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Window.js
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1229 lines (990 loc) · 37.4 KB
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if(!javaxt) var javaxt={};
if(!javaxt.dhtml) javaxt.dhtml={};
//******************************************************************************
//** Window
//******************************************************************************
/**
* Window control that can be used to create dialogs, alerts, etc. The window
* consists of a header, body, footer, and mask.
* <br/>
* Here's a simple example of how to instantiate a resizable window:
<pre>
var window = new javaxt.dhtml.Window(document.body, {
title: "Window Test",
width: 400,
height: 200,
modal: false,
resizable: true
});
</pre>
* Once the window is instantiated you can call any of the public methods.
* You can also add event listeners by overriding any of the public "on" or
* "before" methods like this:
<pre>
window.open();
window.onResize = function(){
console.log(window.getWidth(), window.getHeight());
};
</pre>
*
******************************************************************************/
javaxt.dhtml.Window = function(parent, config) {
this.className = "javaxt.dhtml.Window";
var me = this;
var defaultConfig = {
/** DOM element or string rendered in the header. Note that this config
* is optional and can be set after the Window has been instantiated.
* See setTitle().
*/
title: false,
/** DOM element or string rendered in the body. Note that this config is
* optional and can be set after the Window has been instantiated. See
* setBody().
*/
body: null,
/** DOM element or string rendered in the footer. Note that this config
* is optional and can be set after the Window has been instantiated.
* See setFooter().
*/
footer: null,
/** Buttons to put in the footer. Only rendered if no "footer" config is
* defined. Example:
<pre>
buttons: [
{
name: "OK",
onclick: function(){
win.close();
}
}
]
</pre>
*/
buttons: [],
/** Initial width of the window, in pixels.
*/
width: null,
/** Initial height of the window, in pixels.
*/
height: null,
/** If true, will render a mask directly behind the window to prevent
* users from interacting with any other part of the window's parent.
* Default is false.
*/
modal: false,
/** If true, users can resize the window using resize handles along the
* border of the window. Default is true.
*/
resizable: true,
/** If true, will add a button to the header that will close the window
* when clicked. Default is true.
*/
closable: true,
/** If true, will allow users to move the window around by dragging the
* window header. Default is true.
*/
movable: true,
/** If true, will resize window if it is larger that the parent. Default
* is false.
*/
shrinkToFit: false,
/** Vertical align hint used when rendering the window. Options include
* "top" and "middle" (default).
*/
valign: "middle",
/** Style for individual elements within the component. Note that you can
* provide CSS class names instead of individual style definitions.
*/
style: {
//Panel Style
panel: {
fontFamily: "helvetica,arial,verdana,sans-serif", //"tahoma,arial,verdana,sans-serif",
background: "#ffffff",
border: "1px solid #b4cbdd",
borderRadius: "5px",
display: "inline-block",
boxShadow: "0 12px 14px 0 rgba(0, 0, 0, 0.2), 0 13px 20px 0 rgba(0, 0, 0, 0.2)",
minWidth: "50px"
//rgba(0, 0, 0, 0.2) 0px 2px 4px 0px, rgba(0, 0, 0, 0.2) 0px 3px 2px 0px
},
//Window header
header: {
background: "#d9e7f8",
height: "28px",
borderRadius: "4px 4px 0 0", //top left and righ radius should match the panel radius
border: "1px solid #ecf2fb",
borderBottom: "1px solid #b4cbdd"
},
//Title (header)
title: {
position: "absolute",
width: "100%",
whiteSpace: "nowrap",
fontSize: "14px",
fontWeight: "bold",
color: "#04468C",
textAlign: "left",
cursor: "default",
padding: "5px"
},
//App icon (header)
icon: {
float: "left"
},
//Container for buttons in the header
buttonBar: {
//float: "right",
position: "absolute",
right: 0,
padding: "5px"
},
//Style for individual buttons in the header
button: {
width: "16px",
height: "16px",
border: "1px solid #cccccc",
borderRadius: "3px",
background: "#F6F6F6",
color: "#6f6f6f",
cursor: "default"
},
closeIcon: {
//content: "✖",
content: "✕",
lineHeight: "16px",
textAlign: "center"
},
body: {
padding: "7px",
verticalAlign: "top",
color: "#484848"
},
footer: {
},
footerButtonBar: {
display: "inline-block",
float: "right",
padding: "7px 7px 14px 7px"
},
