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 | <!DOCTYPE html>
<html lang="fr" dir="ltr">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="initial-scale=1.0">
    <meta name="author" content="Daniel Hagnoul">
    <title>Forum jQuery</title>
    <script src="http://cdnjs.cloudflare.com/ajax/libs/headjs/1.0.3/head.min.js"></script>
    <link rel="stylesheet" href='http://fonts.googleapis.com/css?family=Sofia|Ubuntu:400|Kreon'>
    <script>
        "use strict";
 
        var debugBool = true;
 
         /*
          * J'utilise head.js pour charger CSS et JS de manière asynchrone 
          * et parallèle, mais les fichiers sont exécute dans l'ordre.
          * Voir la documentation et l'API : http://headjs.com/
          * Les polices de caractères et le fichier head.js doivent être 
          * inclus manuellement.
          */
        head.load(
            "http://danielhagnoul.developpez.com/styles/dvjhRemBase.css",
            "http://code.jquery.com/ui/1.10.4/themes/sunny/jquery-ui.css",
            "http://code.jquery.com/qunit/qunit-1.13.0.css",
            { "d3" : "http://d3js.org/d3.v3.min.js" },
            { "d3Hello" : "http://danielhagnoul.developpez.com/lib/dvjh/d3Hello.js" },
            { "jquery" : "http://code.jquery.com/jquery-2.1.0.min.js" },
            { "jqueryui" : "http://code.jquery.com/ui/1.10.4/jquery-ui.min.js" },
            "http://ajax.googleapis.com/ajax/libs/jqueryui/1.10.3/i18n/jquery-ui-i18n.min.js",
            { "qunit" : "http://code.jquery.com/qunit/qunit-1.13.0.js" },
            { "testsQUnit" : "http://danielhagnoul.developpez.com/lib/dvjh/testsQUnit.js" }
        );      
    </script>
    <style>
        /* Nota bene : ici 1 rem est égal à 10 px, voir dvjhRemBase.css */
 
/*-- Début code du test --*/
 
 
/*-- Fin code du test --*/
 
    </style>
</head>
<body>
    <header>
        <h1>Forum jQuery</h1>
        <h2>
            <a href="">Lien</a>
        </h2>
    </header>
    <section class="conteneur">
        <nav>
 
<!-- Début code du test -->
 
 
<!-- Fin code du test -->
 
        </nav>
        <article>
 
<!-- Début code du test -->
 
<canvas id="graph1" class='_1'></canvas>
 
<!-- Fin code du test -->
 
        </article>
        <article>
 
<!-- Début code du test -->
 
<canvas id="graph2" class='_1'></canvas>
 
<!-- Fin code du test -->
 
        </article>
        <article>
 
<!-- Début code du test -->
 
<canvas id="graph3" class='_2'></canvas>
 
<!-- Fin code du test -->
 
        </article>
        <article class="qunit">
            <div id="qunit"></div>
            <div id="qunit-fixture"></div>
        </article>
    </section>
    <footer class="h-entry">
        <time class="dt-published" datetime="2014-01-22T10:36:43.443+0100">2014-01-22T10:36:43.443+0100</time>
        <a class="p-author h-card" href="http://www.developpez.net/forums/u285162/danielhagnoul/">Daniel Hagnoul</a>
        <a class="u-url" href="http://danielhagnoul.developpez.com/">Mon cahier dexercices</a>
        <a class="u-url" href="http://javascript.developpez.com/faq/jquery/">FAQ</a>
        <a class="u-url" href="http://javascript.developpez.com/cours/?page=frameworks#jquery">Tutoriels</a>
    </footer>
    <script>
        "use strict";
 
        /*
         * Chargeur de code head.js, document ready et fichiers chargés.
         */
        head.ready( [ 
                "d3", "d3Hello", 
                "jquery", "jqueryui", 
                "qunit", "testsQUnit"
            ], function(){
 
/* Début code du test */
 
(function( $ ){
 
    $.fn.jGraph = function( options ){
        var test = 0,
            defaults = {
                'width': 600,
                'height': 250,
                'abscissa': [ -100, 100 ],
                'ordered': [ -50, +50 ]
            },
            params = $.extend( true, {}, defaults, options );
 
        return this.each( function( i, item ){
 
            var drawLines = function( jObj ){
                var Graph = jObj.data( "Graph" );
 
                // Step for the points
                Graph.pointsX = Graph.abscissa[ 1 ] - Graph.abscissa[ 0 ];
                Graph.pointsY = Graph.ordered[ 1 ] - Graph.ordered[ 0 ];
                Graph.stepX = Math.round( Graph.width / Graph.pointsX );
                Graph.stepY = Graph.height / Graph.pointsY;
 
                // abscissa
                Graph.ctx.strokeStyle = '#383838';
                Graph.ctx.lineWidth = '1px';
                Graph.ctx.beginPath();
                Graph.ctx.moveTo( -( Graph.abscissa[ 0 ] ) * Graph.stepX, Graph.height );
                Graph.ctx.lineTo( -( Graph.abscissa[ 0 ] ) * Graph.stepX, 0 );
                Graph.ctx.stroke();
 
