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/*
        Copyright (c) 2004-2006, The Dojo Foundation
        All Rights Reserved.

        Licensed under the Academic Free License version 2.1 or above OR the
        modified BSD license. For more information on Dojo licensing, see:

                http://dojotoolkit.org/community/licensing.shtml
*/



dojo.provide("dojo.charting.vml.Axis");
dojo.require("dojo.lang.common");
if (dojo.render.vml.capable) {
        dojo.extend(dojo.charting.Axis, {renderLines:function (plotArea, plot, plane) {
                if (this.nodes.lines) {
                        while (this.nodes.lines.childNodes.length > 0) {
                                this.nodes.lines.removeChild(this.nodes.lines.childNodes[0]);
                        }
                        if (this.nodes.lines.parentNode) {
                                this.nodes.lines.parentNode.removeChild(this.nodes.lines);
                                this.nodes.lines = null;
                        }
                }
                var area = plotArea.getArea();
                var g = this.nodes.lines = document.createElement("div");
                g.setAttribute("id", this.getId() + "-lines");
                for (var i = 0; i < this._labels.length; i++) {
                        if (this._labels[i].value == this.origin) {
                                continue;
                        }
                        var v = this.getCoord(this._labels[i].value, plotArea, plot);
                        var l = document.createElement("v:line");
                        var str = document.createElement("v:stroke");
                        str.dashstyle = "dot";
                        l.appendChild(str);
                        l.setAttribute("strokecolor", "#666");
                        l.setAttribute("strokeweight", "1px");
                        var s = l.style;
                        s.position = "absolute";
                        s.top = "0px";
                        s.left = "0px";
                        s.antialias = "false";
                        if (plane == "x") {
                                l.setAttribute("from", v + "px," + area.top + "px");
                                l.setAttribute("to", v + "px," + area.bottom + "px");
                        } else {
                                if (plane == "y") {
                                        l.setAttribute("from", area.left + "px," + v + "px");
                                        l.setAttribute("to", area.right + "px," + v + "px");
                                }
                        }
                        g.appendChild(l);
                }
                return g;
        }, renderTicks:function (plotArea, plot, plane, coord) {
                if (this.nodes.ticks) {
                        while (this.nodes.ticks.childNodes.length > 0) {
                                this.nodes.ticks.removeChild(this.nodes.ticks.childNodes[0]);
                        }
                        if (this.nodes.ticks.parentNode) {
                                this.nodes.ticks.parentNode.removeChild(this.nodes.ticks);
                                this.nodes.ticks = null;
                        }
                }
                var g = this.nodes.ticks = document.createElement("div");
                g.setAttribute("id", this.getId() + "-ticks");
                for (var i = 0; i < this._labels.length; i++) {
                        var v = this.getCoord(this._labels[i].value, plotArea, plot);
                        var l = document.createElement("v:line");
                        l.setAttribute("strokecolor", "#000");
                        l.setAttribute("strokeweight", "1px");
                        var s = l.style;
                        s.position = "absolute";
                        s.top = "0px";
                        s.left = "0px";
                        s.antialias = "false";
                        if (plane == "x") {
                                l.setAttribute("from", v + "px," + coord + "px");
                                l.setAttribute("to", v + "px," + (coord + 3) + "px");
                        } else {
                                if (plane == "y") {
                                        l.setAttribute("from", (coord - 2) + "px," + v + "px");
                                        l.setAttribute("to", (coord + 2) + "px," + v + "px");
                                }
                        }
                        g.appendChild(l);
                }
                return g;
        }, renderLabels:function (plotArea, plot, plane, coord, textSize, anchor) {
                function createLabel(label, x, y, textSize, anchor) {
                        var text = document.createElement("div");
                        var s = text.style;
                        text.innerHTML = label;
                        s.fontSize = textSize + "px";
                        s.fontFamily = "sans-serif";
                        s.position = "absolute";
                        s.top = y + "px";
                        if (anchor == "center") {
                                s.left = x + "px";
                                s.textAlign = "center";
                        } else {
                                if (anchor == "left") {
                                        s.left = x + "px";
                                        s.textAlign = "left";
                                } else {
                                        if (anchor == "right") {
                                                s.right = x + "px";
                                                s.textAlign = "right";
                                        }
                                }
                        }
                        return text;
                }
                if (this.nodes.labels) {
                        while (this.nodes.labels.childNodes.length > 0) {
                                this.nodes.labels.removeChild(this.nodes.labels.childNodes[0]);
                        }
                        if (this.nodes.labels.parentNode) {
                                this.nodes.labels.parentNode.removeChild(this.nodes.labels);
                                this.nodes.labels = null;
                        }
                }