//Style for individual buttons in the button bar (footer)
footerButton: {
borderRadius: "3px",
color: "#363636",
display: "inline-block",
fontSize: "14px",
width: "80px",
height: "26px",
lineHeight: "26px",
verticalAlign: "middle",
textAlign: "center",
backgroundColor: "#e4e4e4",
border: "1px solid #b4b4b4",
boxShadow: "0 2px 4px 0 rgba(0, 0, 0, 0.2)",
textShadow: "1px 1px 0px rgb(255, 255, 255)",
cursor: "pointer",
marginLeft: "7px"
},
resizeHandle: {
//should be about 20x20 px with rounded corner to match window
},
mask: {
background: "rgba(0,0,0,0.1)"
}
},
renderers: {
headerButtons: createHeaderButtons
}
};
var mainDiv, header, body, footer, buttonRow, mask;
var titleDiv, iconDiv, buttonDiv; //header elements
var recenter = true;
var visible = false;
var seen = false;
var overflow;
var resizeListener;
//**************************************************************************
//** Constructor
//**************************************************************************
/** Creates a new instance of this class. */
var init = function(){
if (typeof parent === "string"){
parent = document.getElementById(parent);
}
if (!parent) return;
//Clone the config so we don't modify the original config object
var clone = {};
merge(clone, config);
//Merge clone with default config
merge(clone, defaultConfig);
config = clone;
//Create container
mainDiv = createElement('div', parent, config.style.panel);
mainDiv.style.position = "absolute";
mainDiv.style.left = "0px";
mainDiv.style.top = "0px";
mainDiv.style.display = "none";
mainDiv.style.visibility = "hidden";
//mainDiv.style.overflow = "hidden";
mainDiv.tabIndex = -1; //allows the div to have focus
me.setWidth(config.width);
me.setHeight(config.height);
me.el = mainDiv;
if (config.resizable===true){
addResizeHandles();
}
//Create table with 3 rows: header, body, and footer
var table = createTable(mainDiv);
table.style.fontFamily = "inherit";
table.style.textAlign = "inherit";
table.style.color = "inherit";
header = table.addRow().addColumn();
body = table.addRow().addColumn(config.style.body);
body.style.width = "100%";
body.style.height = "100%";
footer = table.addRow().addColumn(config.style.footer);
//Populate header
var headerDiv = createElement('div', header, config.style.header);
headerDiv.style.position = "relative";
var dragHandle = createElement('div', headerDiv);
dragHandle.style.position = "absolute";
dragHandle.style.width = "100%";
dragHandle.style.height = "100%";
dragHandle.style.zIndex = 1;
titleDiv = createElement('div', headerDiv, config.style.title);
if (config.title) titleDiv.innerHTML = config.title;
titleDiv.onclick = function(e){
me.onHeaderClick(headerDiv, e);
};
iconDiv = createElement('div', headerDiv, config.style.icon);
buttonDiv = createElement('div', headerDiv, config.style.buttonBar);
buttonDiv.style.zIndex = 2;
if (config.renderers.headerButtons){
config.renderers.headerButtons(buttonDiv);
}
else{
createHeaderButtons(buttonDiv);
}
me.setContent(config.body);
//Populate the footer
if (config.footer){
me.setFooter(config.footer);
}
else{
if (config.buttons){
for (var i=0; i<config.buttons.length; i++){
var button = config.buttons[i];
var name = button.name;
var enabled = true;
var onclick = button.onclick;
addButton(name, enabled, onclick);
}
}
}
//Create mask (used for modal dialogs and resize)
mask = createElement('div', parent);
if (config.modal===true){
addStyle(mask, "mask");
}
mask.style.position = "absolute";
mask.style.left = "0px";
mask.style.top = "0px";
mask.style.width = "100%";
mask.style.height = "100%";
mask.style.display = "none";
mask.style.visibility = "hidden";
//parent.insertBefore(mask, parent.firstChild);
//Initialize drag
if (config.movable===true){
initDrag(dragHandle, {
onDragStart: function(x,y){
var div = mainDiv;
var rect = _getRect(div);
var rect2 = _getRect(parent);
var xOffset = (x-rect.x)+rect2.x;
var yOffset = (y-rect.y)+rect2.y;
div.xOffset = xOffset;
div.yOffset = yOffset;
div.width = rect.width;
div.height = rect.height;
div.style.left = (x-xOffset) + 'px';
div.style.top = (y-yOffset) + 'px';
dragHandle.style.cursor = 'move';
},
onDrag: function(x,y){
var div = mainDiv;
var left = (x-div.xOffset);
if (left<0) left = 0;
if (left+div.width>parent.offsetWidth) left=parent.offsetWidth-div.width;
var top = (y-div.yOffset);
if (top<0) top = 0;
if (top+div.height>parent.offsetHeight) top=parent.offsetHeight-div.height;
div.style.left = left + 'px';
div.style.top = top + 'px';
},
onDragEnd: function(){
