dojo.provide("dojo.widget.Rounded");
dojo.widget.tags.addParseTreeHandler("dojo:rounded");
dojo.require("dojo.widget.*");
dojo.require("dojo.widget.ContentPane");
dojo.require("dojo.html.style");
dojo.require("dojo.html.display");
dojo.require("dojo.gfx.color");
dojo.deprecated("dojo.widget.Rounded will be removed in version 0.5; you can now apply rounded corners to any block element using dojo.lfx.rounded.", "0.5");
/*
* The following script is derived (with permission) from curvyCorners,
* written by Cameron Cooke (CLA on file) and was adapted to Dojo by Brian
* Lucas (CLA on file)
*/
dojo.widget.defineWidget(
"dojo.widget.Rounded",
dojo.widget.ContentPane,
{
isSafari: dojo.render.html.safari,
boxMargin: "50px", // margin outside rounded corner box
radius: 14, // radius of corners
domNode: "",
corners: "TR,TL,BR,BL", // corner string to render
antiAlias: true, // false to disable anti-aliasing
fillInTemplate: function(args, frag) {
dojo.widget.Rounded.superclass.fillInTemplate.call(this, args, frag);
dojo.html.insertCssFile(this.templateCssPath);
// Magic to automatically calculate the box height/width if not supplied
if (this.domNode.style.height<=0) {
var minHeight = (this.radius*1)+this.domNode.clientHeight;
this.domNode.style.height = minHeight+"px";
}
if (this.domNode.style.width<=0) {
var minWidth = (this.radius*1)+this.domNode.clientWidth;
this.domNode.style.width = minWidth+"px";
}
var cornersAvailable = ["TR", "TL", "BR", "BL"];
var cornersPassed = this.corners.split(",");
this.settings = {
antiAlias: this.antiAlias
};
var setCorner = function(currentCorner) {
var val = currentCorner.toLowerCase();
if(dojo.lang.inArray(cornersPassed, currentCorner)) {
this.settings[val] = { radius: this.radius, enabled: true };
} else {
this.settings[val] = { radius: 0 }
}
}
dojo.lang.forEach(cornersAvailable, setCorner, this);
this.domNode.style.margin = this.boxMargin;
this.curvyCorners(this.settings);
this.applyCorners();
},
// ------------- curvyCorners OBJECT
curvyCorners: function(settings){
// Setup Globals
this.box = this.domNode;
this.topContainer = null;
this.bottomContainer = null;
this.masterCorners = [];
// Get box formatting details
var boxHeight = dojo.html.getStyle(this.box, "height");
if(boxHeight=="") boxHeight="0px";
var boxWidth = dojo.html.getStyle(this.box, "width");
var borderWidth = dojo.html.getStyle(this.box, "borderTopWidth");
if(borderWidth=="") borderWidth="0px";
//alert(borderWidth);
var borderColour = dojo.html.getStyle(this.box, "borderTopColor");
// Set to true if we have a border
if(borderWidth>0) this.antiAlias=true;
var boxColour = dojo.html.getStyle(this.box, "backgroundColor");
var backgroundImage = dojo.html.getStyle(this.box, "backgroundImage");
var boxPosition = dojo.html.getStyle(this.box, "position");
// Set formatting propertes
this.boxHeight = parseInt(((boxHeight != "" && boxHeight != "auto" && boxHeight.indexOf("%") == -1)? boxHeight.substring(0, boxHeight.indexOf("px")) : this.box.scrollHeight));
this.boxWidth = parseInt(((boxWidth != "" && boxWidth != "auto" && boxWidth.indexOf("%") == -1)? boxWidth.substring(0, boxWidth.indexOf("px")) : this.box.scrollWidth));
this.borderWidth = parseInt(((borderWidth != "" && borderWidth.indexOf("px") !== -1)? borderWidth.slice(0, borderWidth.indexOf("px")) : 0));
// DEBUG ME?
