编程 PHP

VML绘图板②脚本--VMLgraph.js、XMLtool.js

Posted in PHP onOctober 09, 2006

脚本
*************
* VMLgraph.js
*************
var xo=0;
var yo=0;
var ox=80;
var oy=20;
var dx=0;
var dy=0;
var drawKey = false;
var itemID = 0;
var ShapeItemNum = 0;
var ShapeItemX = 0;
var ShapeItemY = 0;
var CurveItemNum = 0;
var NodeDelete = false;
var ToolBarNum = 2; // 预置的工具编号
var gradientX = -1;

function cursor(k) {
  xo = event.clientX - ox;
  yo = event.clientY - oy;
  if(k && xo>=0 && yo>=0)
    oxy.innerHTML = xo+","+yo;
  else
    oxy.innerHTML = "";
  if(drawKey) {
    paint();
    view.innerHTML = tree(canvas.documentElement,0);
  }
}

function setElement(node) {
  node.setAttribute("id") = itemID;
  node.setAttribute("myColor") = "#";
  node.setAttribute("onMouseOver") = "setOverColor(this)";
  node.setAttribute("onMouseOut") = "setOutColor(this)";
  node.setAttribute("onClick") = "deleteNode(this)";

  var subobjField = canvas.createElement("v:stroke");
  subobjField.setAttribute("color") = color1.fillcolor;
  subobjField.setAttribute("dashstyle") = dashstyle.dashstyle;
  node.appendChild(subobjField);
  if(textbox.style.visibility == "visible" && txt.value.length) {
    var subobjField = canvas.createElement("v:path");
    subobjField.setAttribute("textpathok") = "true";
    node.appendChild(subobjField);
    var subobjField = canvas.createElement("v:textpath");
    subobjField.setAttribute("on") = "true";
    subobjField.setAttribute("string") = txt.value;
    subobjField.setAttribute("style") = "font:normal normal normal 16pt 'Arial Black'";
    node.appendChild(subobjField);
  }
  canvas.documentElement.childNodes[0].appendChild(node);
}

}

function init() {
  tool_box_refresh();  // 工具栏初始
  view.innerHTML = tree(canvas.documentElement);  // 绘图区初始
  color.innerHTML = tree(tools.selectNodes("*/colorbar")[0]);  // 颜色选择初始
  linebox.innerHTML = tree(tools.selectNodes("*/linebox")[0]);  // 线型选择初始
  gradientBox.innerHTML = tree(tools.selectNodes("*/gradient")[0]);  // 充填选择初始
}

// 绘制工具栏
function tool_box_refresh() {
  var buffer = "";
  var i;
  for(i=0;i<tools.selectNodes("*/toolbar").length;i++) {
    var node = tools.selectNodes("*/toolbar")[i];
    var id = node.getAttribute("id");
    node.childNodes[0].setAttribute("onClick") = "tool_box_select("+id+",this.title)";
    var node1 = node.selectNodes("*/v:rect")[0];
    if(id == ToolBarNum) {
      node1.setAttribute("fillcolor") = "#ffcccc"
      node1.setAttribute("strokecolor") = "#ff0000"
    }else {
      node1.setAttribute("fillcolor") = "#ffffff"
      node1.setAttribute("strokecolor") = "#000000"
    }
    buffer += tree(node.childNodes[0]);
  }
  toolbox.innerHTML = buffer;
}

// 工具选择
function tool_box_select(v,t) {
  var key = ToolBarNum;
  ToolBarNum = v;
  tool_box_refresh();
  hooke();
  if(v == 7) {
    if(key == 7 && ShapeItemNum > 0) {
      Element = canvas.documentElement.childNodes[0].lastChild;
      var str = Element.getAttribute("path");
      Element.setAttribute("path") = str + " x e";
      view.innerHTML = tree(canvas.documentElement,0);
      ShapeItemNum = 0;
    }
  }
  if(v == 10)
    if(textbox.style.visibility == "hidden")
      textbox.style.visibility = "visible";
    else
      textbox.style.visibility = "hidden";
  NodeDelete = false;
  if(v == 1) {
    NodeDelete = true;
    view.innerHTML = tree(canvas.documentElement,0);
  }
}