                var g = this.nodes.labels = document.createElement("div");
                g.setAttribute("id", this.getId() + "-labels");
                for (var i = 0; i < this._labels.length; i++) {
                        var v = this.getCoord(this._labels[i].value, plotArea, plot);
                        if (plane == "x") {
                                var node = createLabel(this._labels[i].label, v, coord, textSize, anchor);
                                document.body.appendChild(node);
                                node.style.left = v - (node.offsetWidth / 2) + "px";
                                g.appendChild(node);
                        } else {
                                if (plane == "y") {
                                        var node = createLabel(this._labels[i].label, coord, v, textSize, anchor);
                                        document.body.appendChild(node);
                                        node.style.top = v - (node.offsetHeight / 2) + "px";
                                        g.appendChild(node);
                                }
                        }
                }
                return g;
        }, render:function (plotArea, plot, drawAgainst, plane) {
                if (!this._rerender && this.nodes.main) {
                        return this.nodes.main;
                }
                this._rerender = false;
                var area = plotArea.getArea();
                var stroke = 1;
                var style = "stroke:#000;stroke-width:" + stroke + "px;";
                var textSize = 10;
                var coord = drawAgainst.getCoord(this.origin, plotArea, plot);
                var g = this.nodes.main = document.createElement("div");
                g.setAttribute("id", this.getId());
                var line = this.nodes.axis = document.createElement("v:line");
                line.setAttribute("strokecolor", "#000");
                line.setAttribute("strokeweight", stroke + "px");
                var s = line.style;
                s.position = "absolute";
                s.top = "0px";
                s.left = "0px";
                s.antialias = "false";
                if (plane == "x") {
                        line.setAttribute("from", area.left + "px," + coord + "px");
                        line.setAttribute("to", area.right + "px," + coord + "px");
                        var y = coord + Math.floor(textSize / 2);
                        if (this.showLines) {
                                g.appendChild(this.renderLines(plotArea, plot, plane, y));
                        }
                        if (this.showTicks) {
                                g.appendChild(this.renderTicks(plotArea, plot, plane, coord));
                        }
                        if (this.showLabels) {
                                g.appendChild(this.renderLabels(plotArea, plot, plane, y, textSize, "center"));
                        }
                        if (this.showLabel && this.label) {
                                var x = plotArea.size.width / 2;
                                var y = coord + Math.round(textSize * 1.5);
                                var text = document.createElement("div");
                                var s = text.style;
                                text.innerHTML = this.label;
                                s.fontSize = (textSize + 2) + "px";
                                s.fontFamily = "sans-serif";
                                s.fontWeight = "bold";
                                s.position = "absolute";
                                s.top = y + "px";
                                s.left = x + "px";
                                s.textAlign = "center";
                                document.body.appendChild(text);
                                text.style.left = x - (text.offsetWidth / 2) + "px";
                                g.appendChild(text);
                        }
                } else {
                        line.setAttribute("from", coord + "px," + area.top + "px");
                        line.setAttribute("to", coord + "px," + area.bottom + "px");
                        var isMax = this.origin == drawAgainst.range.upper;
                        var x = coord + 4;
                        var anchor = "left";
                        if (!isMax) {
                                x = area.right - coord + textSize + 4;
                                anchor = "right";
                                if (coord == area.left) {
                                        x += (textSize * 2) - (textSize / 2);
                                }
                        }
                        if (this.showLines) {
                                g.appendChild(this.renderLines(plotArea, plot, plane, x));
                        }
                        if (this.showTicks) {
                                g.appendChild(this.renderTicks(plotArea, plot, plane, coord));
                        }
                        if (this.showLabels) {
                                g.appendChild(this.renderLabels(plotArea, plot, plane, x, textSize, anchor));
                        }
                        if (this.showLabel && this.label) {
                                x += (textSize * 2) - 2;
                                var y = plotArea.size.height / 2;
                                var text = document.createElement("div");
                                var s = text.style;
                                text.innerHTML = this.label;
                                s.fontSize = (textSize + 2) + "px";
                                s.fontFamily = "sans-serif";
                                s.fontWeight = "bold";
                                s.position = "absolute";
                                s.height = plotArea.size.height + "px";
                                s.writingMode = "tb-rl";
                                s.textAlign = "center";
                                s[anchor] = x + "px";
                                document.body.appendChild(text);
                                s.top = y - (text.offsetHeight / 2) + "px";
                                g.appendChild(text);
                        }
                }
                g.appendChild(line);
                return g;
        }});
}