//dojo.debug(this.rgb2Hex(boxColour));
var test = new dojo.gfx.color.Color(boxColour);
//dojo.debug(test.toHex());
this.boxColour = ((boxColour != "" && boxColour != "transparent")? ((boxColour.substr(0, 3) == "rgb")? this.rgb2Hex(boxColour) : boxColour) : "#ffffff");
this.borderColour = ((borderColour != "" && borderColour != "transparent" && this.borderWidth > 0)? ((borderColour.substr(0, 3) == "rgb")? this.rgb2Hex(borderColour) : borderColour) : this.boxColour);
this.borderString = this.borderWidth + "px" + " solid " + this.borderColour;
this.backgroundImage = ((backgroundImage != "none")? backgroundImage : "");
// Make box relative if not already absolute
if(boxPosition != "absolute") this.box.style.position = "relative";
//This method creates the corners and
//applies them to the div element.
this.applyCorners = function() {
// Create top and bottom containers.
// These will be used as a parent for the corners and bars.
for(var t = 0; t < 2; t++) {
switch(t) {
// Top
case 0:
// Only build top bar if a top corner is to be draw
if(this.settings.tl.enabled || this.settings.tr.enabled ) {
var newMainContainer = document.createElement("DIV");
with(newMainContainer.style){
width = "100%";
fontSize = "1px";
overflow = "hidden";
position = "absolute";
//backgroundColor = "#FFFFC4";
paddingLeft = this.borderWidth + "px";
paddingRight = this.borderWidth + "px";
var topMaxRadius = Math.max(this.settings.tl ? this.settings.tl.radius : 0, this.settings.tr ? this.settings.tr.radius : 0);
height = topMaxRadius + "px";
top = 0 - topMaxRadius + "px";
left = 0 - this.borderWidth + "px";
}
this.topContainer = this.box.appendChild(newMainContainer);
}
break;
// Bottom
case 1:
// Only build bottom bar if a top corner is to be draw
if(this.settings.bl.enabled || this.settings.br.enabled) {
var newMainContainer = document.createElement("DIV");
with(newMainContainer.style){
width = "100%";
fontSize = "1px";
overflow = "hidden";
position = "absolute";
//backgroundColor = "#FFFFC4";
paddingLeft = this.borderWidth + "px";
paddingRight = this.borderWidth + "px";
var botMaxRadius = Math.max(this.settings.bl ? this.settings.bl.radius : 0, this.settings.br ? this.settings.br.radius : 0);
height = botMaxRadius + "px";
bottom = 0 - botMaxRadius + "px";
left = 0 - this.borderWidth + "px";
}
this.bottomContainer = this.box.appendChild(newMainContainer);
}
break;
}
}
// Turn off current borders
if(this.topContainer) this.box.style.borderTopWidth = "0px";
if(this.bottomContainer) this.box.style.borderBottomWidth = "0px";
// Create array of available corners
var corners = ["tr", "tl", "br", "bl"];
//Loop for each corner
for(var i in corners) {
// Get current corner type from array
var cc = corners[i];
// Has the user requested the currentCorner be round?
if(!this.settings[cc]) {
// No
if(((cc == "tr" || cc == "tl") && this.topContainer != null) || ((cc == "br" || cc == "bl") && this.bottomContainer != null)) {
// We need to create a filler div to fill the space upto the next horzontal corner.
var newCorner = document.createElement("DIV");
// Setup corners properties
newCorner.style.position = "relative";
newCorner.style.fontSize = "1px";
newCorner.style.overflow = "hidden";
// Add background image?