this.style.cursor = 'default';
}
});
}
//Watch for resize events
if (config.shrinkToFit===true){
addResizeListener(shrinkToFit);
}
};
//**************************************************************************
//** destroy
//**************************************************************************
/** Used to destroy the window and remove it from the DOM
*/
this.destroy = function(){
if (resizeListener){
resizeListener.listeners = [];
resizeListener.destroy();
}
me.close();
if (mask){
mask.innerHTML = "";
var parent = mask.parentNode;
if (parent) parent.removeChild(mask);
mask = null;
}
destroy(me);
me = null;
return me;
};
//**************************************************************************
//** createHeaderButtons
//**************************************************************************
/** Default renderer for header buttons.
*/
var createHeaderButtons = function(buttonDiv){
if (config.closable===true){
buttonDiv.appendChild(createButton(config.style.closeIcon, me.close));
}
};
//**************************************************************************
//** createButton
//**************************************************************************
var createButton = function(icon, onclick){
var div = createElement('div', config.style.button);
div.onclick = onclick;
createElement('div', div, icon);
return div;
};
//**************************************************************************
//** getTitle
//**************************************************************************
/** Returns the content of the window's header/title area
*/
this.getTitle = function(){
return titleDiv.innerHTML;
};
//**************************************************************************
//** setTitle
//**************************************************************************
/** Used to update the content of the window's header/title area
*/
this.setTitle = function(obj){
if (obj==null) titleDiv.innerHTML = "";
else{
if (isElement(obj)){
titleDiv.innerHTML = "";
body.appendChild(obj);
}
else{
if (typeof obj === "string"){
titleDiv.innerHTML = obj;
}
}
}
};
//**************************************************************************
//** onHeaderClick
//**************************************************************************
/** Called whenever the header is clicked.
*/
this.onHeaderClick = function(){};
//**************************************************************************
//** onResize
//**************************************************************************
/** Called whenever the window is resized
*/
this.onResize = function(){};
//**************************************************************************
//** getBody
//**************************************************************************
/** Returns the window's body (main content panel) as a DOM element
*/
this.getBody = function(){
return body;
};
//**************************************************************************
//** setBody
//**************************************************************************
/** Used to update/replace window's body (main content panel)
* @param obj Accepts strings, DOM elements, and nulls
*/
this.setBody = function(obj){
if (obj==null) body.innerHTML = "";
else{
if (isElement(obj)){
body.innerHTML = "";
var p = obj.parentNode;
if (p) p.removeChild(obj);
body.appendChild(obj);
}
else{
if (typeof obj === "string"){
body.innerHTML = obj;
}
}
}
};
//**************************************************************************
//** setContent
//**************************************************************************
/** Exactly the same as setBody()
*/
this.setContent = function(obj){
me.setBody(obj);
};
//**************************************************************************
//** getFooter
//**************************************************************************
this.getFooter = function(){
return footer;
};
//**************************************************************************
//** setFooter
//**************************************************************************
this.setFooter = function(obj){
if (obj==null) footer.innerHTML = "";
else{
if (isElement(obj)){
var p = obj.parentNode;
if (p) p.removeChild(obj);
footer.appendChild(obj);
}
else{
if (typeof obj === "string"){
footer.innerHTML = obj;
}
}
}
};
//**************************************************************************
//** open
//**************************************************************************
/** Used to make the window visible.
