/** This file is derived from PopupDiv, developed by Mihai Bazon for
* SamWare.net. Modifications were needed to make it usable in HTMLArea.
* HTMLArea is a free WYSIWYG online HTML editor from InteractiveTools.com.
*
* This file does not function standalone. It is dependent of global functions
* defined in HTMLArea-3.0 (htmlarea.js).
*
* Please see file htmlarea.js for further details.
**/
var is_ie = ( (navigator.userAgent.toLowerCase().indexOf("msie") != -1) &&
(navigator.userAgent.toLowerCase().indexOf("opera") == -1) );
var is_compat = (document.compatMode == "BackCompat");
function PopupDiv(editor, titleText, handler, initFunction) {
var self = this;
this.editor = editor;
this.doc = editor._mdoc;
this.handler = handler;
var el = this.doc.createElement("div");
el.className = "content";
var popup = this.doc.createElement("div");
popup.className = "dialog popupdiv";
this.element = popup;
var s = popup.style;
s.position = "absolute";
s.left = "0px";
s.top = "0px";
var title = this.doc.createElement("div");
title.className = "title";
this.title = title;
popup.appendChild(title);
HTMLArea._addEvent(title, "mousedown", function(ev) {
self._dragStart(is_ie ? window.event : ev);
});
var button = this.doc.createElement("div");
button.className = "button";
title.appendChild(button);
button.innerHTML = "×";
title.appendChild(this.doc.createTextNode(titleText));
this.titleText = titleText;
button.onmouseover = function() {
this.className += " button-hilite";
};
button.onmouseout = function() {
this.className = this.className.replace(/\s*button-hilite\s*/g, " ");
};
button.onclick = function() {
this.className = this.className.replace(/\s*button-hilite\s*/g, " ");
self.close();
};
popup.appendChild(el);
this.content = el;
this.doc.body.appendChild(popup);
this.dragging = false;
this.onShow = null;
this.onClose = null;
this.modal = false;
initFunction(this);
};
PopupDiv.currentPopup = null;
PopupDiv.prototype.showAtElement = function(el, mode) {
this.defaultSize();
var pos, ew, eh;
var popup = this.element;
popup.style.display = "block";
var w = popup.offsetWidth;
var h = popup.offsetHeight;
popup.style.display = "none";
if (el != window) {
pos = PopupDiv.getAbsolutePos(el);
ew = el.offsetWidth;
eh = el.offsetHeight;
} else {
pos = {x:0, y:0};
var size = PopupDiv.getWindowSize();
ew = size.x;
eh = size.y;
}
var FX = false, FY = false;
if (mode.indexOf("l") != -1) {
pos.x -= w;
FX = true;
}
if (mode.indexOf("r") != -1) {
pos.x += ew;
FX = true;
}
if (mode.indexOf("t") != -1) {
pos.y -= h;
FY = true;
}
if (mode.indexOf("b") != -1) {
pos.y += eh;
FY = true;
}
if (mode.indexOf("c") != -1) {
FX || (pos.x += Math.round((ew - w) / 2));
FY || (pos.y += Math.round((eh - h) / 2));
}
this.showAt(pos.x, pos.y);
};
PopupDiv.prototype.defaultSize = function() {
var s = this.element.style;
var cs = this.element.currentStyle;
var addX = (is_ie && is_compat) ? (parseInt(cs.borderLeftWidth) +
parseInt(cs.borderRightWidth) +
parseInt(cs.paddingLeft) +
parseInt(cs.paddingRight)) : 0;
var addY = (is_ie && is_compat) ? (parseInt(cs.borderTopWidth) +
parseInt(cs.borderBottomWidth) +
parseInt(cs.paddingTop) +
parseInt(cs.paddingBottom)) : 0;
s.display = "block";
s.width = (this.content.offsetWidth + addX) + "px";
s.height = (this.content.offsetHeight + this.title.offsetHeight) + "px";
s.display = "none";
};
PopupDiv.prototype.showAt = function(x, y) {
this.defaultSize();
var s = this.element.style;
s.display = "block";
s.left = x + "px";
s.top = y + "px";
this.hideShowCovered();
PopupDiv.currentPopup = this;
HTMLArea._addEvents(this.doc.body, ["mousedown", "click"], PopupDiv.checkPopup);
HTMLArea._addEvents(this.editor._doc.body, ["mousedown", "click"], PopupDiv.checkPopup);
if (is_ie && this.modal) {
this.doc.body.setCapture(false);
this.doc.body.onlosecapture = function() {
(PopupDiv.currentPopup) && (this.doc.body.setCapture(false));
};
}
window.event && HTMLArea._stopEvent(window.event);
if (typeof this.onShow == "function") {
this.onShow();
} else if (typeof this.onShow == "string") {
eval(this.onShow);
}
var field = this.element.getElementsByTagName("input")[0];
if (!field) {
field = this.element.getElementsByTagName("select")[0];
}
if (!field) {
field = this.element.getElementsByTagName("textarea")[0];
}
if (field) {
field.focus();
}
};
PopupDiv.prototype.close = function() {
this.element.style.display = "none";
PopupDiv.currentPopup = null;
this.hideShowCovered();
HTMLArea._removeEvents(this.doc.body, ["mousedown", "click"], PopupDiv.checkPopup);
HTMLArea._removeEvents(this.editor._doc.body, ["mousedown", "click"], PopupDiv.checkPopup);