if(this.backgroundImage == "") {
newCorner.style.backgroundColor = this.boxColour;
} else {
newCorner.style.backgroundImage = this.backgroundImage;
}
switch(cc) {
case "tl":
with(newCorner.style){
height = topMaxRadius - this.borderWidth + "px";
marginRight = this.settings.tr.radius - (this.borderWidth*2) + "px";
borderLeft = this.borderString;
borderTop = this.borderString;
left = -this.borderWidth + "px";
}
break;
case "tr":
with(newCorner.style){
height = topMaxRadius - this.borderWidth + "px";
marginLeft = this.settings.tl.radius - (this.borderWidth*2) + "px";
borderRight = this.borderString;
borderTop = this.borderString;
backgroundPosition = "-" + this.boxWidth + "px 0px";
left = this.borderWidth + "px";
}
break;
case "bl":
with(newCorner.style){
height = botMaxRadius - this.borderWidth + "px";
marginRight = this.settings.br.radius - (this.borderWidth*2) + "px";
borderLeft = this.borderString;
borderBottom = this.borderString;
left = -this.borderWidth + "px";
}
break;
case "br":
with(newCorner.style){
height = botMaxRadius - this.borderWidth + "px";
marginLeft = this.settings.bl.radius - (this.borderWidth*2) + "px";
borderRight = this.borderString;
borderBottom = this.borderString;
left = this.borderWidth + "px"
}
break;
}
}
} else {
/*
PERFORMANCE NOTE:
If more than one corner is requested and a corner has been already
created for the same radius then that corner will be used as a master and cloned.
The pixel bars will then be repositioned to form the new corner type.
All new corners start as a bottom right corner.
*/
if(this.masterCorners[this.settings[cc].radius]) {
// Create clone of the master corner
var newCorner = this.masterCorners[this.settings[cc].radius].cloneNode(true);
} else {
// Yes, we need to create a new corner
var newCorner = document.createElement("DIV");
with(newCorner.style){
height = this.settings[cc].radius + "px";
width = this.settings[cc].radius + "px";
position = "absolute";
fontSize = "1px";
overflow = "hidden";
}
// THE FOLLOWING BLOCK OF CODE CREATES A ROUNDED CORNER
// ---------------------------------------------------- TOP
// Get border radius
var borderRadius = parseInt(this.settings[cc].radius - this.borderWidth);
// Cycle the x-axis
for(var intx = 0, j = this.settings[cc].radius; intx < j; intx++) {
// Calculate the value of y1 which identifies the pixels inside the border
if((intx +1) >= borderRadius) {
var y1 = -1;
} else {
var y1 = (Math.floor(Math.sqrt(Math.pow(borderRadius, 2) - Math.pow((intx+1), 2))) - 1);
}
// Only calculate y2 and y3 if there is a border defined
if(borderRadius != j) {
if((intx) >= borderRadius) {
var y2 = -1;
} else {
var y2 = Math.ceil(Math.sqrt(Math.pow(borderRadius,2) - Math.pow(intx, 2)));
}
if((intx+1) >= j) {
var y3 = -1;
} else {
var y3 = (Math.floor(Math.sqrt(Math.pow(j ,2) - Math.pow((intx+1), 2))) - 1);
}
}
// Calculate y4
if((intx) >= j) {
var y4 = -1;
} else {
var y4 = Math.ceil(Math.sqrt(Math.pow(j ,2) - Math.pow(intx, 2)));
}
// Draw bar on inside of the border with foreground colour
if(y1 > -1) this.drawPixel(intx, 0, this.boxColour, 100, (y1+1), newCorner, -1, this.settings[cc].radius);
// Only draw border/foreground antialiased pixels and border if there is a border defined
if(borderRadius != j) {
// Draw aa pixels?
if(this.antiAlias) {
// Cycle the y-axis
for(var inty = (y1 + 1); inty < y2; inty++) {
// For each of the pixels that need anti aliasing between the foreground and border colour draw single pixel divs
if(this.backgroundImage != "") {
var borderFract = (this.pixelFraction(intx, inty, borderRadius) * 100);
if (borderFract < 30) {
this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, 0, this.settings[cc].radius);
} else {
this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, -1, this.settings[cc].radius);
}
} else {
var pixelcolour = dojo.gfx.color.blend(this.boxColour, this.borderColour, this.pixelFraction(intx, inty, borderRadius));
this.drawPixel(intx, inty, pixelcolour, 100, 1, newCorner, 0, this.settings[cc].radius);
}
}
}
// Draw bar for the border
if(y3 >= y2) {
if (y1 == -1) {
y1 = 0;
}
this.drawPixel(intx, y2, this.borderColour, 100, (y3 - y2 + 1), newCorner, 0, this.settings[cc].radius);
}
// Set the colour for the outside curve
var outsideColour = this.borderColour;
} else {
// Set the coour for the outside curve
var outsideColour = this.boxColour;
var y3 = y1;
}
// Draw aa pixels?