*/
this.open = function(animation){
me.show(animation);
};
//**************************************************************************
//** show
//**************************************************************************
/** Exactly the same as open()
*/
this.show = function(animation){
me.showAt(null, null, animation);
};
//**************************************************************************
//** showAt
//**************************************************************************
/** Used to make the window visible at a given location on the screen.
*/
this.showAt = function(x, y, animation){
//Set zIndex
var highestElements = getHighestElements();
var zIndex = highestElements.zIndex;
if (!highestElements.contains(mask)) zIndex++;
//Update mask
overflow = mask.parentNode.style.overflow;
mask.parentNode.style.overflow = "hidden";
mask.style.zIndex = zIndex;
if (config.modal===true){
mask.style.display = '';
mask.style.visibility = '';
}
//Update window
mainDiv.style.zIndex = zIndex+1;
mainDiv.style.display = '';
mainDiv.style.visibility = '';
if (x!=null & y!=null){
mainDiv.style.left = x + "px";
mainDiv.style.top = y + "px";
recenter = false;
}
else{
if (recenter) me.center();
}
if (!seen){
if (recenter){
addResizeListener(function(){
if (recenter) me.center();
});
}
seen = true;
}
if (!visible){
me.update();
visible = true;
me.onOpen();
if (config.shrinkToFit===true){
shrinkToFit();
}
}
};
//**************************************************************************
//** close
//**************************************************************************
/** Used to close/hide the window
* @param silent If true, will not fire the onClose event
*/
this.close = function(silent){
if (visible){
if (overflow) mask.parentNode.style.overflow = overflow;
if (config.modal===true){
mask.style.display = "none";
mask.style.visibility = "hidden";
}
mask.style.zIndex = '';
mainDiv.style.display = "none";
mainDiv.style.visibility = "hidden";
mainDiv.style.zIndex = '';
visible = false;
if (silent!==true) me.onClose();
}
};
//**************************************************************************
//** hide
//**************************************************************************
/** Exactly the same as close()
*/
this.hide = function(silent){
me.close(silent);
};
//**************************************************************************
//** isOpen
//**************************************************************************
/** Returns true if the window is open.
*/
this.isOpen = function(){
return visible;
};
//**************************************************************************
//** onOpen
//**************************************************************************
/** Called whenever the window is opened or made visible.
*/
this.onOpen = function(){};
//**************************************************************************
//** onClose
//**************************************************************************
/** Called whenever the window is closed or hidden from view.
*/
this.onClose = function(){};
//**************************************************************************
//** getWidth
//**************************************************************************
/** Returns the current width of the window in pixels (number)
*/
this.getWidth = function(){
return mainDiv.offsetWidth;
};
//**************************************************************************
//** setWidth
//**************************************************************************
/** Used to set the width of the window
* @param width Accepts numbers or strings with valid CSS values ("1px, "1%")
*/
this.setWidth = function(width){
if (isNaN(width)){
if (typeof width === "string"){
mainDiv.style.width = width;
}
}
else{
mainDiv.style.width = width + "px";
}
me.update();
me.onResize();
};
//**************************************************************************
//** getHeight
//**************************************************************************
/** Returns the current height of the window in pixels (number)
*/
this.getHeight = function(){
return mainDiv.offsetHeight;
};
//**************************************************************************
//** setHeight
//**************************************************************************
/** Used to set the height of the window
* @param height Accepts numbers or strings with valid CSS values ("1px, "1%")
*/
this.setHeight = function(height){
if (isNaN(height)){
if (typeof height === "string"){
mainDiv.style.height = height;
}
}
else{
mainDiv.style.height = height + "px";
}
me.update();
me.onResize();
};
//**************************************************************************
//** update
//**************************************************************************
/** Used to update the size of the window. Called internally whenever the
* window is resized to insure that the window contents fit inside the
* window. If you are updating DOM elements within the window dynamically,
* you may need to call this method.
