccess);
        } else {
            if (row.attr("data-id") == 0) {
                row.tabellaEl().find(".delete").show();
                row.remove();
            }
        }
        // removing the inline edit elements
        row.tabellaFinishEdit();
    });

    $(".tabella .delete").live("click", function() {
        tr = $(this).parents("tr");
        tr.tabellaFade();
        if (!confirm("Sure to delete?")) {
            tr.css("opacity", "1");
            return;
        }

        $.post($(this).tabellaEl().attr('data-submit-url'),
            $(this).tabellaName()+'-deleteId='+tr.attr("data-id"), tabella.ajaxSuccess);
    });
    $(".tabella .add").live("click", function() {
        tr = $("<tr data-id=0>");
        tabellaParams = tabella.params[$(this).tabellaName()];
        $.each(tabellaParams["cols"], function(key, val) {
            td = $("<td>");

            params = val["params"];

            td.attr("data-format", params[params['type']+"Format"]);
            td.css("width", params['width']+"px");
            if (params["type"] == "delete")
                return;
            $.each(params["class"], function(key, cl) {
                td.addClass(cl);
            });
            if (params["editable"])
                td.addClass("editable");
            td.attr("data-type", params["type"])
            .attr("data-name", val["colName"]);

            tr.append(td);
        });
        tr.prependTo($(this).tabellaEl().find(".tabella-body"));
        tr.tabellaStartEdit();
    });
});

tabella = {
    getContents: function(url, success) {

        if (typeof history.replaceState != 'undefined')
            history.replaceState("", "", url);
        tabella.currentAjax++;
        $.getJSON(url, {}, function(payload) {
            if (tabella.currentAjax == 1) {
                tabella.ajaxSuccess(payload);
                if (success)
                    success(payload);
            }
            tabella.currentAjax--;
        });
    },

    ajaxSuccess: function(payload) {
        // partially based on Nette ajax script by David Grudl and Jan Marek
        if (payload.snippets) {
            for (var i in payload.snippets) {
                $("#" + i).html(payload.snippets[i]);
            }
        }
    },
    currentAjax: 0,
    params: []
};


$.fn.extend({
    tabellaName: function() {
        return $(this).tabellaEl().attr("data-id");
    },
    tabellaEl: function() {
        return $(this).parents(".tabella");
    },
    tabellaFadeBody: function() {
        $(this).tabellaEl().find(".tabella-body").tabellaFade();
    },
    tabellaFade: function() {
        $(this).css("opacity", "0.5");
    },
    tabellaStartEdit: function() {
        var row = $(this);
        $(this).addClass("edited");
        $(this).tabellaEl().find(".delete").hide();
        $(this).find(".editable").each(function() {
            var cell;
            var name = $(this).attr("data-name");
            var val = $(this).tabellaEl().find(".filter[name='"+name+"']").val();
            switch($(this).attr("data-type")) {
                case "text":
                    cell = $("<input type=text>");
                    break;
                case "textarea":
                    cell = $("<textarea>");
                    break;
                case "checkbox":
                    cell = $("<input type=checkbox>")
                    .attr("name", name)
                    .attr("checked", $(this).attr("data-editable") == "1");
                    $(this).html(cell);
                    cell = null;
                    break;
                case "date":
                    cell = $("<input type=text>")
                    .attr("name", name)
                    .val($(this).text());
                    $(this).html(cell);
                    cell.css("width", ($(this).css("width").match(/\d+/)[0]*1+4)+"px !important");
                    cell.tabellaDatePicker();
                    cell = null;
                    break;
                case "select":
                    cell = $("<select>");

                    $.each(tabella.params[$(this).tabellaName()]["cols"][name]["params"]["options"],
                        function(key, val) {
                            cell.append($("<option>").attr("value",key).html(val));
                        });
                    break;
            }
            if (cell) {
                cell.attr("name", name)
                .val($(this).attr("data-editable"));
                $(this).html(cell);
                cell.css("width", ($(this).css("width").match(/\d+/)[0]*1+4)+"px !important");
                if(row.attr("data-id") == 0)
                    cell.val(val);
            }
        });
        $(this).find(".editable:first").append($("<input name=id type=hidden>").attr("value", $(this).attr("data-id")));
        $(this).append('<td class="button save"></td><td class="button cancel"></td>');
    },
    tabellaFinishEdit: function() {
        $(this).tabellaEl().find(".delete").show();
        $(this).parent().find(".edited").each(function() {
            $(this).removeClass("edited");
            $(this).find(".button").remove();
            $(this).find(".editable").each(function() {
                $(this).html($(this).attr("data-shown"));
            });
        });
    },
    // function to run the date picker tool
    tabellaDatePicker: function() {
        if (this.length == 0)
            return
        format = $(this).parent().attr("data-format");
        $.dpText = {
            TEXT_PREV_MONTH  : '',
            TEXT_NEXT_MONTH  : '',
            TEXT_CLOSE       : '',
            TEXT_CHOOSE_DATE : '',
            HEADER_FORMAT    : 'mmmm yyyy'
        }

        Date.firstDayOfWeek = 1;
        format = format.replace('%d', 'dd')
        .replace('%m', 'mm')
        .replace('%y', 'yy')
        .replace('%Y', 'yyyy');
        if (format.match(/yyyy/)) {
            d = new Date("01/01/1970");
        } else {
            d = new Date("01/01/2000");
        }

        Date.format = format;
        d = d.asString();
        $(this).datePicker({
            clickInput: true,
            startDate: d,
            createButton: false
        }).bind('focus', function(event, message) {
            if (message == $.dpConst.DP_INTERNAL_FOCUS)
                return true;
            var dp = this;
            var $dp = $(this);
            $dp.dpDisplay();
            $('*').bind('focus.datePicker', function(event) {
                var $focused = $(this);
                if (!$focused.is('.dp-applied')) {
                    if ($focused.parents('#dp-popup').length == 0 && this != dp && !($.browser.msie && this == document.body)) {
                        $('*').unbind('focus.datePicker');
                        $dp.dpClose();
                    }
                }
            });
            return false;
        }).bind('dpClosed', function(event, selected) {
            $('*').unbind('focus.datePicker');
        });
    }
});