'From Squeak3.8gamma of ''24 November 2004'' [latest update: #6662] on 24 June 2005 at 9:49:04 am'!
WARzComponent subclass: #RzEditor
	instanceVariableNames: 'content rtid valueHolder'
	classVariableNames: ''
	poolDictionaries: ''
	category: 'Rezervace-Editor'!

!RzEditor methodsFor: 'accessing' stamp: 'pk 12/21/2004 10:06'!
content
	
	^(content ifNil: [''])
! !

!RzEditor methodsFor: 'accessing' stamp: 'pk 12/21/2004 09:21'!
content: anObject
	content := anObject! !


!RzEditor methodsFor: 'as yet unclassified' stamp: 'pk 1/25/2005 19:46'!
formRoot

	^ self iCanBeTheFormRoot! !

!RzEditor methodsFor: 'as yet unclassified' stamp: 'pk 1/25/2005 21:00'!
initialize

	super initialize.
	
	rtid  := 'abcdefghijklmnopqrstuvwxyz' shuffled.
	valueHolder := 'abcdefghijklmnopqrstuvwxyz' shuffled.
	
	content = String new.
	
	self formRoot addAttribute: (#onSubmit -> 'updateRTEs();') category: #formAttributes
! !

!RzEditor methodsFor: 'as yet unclassified' stamp: 'pk 4/5/2005 20:12'!
renderButtonOn: html image: img atl: alt action: action

	html
		attributeAt: #alt put: alt;
		attributeAt: #src put: img;
		attributeAt: #title put: alt;
		attributeAt: #onClick put: 'FormatText(''', rtid, ''', ''', action, ''', '''')';
		tag: #img.

! !

!RzEditor methodsFor: 'as yet unclassified' stamp: 'pk 4/5/2005 15:52'!
renderButtonsOn: html

	self renderButtonOn: html image: 'bold.gif' atl: 'tučně' action: 'bold'.
	self renderButtonOn: html image: 'italic.gif' atl: 'kurzíva'  action: 'italic'.
	self renderButtonOn: html image: 'underline.gif' atl: 'podtrženì'  action: 'underline'.
	
	self renderButtonOn: html image: 'left_just.gif' atl: 'vlevo'  action: 'justifyleft'.
	self renderButtonOn: html image: 'centre.gif' atl: 'na střed'  action: 'justifycenter'.
	self renderButtonOn: html image: 'right_just.gif' atl: 'vpravo'  action: 'justifyright'.
	self renderButtonOn: html image: 'justifyfull.gif' atl: 'do bloku'  action: 'justifyfull'.

	self renderButtonOn: html image: 'hr.gif' atl: 'horizontální oddìlovač'  action: 'inserthorizontalrule'.

	self renderButtonOn: html image: 'numbered_list.gif' atl: 'číslovaný seznam'  action: 'insertorderedlist'.
	self renderButtonOn: html image: 'list.gif' atl: 'seznam'  action: 'insertunorderedlist'.

	self renderButtonOn: html image: 'outdent.gif' atl: 'přisadit'  action: 'outdent'.
	self renderButtonOn: html image: 'indent.gif' atl: 'odsadit'  action: 'indent'.



! !

!RzEditor methodsFor: 'as yet unclassified' stamp: 'pk 1/25/2005 19:51'!
renderContentOn: html

	self formOn: html with: [
		html 
			attributeAt: #id put: valueHolder; 
			hiddenInputWithValue: self content callback: [:val | self content: val].

		self renderButtonsOn: html.
		self renderIFrameOn: html.

		html html: '<script language="JavaScript" type="text/javascript">
			initRTE("/rte.css");
			registerRTE(''', rtid, ''', ''', valueHolder ,''');
			enableDesignMode(''', rtid, ''', false, ''', valueHolder ,''');
			</script>'.

	].

	html break.



! !