*/
this.update = function(){
setTimeout(function(){
try{
var minWidth = Math.max(header.offsetWidth, body.offsetWidth, footer.offsetWidth);
if (mainDiv.offsetWidth<minWidth){
mainDiv.style.width = minWidth+"px";
}
}
catch(e){}
try{
var minHeight = header.offsetHeight + body.offsetHeight + footer.offsetHeight;
if (mainDiv.offsetHeight<minHeight){
mainDiv.style.height = minHeight+"px";
}
}
catch(e){}
}, 0);
};
//**************************************************************************
//** center
//**************************************************************************
/** Moves the window to the center of the screen.
*/
this.center = function(){
var w = mainDiv.offsetWidth;
var h = mainDiv.offsetHeight;
var x = parent.clientWidth;
var y = parent.clientHeight;
//Update x if >1 monitor in use
if (screen.width>(2*screen.height)) x=x/2;
//Set x value to the middle of the screen
x = (x/2)-(w/2);
//Compute y value
switch(config.valign){
case "top":
y = (y/4)-(h/2);
break;
default:
y = (y/2)-(h/2);
}
if (y<0) y=0;
if (x<0) x=0;
//Move form
mainDiv.style.left = x + "px";
mainDiv.style.top = y + "px";
};
//**************************************************************************
//** addButton
//**************************************************************************
addButton = function (name, enabled, onclick){
if (!buttonRow){
var buttonDiv = createElement('div', footer, config.style.footerButtonBar);
buttonRow = createTable(buttonDiv).addRow();
}
var td = buttonRow.addColumn();
if (name.toLowerCase()==="spacer"){
td.style.width="100%";
}
else{
var input = createElement('input', td, config.style.footerButton);
input.type = "button";
input.name = name;
input.value = name;
input.onclick = onclick;
}
};
//**************************************************************************
//** addResizeHandles
//**************************************************************************
var addResizeHandles = function(){
var parentRect, windowRect;
var dx, dy;
var onDragStart = function(x,y){
var resizeHandle = this;
mask.style.cursor = resizeHandle.style.cursor;
mask.style.display = "";
mask.style.visibility = "";
parentRect = _getRect(parent);
windowRect = _getRect(mainDiv);
var orgWidth = windowRect.width;
dx = parseFloat(mainDiv.style.width);
if (dx<orgWidth) dx = orgWidth-dx;
else dx = 0;
var orgHeight = windowRect.height;
dy = parseFloat(mainDiv.style.height);
if (dy<orgHeight) dy = orgHeight-dy;
else dy = 0;
};
var onDragEnd = function(){
if (config.modal!==true){
mask.style.display = "none";
mask.style.visibility = "hidden";
}
mask.style.cursor = "";
mainDiv.focus();
};
var setWidth = function(w){
mainDiv.style.width = w + "px";
var minWidth = Math.max(header.offsetWidth, body.offsetWidth, footer.offsetWidth);
if (mainDiv.offsetWidth<minWidth){
mainDiv.style.width = minWidth+"px";
}
};
var setHeight = function(h){
mainDiv.style.height = h + "px";
var minHeight = header.offsetHeight + body.offsetHeight + footer.offsetHeight;
if (mainDiv.offsetHeight<minHeight){
mainDiv.style.height = minHeight+"px";
}
};
var pullDown = function(y){
//Update height
var top = windowRect.top-parentRect.top;
if (y>parentRect.bottom) y = parentRect.bottom;
var bottom = y-parentRect.top;
var height = (bottom-top)-dx;
setHeight(height);
};
var pullUp = function(y){
//Set top position
var top = y-parentRect.top;
if (top<0) top = 0;
var minY = (windowRect.bottom-parentRect.top)-50;
if (top>minY) top = minY;
mainDiv.style.top = top + 'px';
//Update height
var bottom = windowRect.bottom-parentRect.top;
var height = (bottom-top)-dy;
setHeight(height);
var d = _getRect(mainDiv).bottom-windowRect.bottom;
if (d>0) setHeight(height-d);
};
pullLeft = function(x){
//Set left position
if (x<parentRect.left) x = parentRect.left;
var left = x-parentRect.left;
var maxX = (windowRect.right-parentRect.left)-75;
if (left>maxX) left = maxX;
mainDiv.style.left = left + 'px';
//Update width
var right = windowRect.right-parentRect.left;
var width = (right-left)-dx;
setWidth(width);
var d = _getRect(mainDiv).right-windowRect.right;
if (d>0) setWidth(width-d);