                // Ordered
                Graph.ctx.strokeStyle = '#383838';
                Graph.ctx.lineWidth = '1px';
                Graph.ctx.beginPath();
                Graph.ctx.moveTo( 0, Graph.ordered[ 1 ] * Graph.stepY );
                Graph.ctx.lineTo( Graph.width, Graph.ordered[ 1 ] * Graph.stepY );
                Graph.ctx.stroke();
 
                // Abcissa's points
                for ( var i = -( Graph.pointsX / 10 ); i >= ( Graph.abscissa[ 0 ] - Graph.pointsX / 10 ); i -= ( Graph.pointsX / 10 ) ){
                    Graph.ctx.strokeStyle = '#383838';
                    Graph.ctx.lineWidth = '1px';
 
                    Graph.ctx.beginPath();
 
                    Graph.ctx.moveTo( Math.abs( Graph.abscissa[ 0 ] * Graph.stepX ) + 
                                        ( i * Graph.stepX ), Graph.ordered[ 1 ] * Graph.stepY + 3 );
                    Graph.ctx.lineTo( Math.abs( Graph.abscissa[ 0 ] * Graph.stepX ) + 
                                        ( i * Graph.stepX ), Graph.ordered[ 1 ] * Graph.stepY - 3 );
                    Graph.ctx.fillText( Math.round( i ), Math.abs( Graph.abscissa[ 0 ] * Graph.stepX ) + 
                                        ( i * Graph.stepX ) - 5, Graph.ordered[ 1 ] * Graph.stepY - 4 );
 
                    Graph.ctx.stroke();
                }
 
                jObj.data( "Graph", Graph );
            };
 
            var draw = function( jObj ){
                var Graph = jObj.data( "Graph" );
 
                Graph.ctx.clearRect( 0, 0, Graph.width, Graph.height );
 
                jObj.data( "Graph", Graph );
 
                drawLines( jObj );
            };
 
            // Get mouse's coords
            var mouseCoords = function( jObj, e ){
                var x = e.clientX - jObj.offset().left;
                var y = e.clientY - jObj.position().top;
 
                return [ x, y ];
            };
 
            item.width = params.width;
            item.height = params.height;
 
            $( item )
                .css( "border", "1px solid black" )
                .data( "Graph", {
                    "ctx" : item.getContext( '2d' ),
                    "width" : params.width,
                    "height" : params.height,
                    "stepX" : 0,
                    "stepY" : 0,
                    "pointsX" : 0,
                    "pointsY" : 0,
                    "clicked" : false,
                    "abscissa" :  params.abscissa.concat(),
                    "ordered" : params.ordered.concat(),
                    "offsetLeft" : item.offsetLeft,
                    "offsetTop" : item.offsetTop
                });
 
            draw( $( item ) );
 
            // Move graph
            $( item ).on( "mousedown", function( e ){
                var Graph = $( this ).data( "Graph" );
 
                Graph.clicked = true;
                Graph.clickCoords = mouseCoords( $( this ), e );
                Graph.moveCoords = Graph.clickCoords;
 
                console.log( "MOUSEDOWN " + $( this ).attr( 'id' ) + 
                                '\nmouveCoords : ' + Graph.moveCoords + 
                                '\nclickCoords : ' + Graph.clickCoords );
 
                $( this ).data( "Graph", Graph );
            });
 
            $( item ).on( "mouseup", function(){
                var Graph = $( this ).data( "Graph" );
 
                Graph.clicked = false;
 
                console.log( "MOUSEUP " + $( this ).attr( 'id' ) + 
                                '\nmouveCoords : ' + Graph.moveCoords + 
                                '\nclickCoords : ' + Graph.clickCoords );
 
                $( this ).data( "Graph", Graph );
            });
 
            $( item ).on( "mousemove", function( e ){
                var Graph = $( this ).data( "Graph" );
 
                if ( Graph.clicked ){
 
                    console.log( "MOUSEMOVE " + $( this ).attr( 'id' ) + 
                                    '\nmouveCoords : ' + Graph.moveCoords + 
                                    '\nclickCoords : ' + Graph.clickCoords);
 
                    Graph.moveCoords = mouseCoords( $( this ), e );
 
                    var x = Graph.moveCoords[ 0 ] - Graph.clickCoords[ 0 ];
                    var y = Graph.moveCoords[ 1 ] - Graph.clickCoords[ 1 ];
 
                    Graph.abscissa[ 0 ] -= x / Graph.stepX;
                    Graph.abscissa[ 1 ] -= x / Graph.stepX;
                    Graph.ordered[ 0 ] += y / Graph.stepY;
                    Graph.ordered[ 1 ] += y / Graph.stepY;
 
                    Graph.clickCoords = Graph.moveCoords;
 
                    $( this ).data( "Graph", Graph );
 
                    draw( $( this ) );
                }
            });
        });
    };
})(jQuery);
 
$( "canvas[id^='graph']" ).jGraph();
 
 
/* Fin code du test */
 
            if ( debugBool ){
                console.log( ISOformat( new Date() ) );
 
                $( ".qunit" ).show();
 
                testQUnitSelector( "App", [ 
                    ".conteneur", '._1', '._2'
                ] );
 
                testQUnitID( "App", [ 
                    "qunit", "qunit-fixture"
                ] );
            }
 
        });
    </script>
</body>
</html> |