if(this.antiAlias) {
// Cycle the y-axis and draw the anti aliased pixels on the
// outside of the curve
for(var inty = (y3 + 1); inty < y4; inty++) {
// For each of the pixels that need anti aliasing between
//the foreground/border colour & background draw single pixel divs
this.drawPixel(intx, inty, outsideColour, (this.pixelFraction(intx, inty , j) * 100), 1, newCorner, ((this.borderWidth > 0)? 0 : -1), this.settings[cc].radius);
}
}
}
// END OF CORNER CREATION
// ---------------------------------------------------- END
// We now need to store the current corner in the masterConers array
this.masterCorners[this.settings[cc].radius] = newCorner.cloneNode(true);
}
//Now we have a new corner we need to reposition all the pixels unless
//the current corner is the bottom right.
if(cc != "br") {
// Loop through all children (pixel bars)
for(var t = 0, k = newCorner.childNodes.length; t < k; t++) {
// Get current pixel bar
var pixelBar = newCorner.childNodes[t];
// Get current top and left properties
var pixelBarTop = parseInt(pixelBar.style.top.substring(0, pixelBar.style.top.indexOf("px")));
var pixelBarLeft = parseInt(pixelBar.style.left.substring(0, pixelBar.style.left.indexOf("px")));
var pixelBarHeight = parseInt(pixelBar.style.height.substring(0, pixelBar.style.height.indexOf("px")));
// Reposition pixels
if(cc == "tl" || cc == "bl") {
pixelBar.style.left = this.settings[cc].radius -pixelBarLeft -1 + "px"; // Left
}
if(cc == "tr" || cc == "tl") {
pixelBar.style.top = this.settings[cc].radius -pixelBarHeight -pixelBarTop + "px"; // Top
}
var value;
switch(cc) {
case "tr":
value = (-1 *( Math.abs((this.boxWidth - this.settings[cc].radius + this.borderWidth) + pixelBarLeft) - (Math.abs(this.settings[cc].radius -pixelBarHeight -pixelBarTop - this.borderWidth))));
pixelBar.style.backgroundPosition = value + "px";
break;
case "tl":
value = (-1 *( Math.abs((this.settings[cc].radius -pixelBarLeft -1) - this.borderWidth) - (Math.abs(this.settings[cc].radius -pixelBarHeight -pixelBarTop - this.borderWidth))));
pixelBar.style.backgroundPosition = value + "px";
break;
case "bl":
value = (-1 *( Math.abs((this.settings[cc].radius -pixelBarLeft -1) - this.borderWidth) - (Math.abs((this.boxHeight + this.settings[cc].radius + pixelBarTop) -this.borderWidth))));
pixelBar.style.backgroundPosition = value + "px";
break;
}
}
}
}
if(newCorner) {
// Position the container
switch(cc) {
case "tl":
if(newCorner.style.position == "absolute") newCorner.style.top = "0px";
if(newCorner.style.position == "absolute") newCorner.style.left = "0px";
if(this.topContainer) this.topContainer.appendChild(newCorner);
break;
case "tr":
if(newCorner.style.position == "absolute") newCorner.style.top = "0px";
if(newCorner.style.position == "absolute") newCorner.style.right = "0px";
if(this.topContainer) this.topContainer.appendChild(newCorner);
break;
case "bl":
if(newCorner.style.position == "absolute") newCorner.style.bottom = "0px";
if(newCorner.style.position == "absolute") newCorner.style.left = "0px";
if(this.bottomContainer) this.bottomContainer.appendChild(newCorner);
break;
case "br":
if(newCorner.style.position == "absolute") newCorner.style.bottom = "0px";
if(newCorner.style.position == "absolute") newCorner.style.right = "0px";
if(this.bottomContainer) this.bottomContainer.appendChild(newCorner);
break;
}
}
}
//The last thing to do is draw the rest of the filler DIVs.