// 颜色选择
//var setcolorkey = color1;
function setcolor(c) {
var setcolorkey = color1;
setcolorkey.fillcolor = c;
}

function gradientRefresh() {
  var m = (parseInt(gradient4.style.left)-parseInt(gradient1.style.left));
  var n1 = (parseInt(gradient2.style.left)-parseInt(gradient1.style.left))/m*100;
  var n2 = (parseInt(gradient3.style.left)-parseInt(gradient1.style.left))/m*100;
  gradientBar.color.value = gradient1.fillcolor;
  gradientBar.color2.value = gradient4.fillcolor;
  if(type3.style.borderColor == "black")
    gradientBar.colors.value = ",";
  else
    gradientBar.colors.value = n1 + "% " + gradient2.fillcolor + "," + n2 + "% " + gradient3.fillcolor;
  if(type1.style.borderColor == "black")
    gradientBar.type = "solid";
  else
    gradientBar.type = "gradient";
  if(type2.style.borderColor == "red")
    gradientBar.type = "gradientradial";
  n1 = (parseInt(focus1.style.left)-8)/m*100;
  n2 = (parseInt(focus2.style.left)-8)/m*100;
  gradientBar.focusposition.value = n1 + "%," + n2 + "%";
  gradientBar.angle = (parseInt(angle.style.left)-8) * 3.6;
  gradientBar.opacity = (parseInt(opacity.style.left)-8)/m
}

*************
* XMLtool.js
*************

// 传送XML文档到服务器
function saveXML()
{
  var xmlHTTP = new ActiveXObject("Microsoft.XMLHTTP");
  xmlHTTP.open("POST","server.php",false); // 使用ASP时用server.asp
  xmlHTTP.setRequestHeader("Contrn-type","text/xml");
  xmlHTTP.setRequestHeader("Contrn-charset","gb2312");

  xmlHTTP.send(tree(canvas.documentElement));
  var s = xmlHTTP.responseText;
  minview.innerHTML = s.replace(/WIDTH:500;HEIGHT:300/,"WIDTH:120;HEIGHT:72")
  if(xmlHTTP.responseText.indexOf("Error:")!=-1) {
    alert(xmlHTTP.responseText);
  }
}

// 遍历xml对象，解析xml的核心函数集
function tree(Element,debug) {
  var buffer = "";
  var node = "";
  if(Element.nodeType != 3) {
    node = Element;
    buffer += onElement(Element,debug);
  }
  if(Element.nodeType == 3)
    buffer += onData(Element);
  if(Element.hasChildNodes) {
    for(var i=0;i<Element.childNodes.length;i++) {
      buffer += tree(Element.childNodes(i),debug);
    }
  }
  if(node)
    buffer += endElement(node,debug);
  return buffer;
}

/***** 以下三个函数请根据需要自行修改 *****/
// 遍历xml对象--节点开始
function onElement(Element,debug) {
  var buffer = (debug ? "<" : "<") + Element.nodeName;
  n = Element.attributes.length
  if(n>0) {  // 若该节点有参数
    for(var i=0;i<n;i++)
      buffer += ' ' + Element.attributes(i).name + '=\"' + Element.attributes(i).value + '"';
  }
  buffer += debug ? ">" : ">";
  return buffer;
}

// 遍历xml对象--节点结束
function endElement(Element,debug) {
return (debug ? "</" : "</") + Element.nodeName + (debug ? "><br>" : ">");
}

// 遍历xml对象--节点数据
function onData(Element) {
return Element.nodeValue
}

VML绘图板②脚本--VMLgraph.js、XMLtool.js

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