is_ie && this.modal && this.doc.body.releaseCapture();
if (typeof this.onClose == "function") {
this.onClose();
} else if (typeof this.onClose == "string") {
eval(this.onClose);
}
this.element.parentNode.removeChild(this.element);
};
PopupDiv.prototype.getForm = function() {
var forms = this.content.getElementsByTagName("form");
return (forms.length > 0) ? forms[0] : null;
};
PopupDiv.prototype.callHandler = function() {
var tags = ["input", "textarea", "select"];
var params = new Object();
for (var ti in tags) {
var tag = tags[ti];
var els = this.content.getElementsByTagName(tag);
for (var j = 0; j < els.length; ++j) {
var el = els[j];
params[el.name] = el.value;
}
}
this.handler(this, params);
return false;
};
PopupDiv.getAbsolutePos = function(el) {
var r = { x: el.offsetLeft, y: el.offsetTop };
if (el.offsetParent) {
var tmp = PopupDiv.getAbsolutePos(el.offsetParent);
r.x += tmp.x;
r.y += tmp.y;
}
return r;
};
PopupDiv.getWindowSize = function() {
if (window.innerHeight) {
return { y: window.innerHeight, x: window.innerWidth };
}
if (this.doc.body.clientHeight) {
return { y: this.doc.body.clientHeight, x: this.doc.body.clientWidth };
}
return { y: this.doc.documentElement.clientHeight, x: this.doc.documentElement.clientWidth };
};
PopupDiv.prototype.hideShowCovered = function () {
var self = this;
function isContained(el) {
while (el) {
if (el == self.element) {
return true;
}
el = el.parentNode;
}
return false;
};
var tags = new Array("applet", "select");
var el = this.element;
var p = PopupDiv.getAbsolutePos(el);
var EX1 = p.x;
var EX2 = el.offsetWidth + EX1;
var EY1 = p.y;
var EY2 = el.offsetHeight + EY1;
if (el.style.display == "none") {
EX1 = EX2 = EY1 = EY2 = 0;
}
for (var k = tags.length; k > 0; ) {
var ar = this.doc.getElementsByTagName(tags[--k]);
var cc = null;
for (var i = ar.length; i > 0;) {
cc = ar[--i];
if (isContained(cc)) {
cc.style.visibility = "visible";
continue;
}
p = PopupDiv.getAbsolutePos(cc);
var CX1 = p.x;
var CX2 = cc.offsetWidth + CX1;
var CY1 = p.y;
var CY2 = cc.offsetHeight + CY1;
if ((CX1 > EX2) || (CX2 < EX1) || (CY1 > EY2) || (CY2 < EY1)) {
cc.style.visibility = "visible";
} else {
cc.style.visibility = "hidden";
}
}
}
};
PopupDiv.prototype._dragStart = function (ev) {
if (this.dragging) {
return false;
}
this.dragging = true;
PopupDiv.currentPopup = this;
var posX = ev.clientX;
var posY = ev.clientY;
if (is_ie) {
posY += this.doc.body.scrollTop;
posX += this.doc.body.scrollLeft;
} else {
posY += window.scrollY;
posX += window.scrollX;
}
var st = this.element.style;
this.xOffs = posX - parseInt(st.left);
this.yOffs = posY - parseInt(st.top);
HTMLArea._addEvent(this.doc, "mousemove", PopupDiv.dragIt);
HTMLArea._addEvent(this.doc, "mouseover", HTMLArea._stopEvent);
HTMLArea._addEvent(this.doc, "mouseup", PopupDiv.dragEnd);
HTMLArea._stopEvent(ev);
};
PopupDiv.dragIt = function (ev) {
var popup = PopupDiv.currentPopup;
if (!(popup && popup.dragging)) {
return false;
}
is_ie && (ev = window.event);
var posX = ev.clientX;
var posY = ev.clientY;
if (is_ie) {
posY += this.doc.body.scrollTop;
posX += this.doc.body.scrollLeft;
} else {
posY += window.scrollY;
posX += window.scrollX;
}
popup.hideShowCovered();
var st = popup.element.style;
st.left = (posX - popup.xOffs) + "px";
st.top = (posY - popup.yOffs) + "px";
HTMLArea._stopEvent(ev);
};
PopupDiv.dragEnd = function () {
var popup = PopupDiv.currentPopup;
if (!popup) {
return false;
}
popup.dragging = false;
HTMLArea._removeEvent(popup.doc, "mouseup", PopupDiv.dragEnd);
HTMLArea._removeEvent(popup.doc, "mouseover", HTMLArea._stopEvent);
HTMLArea._removeEvent(popup.doc, "mousemove", PopupDiv.dragIt);
popup.hideShowCovered();
};
PopupDiv.checkPopup = function (ev) {
is_ie && (ev = window.event);
var el = is_ie ? ev.srcElement : ev.target;
var cp = PopupDiv.currentPopup;
for (; (el != null) && (el != cp.element); el = el.parentNode);
if (el == null) {
cp.modal || ev.type == "mouseover" || cp.close();
HTMLArea._stopEvent(ev);
}
};
PopupDiv.prototype.addButtons = function() {
var self = this;
var div = this.doc.createElement("div");
this.content.appendChild(div);
div.className = "buttons";
for (var i = 0; i < arguments.length; ++i) {
var btn = arguments[i];
var button = this.doc.createElement("button");
div.appendChild(button);
button.innerHTML = HTMLArea.I18N.buttons[btn];
switch (btn) {
case "ok":
button.onclick = function() {
self.callHandler();
self.close();
};
break;
case "cancel":
button.onclick = function() {
self.close();
};
break;
}
}
};
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