//We only need to create a filler DIVs when two corners have
//diffrent radiuses in either the top or bottom container.
// Find out which corner has the biiger radius and get the difference amount
var radiusDiff = [];
radiusDiff["t"] = this.settings.tl.enabled && this.settings.tr.enabled ? Math.abs(this.settings.tl.radius - this.settings.tr.radius) : 0;
radiusDiff["b"] = this.settings.bl.enabled && this.settings.br.enabled ? Math.abs(this.settings.bl.radius - this.settings.br.radius) : 0;
for(var z in radiusDiff) {
if(radiusDiff[z]) {
// Get the type of corner that is the smaller one
var smallerCornerType = ((this.settings[z + "l"].radius < this.settings[z + "r"].radius)? z +"l" : z +"r");
// First we need to create a DIV for the space under the smaller corner
var newFiller = document.createElement("DIV");
with(newFiller.style) {
height = radiusDiff[z] + "px";
width = this.settings[smallerCornerType].radius+ "px"
position = "absolute";
fontSize = "1px";
overflow = "hidden";
backgroundColor = this.boxColour;
}
// Position filler
switch(smallerCornerType) {
case "tl":
with(newFiller.style) {
bottom = "0px";
left = "0px";
borderLeft = this.borderString;
}
this.topContainer.appendChild(newFiller);
break;
case "tr":
with(newFiller.style) {
bottom = "0px";
right = "0px";
borderRight = this.borderString;
}
this.topContainer.appendChild(newFiller);
break;
case "bl":
with(newFiller.style) {
top = "0px";
left = "0px";
borderLeft = this.borderString;
}
this.bottomContainer.appendChild(newFiller);
break;
case "br":
with(newFiller.style) {
top = "0px";
right = "0px";
borderRight = this.borderString;
}
this.bottomContainer.appendChild(newFiller);
break;
}
}
// Create the bar to fill the gap between each corner horizontally
var newFillerBar = document.createElement("DIV");
with(newFillerBar.style) {
position = "relative";
fontSize = "1px";
overflow = "hidden";
backgroundColor = this.boxColour;
}
switch(z) {
case "t":
// Top Bar
if(this.topContainer) {
with(newFillerBar.style) {
height = topMaxRadius - this.borderWidth + "px";
marginLeft = this.settings.tl.radius - this.borderWidth + "px";
marginRight = this.settings.tr.radius - this.borderWidth + "px";
borderTop = this.borderString;
}
this.topContainer.appendChild(newFillerBar);
}
break;
case "b":
if(this.bottomContainer) {
// Bottom Bar
with(newFillerBar.style) {
height = botMaxRadius - this.borderWidth + "px";
marginLeft = this.settings.bl.radius - this.borderWidth + "px";
marginRight = this.settings.br.radius - this.borderWidth + "px";
borderBottom = this.borderString;
}
this.bottomContainer.appendChild(newFillerBar);
}
break;
}
}
}
// This function draws the pixles
this.drawPixel = function(intx, inty, colour, transAmount, height, newCorner, image, cornerRadius) {
// Create pixel
var pixel = document.createElement("DIV");
// Section doesn't like with (pixel.style) { DEBUG?
