TdrawSvgA

// ZC: Draw自己画图的 基类
// ZC: 当做静态类来使用

function TdrawSvgA()
{}

TdrawSvgA.prototype =
{
    IfExist_byId : function(_svgdoc, _strId)
    {
        if (! _strId)
            return null;

        return _svgdoc.getElementById(_strId);
    },

    // ***

    DrawG : function(_svgdoc, _strSvgNS, _SVGElementParent, _strId)
    {
        var diceleExist = TdrawSvgA.prototype.IfExist_byId.call(this, _strId)
        if (diceleExist)
            return diceleExist;

        // ***

        var g = _svgdoc.createElementNS(_strSvgNS, "g");
        _SVGElementParent.appendChild(g);

        if (_strId)
            g.setAttribute("id", _strId);
        return g;
    },
    
    DrawLine : function(_svgdoc, _strSvgNS, _SVGElementParent, 
            _strId, _iX1, _iY1, _iX2, _iY2)
    {
        var diceleExist = TdrawSvgA.prototype.IfExist_byId.call(this, _strId)
        if (diceleExist)
            return diceleExist;

        // ***

        var line = _svgdoc.createElementNS(_strSvgNS, "line");
        _SVGElementParent.appendChild(line);

        if (_strId)
            line.setAttribute("id", _strId);
        line.setAttribute("x1", _iX1+"");
        line.setAttribute("y1", _iY1+"");
        line.setAttribute("x2", _iX2+"");
        line.setAttribute("y2", _iY2+"");
        
        return line;
    },
    
    DrawPolyLine : function(_svgdoc, _strSvgNS, _SVGElementParent,
        _strId, _strPoints)
    {
        var diceleExist = TdrawSvgA.prototype.IfExist_byId.call(this, _strId)
        if (diceleExist)
            return diceleExist;

        // ***

        var polyline = _svgdoc.createElementNS(_strSvgNS, "polyline");
        _SVGElementParent.appendChild(polyline);

        if (_strId)
            polyline.setAttribute("id", _strId);
        polyline.setAttribute("points", _strPoints);
        return polyline;
    },

    DrawRect : function(_svgdoc, _strSvgNS, _SVGElementParent,
        _strId, _dX, _dY, _dWidth, _dHeight)
    {
        var diceleExist = TdrawSvgA.prototype.IfExist_byId.call(this, _strId)
        if (diceleExist)
            return diceleExist;

        // ***

        var rect01 = _svgdoc.createElementNS(_strSvgNS, "rect");
        _SVGElementParent.appendChild(rect01);

        if (_strId)
            rect01.setAttribute("id", _strId);
        rect01.setAttribute("x", _dX+"");
        rect01.setAttribute("y", _dY+"");
        rect01.setAttribute("width", _dWidth+"");
        rect01.setAttribute("height", _dHeight+"");
        return rect01;
    },
    
    DrawUse : function(_svgdoc, _strSvgNS, _SVGElementParent, 
            _strId,
            _strSvgNsXlink, _strXlinkHref,
            _iX, _iY, _iWidth, _iHeight)
    {
        var diceleExist = TdrawSvgA.prototype.IfExist_byId.call(this, _strId)
        if (diceleExist)
            return diceleExist;

        // ***

        var use01 = _svgdoc.createElementNS(_strSvgNS, "use");
        _SVGElementParent.appendChild(use01);

        if (_strId)
            use01.setAttribute("id", _strId);
        
        use01.setAttributeNS(_strSvgNsXlink, "xlink:href", _strXlinkHref);
        //use01.setAttribute("xlink:href", _strXlinkHref);

        use01.setAttribute("x", _iX+"");
        use01.setAttribute("y", _iY+"");
        use01.setAttribute("width", _iWidth+"");
        use01.setAttribute("height",_iHeight+"");

        return use01;
    },

    DrawSymbol : function(_svgdoc, _strSvgNS, _SVGElementParent, _strSymbolId/*, _strSymbolText*/)
    {
        var diceleExist = TdrawSvgA.prototype.IfExist_byId.call(this, _strSymbolId)
        if (diceleExist)
            return diceleExist;

        // ***
        
        var symbol = _svgdoc.createElementNS(_strSvgNS, "symbol");
        // ... 待续

        return symbol;
    },
    
// *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
// ZC: 画 <text/>
    
    //<text font-size="16" font-family="SimSun" stroke="rgb(0, 0, 0)" stroke-width="0.533333333333333" writing-mode="tb"
    //x="2115.86160000041" y="1122.78820000291"
    //transform="rotate(360.000000, 2115.861600, 1122.788200)" class=".Text">H213</text>
    
    DrawText_01 : function(_svgdoc, _strSvgNS, _SVGElementParent,
            _strId,
            _iX, _iY,
            _strFontSize, _strFontFamily,
            _strWritingMode, _strTextContent)
    {
        var diceleExist = TdrawSvgA.prototype.IfExist_byId.call(this, _strId)
        if (diceleExist)
            return diceleExist;

        // ***

        var text01 = _svgdoc.createElementNS(_strSvgNS, "text");
        _SVGElementParent.appendChild(text01);
        
        if (_strId)
            text01.setAttribute("id", _strId);
        text01.setAttribute("x", _iX+"");
        text01.setAttribute("y", _iY+"");
        
        text01.setAttribute("font-size", _strFontSize);
        text01.setAttribute("font-family", _strFontFamily);
        
        if (_strWritingMode)
            text01.setAttribute("writing-mode", _strWritingMode);
        //text01.setAttribute("", "");
        
        //console.log("ADrawText_01 --> _strTextContent : "+_strTextContent);
        text01.textContent = _strTextContent;
        //text01.innerHTML = _strTextContent;
        
        return text01;
    },
    
// *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
    
    DrawStroke : function(_SVGElement, _strStroke, _iStrokeWidth)
    {
        if (_strStroke)
            _SVGElement.setAttribute("stroke", _strStroke);
        if (_iStrokeWidth)
            _SVGElement.setAttribute("stroke-width", _iStrokeWidth+"");
    },
    
    DrawFill : function(_SVGElement, _strFill, _iFillOpacity)
    {
        if (_strFill)
            _SVGElement.setAttribute("fill", _strFill);
        if (_iFillOpacity)
            _SVGElement.setAttribute("fill-opacity", _iFillOpacity+"");
    },
    
    DrawTransform : function(_SVGElement, _strTransform)
    {
        if (_strTransform)
            _SVGElement.setAttribute("transform", _strTransform);
    },
};