pixel.style.height = height + "px";
pixel.style.width = "1px";
pixel.style.position = "absolute";
pixel.style.fontSize = "1px";
pixel.style.overflow = "hidden";
// Dont apply background image to border pixels
if(image == -1 && this.backgroundImage != "") {
pixel.style.backgroundImage = this.backgroundImage;
pixel.style.backgroundPosition = "-" + (this.boxWidth - (cornerRadius - intx) + this.borderWidth) + "px -" + ((this.boxHeight + cornerRadius + inty) -this.borderWidth) + "px";
} else {
pixel.style.backgroundColor = colour;
}
// Set opacity if the transparency is anything other than 100
if (transAmount != 100) {
dojo.html.setOpacity(pixel, transAmount);
}
// Set the pixels position
pixel.style.top = inty + "px";
pixel.style.left = intx + "px";
newCorner.appendChild(pixel);
}
},
//For a pixel cut by the line determines the fraction of the pixel on the 'inside' of the
//line. Returns a number between 0 and 1
pixelFraction: function(x, y, r) {
var pixelfraction = 0;
//determine the co-ordinates of the two points on the perimeter of the pixel that the
//circle crosses
var xvalues = [];
var yvalues = [];
var point = 0;
var whatsides = "";
// x + 0 = Left
var intersect = Math.sqrt((Math.pow(r,2) - Math.pow(x,2)));
if ((intersect >= y) && (intersect < (y+1))) {
whatsides = "Left";
xvalues[point] = 0;
yvalues[point] = intersect - y;
point = point + 1;
}
// y + 1 = Top
var intersect = Math.sqrt((Math.pow(r,2) - Math.pow(y+1,2)));
if ((intersect >= x) && (intersect < (x+1))) {
whatsides = whatsides + "Top";
xvalues[point] = intersect - x;
yvalues[point] = 1;
point = point + 1;
}
// x + 1 = Right
var intersect = Math.sqrt((Math.pow(r,2) - Math.pow(x+1,2)));
if ((intersect >= y) && (intersect < (y+1))) {
whatsides = whatsides + "Right";
xvalues[point] = 1;
yvalues[point] = intersect - y;
point = point + 1;
}
// y + 0 = Bottom
var intersect = Math.sqrt((Math.pow(r,2) - Math.pow(y,2)));
if ((intersect >= x) && (intersect < (x+1))) {
whatsides = whatsides + "Bottom";
xvalues[point] = intersect - x;
yvalues[point] = 0;
}
//depending on which sides of the perimeter of the pixel the circle crosses calculate the
//fraction of the pixel inside the circle
switch (whatsides) {
case "LeftRight":
pixelfraction = Math.min(yvalues[0],yvalues[1]) + ((Math.max(yvalues[0],yvalues[1]) - Math.min(yvalues[0],yvalues[1]))/2);
break;
case "TopRight":
pixelfraction = 1-(((1-xvalues[0])*(1-yvalues[1]))/2);
break;
case "TopBottom":
pixelfraction = Math.min(xvalues[0],xvalues[1]) + ((Math.max(xvalues[0],xvalues[1]) - Math.min(xvalues[0],xvalues[1]))/2);
break;
case "LeftBottom":
pixelfraction = (yvalues[0]*xvalues[1])/2;
break;
default:
pixelfraction = 1;
}
return pixelfraction;
},
// This function converts CSS rgb(x, x, x) to hexadecimal
rgb2Hex: function (rgbColour) {
try{
// Get array of RGB values
var rgbArray = this.rgb2Array(rgbColour);
// Get RGB values
var red = parseInt(rgbArray[0]);
var green = parseInt(rgbArray[1]);
var blue = parseInt(rgbArray[2]);
// Build hex colour code
var hexColour = "#" + this.intToHex(red) + this.intToHex(green) + this.intToHex(blue);
}
catch(e){ alert("There was an error converting the RGB value to Hexadecimal in function rgb2Hex");
}
return hexColour;
},
//Converts a number to hexadecimal format
intToHex: function (strNum) {
var base = strNum / 16;
var rem = strNum % 16;
var base = base - (rem / 16);
var baseS = this.makeHex(base);
var remS = this.makeHex(rem);
return baseS + '' + remS;
},
//gets the hex bits of a number
makeHex: function(x) {
if((x >= 0) && (x <= 9)) {
return x;
} else {
switch(x) {
case 10: return "A";
case 11: return "B";
case 12: return "C";
case 13: return "D";
case 14: return "E";
case 15: return "F";
}
}
},
// Returns an array of rbg values
rgb2Array: function(rgbColour) {
// Remove rgb()
var rgbValues = rgbColour.substring(4, rgbColour.indexOf(")"));
// Split RGB into array
var rgbArray = rgbValues.split(", ");
return rgbArray;
}
}); // end function