!RzEditor methodsFor: 'as yet unclassified' stamp: 'pk 12/21/2004 17:48'!
renderIFrameOn: html

	html 
		attributeAt: #id put: rtid;
		attributeAt: #name put: rtid;
		attributeAt: #width put: '100%';
		attributeAt: #height put: '100px';
		tag: #iframe.! !

!RzEditor methodsFor: 'as yet unclassified' stamp: 'pk 12/21/2004 20:52'!
script 

	^ 
'// Cross-Browser Rich Text Editor
// http://www.kevinroth.com/rte/demo.htm
// Written by Kevin Roth (kevin@NOSPAMkevinroth.com - remove NOSPAM)
// Visit the support forums at http://www.kevinroth.com/forums/index.php?c=2

//init variables
var rng;
var currentRTE;
var allRTEs = "";
var allValueHolders = "";

var isGecko;
var isSafari;
var isKonqueror;

var cssFile;


function initRTE(css) {
	//set browser vars
	var ua = navigator.userAgent.toLowerCase();
	isGecko = (ua.indexOf("gecko") !!= -1);
	isSafari = (ua.indexOf("safari") !!= -1);
	isKonqueror = (ua.indexOf("konqueror") !!= -1);
	
	//set paths vars
	cssFile = css;
	
}

function registerRTE(rte, valueHolder) {
		if (allRTEs.length > 0) allRTEs += ";";
		if (allRTEs.length > 0) allValueHolders += ";";
		allRTEs += rte;
		allValueHolders += valueHolder;
}

function enableDesignMode(rte, readOnly, valueHolder) 
{
	var html = document.getElementById(valueHolder).value;
	
		var frameHtml = "<html id=\"" + rte + "\">\n";
	frameHtml += "<head>\n";
	//to reference your stylesheet, set href property below to your stylesheet path and uncomment
	if (cssFile.length > 0) {
		frameHtml += "<link media=\"all\" type=\"text/css\" href=\"" + cssFile + "\" rel=\"stylesheet\">\n";
	} else {
		frameHtml += "<style>\n";
		frameHtml += "body {\n";
		frameHtml += "	background: #FFFFFF;\n";
		frameHtml += "	margin: 0px;\n";
		frameHtml += "	padding: 0px;\n";
		frameHtml += "}\n";
		frameHtml += "</style>\n";
	}
	frameHtml += "</head>\n";
	frameHtml += "<body class=rte>\n";
	frameHtml +=  html + "\n";
	frameHtml += "</body>\n";
	frameHtml += "</html>";
	
	if (document.all) {
		var oRTE = frames[rte].document;
		oRTE.open();
		oRTE.write(frameHtml);
		oRTE.close();
		if (!!readOnly) oRTE.designMode = "On";
	} else {
		try {
			if (!!readOnly) document.getElementById(rte).contentDocument.designMode = "on";
			try {
				var oRTE = document.getElementById(rte).contentWindow.document;
				oRTE.open();
				oRTE.write(frameHtml);
				oRTE.close();
				if (isGecko && !!readOnly) {
					//attach a keyboard handler for gecko browsers to make keyboard shortcuts work
					oRTE.addEventListener("keypress", kb_handler, true);
				}
			} catch (e) {
				alert("Error preloading content.");
			}
		} catch (e) {
			//gecko may take some time to enable design mode.
			//Keep looping until able to set.
			if (isGecko) {
				var expr = "enableDesignMode(''" + rte + "'', " + readOnly + ", ''" + valueHolder + "'');";
				setTimeout(expr, 10);
			} else {
				return false;
			}
		}
	}
}

function updateRTEs() {
	var vRTEs = allRTEs.split(";");
	var vValueHolders = allValueHolders.split(";");
	for (var i = 0; i < vRTEs.length; i++) {
		updateRTE(vRTEs[i], vValueHolders[i]);
	}
}

function updateRTE(rte, valueHolder) 
{

	//set message value
	var oHdnMessage = document.getElementById(valueHolder);
	var oRTE = document.getElementById(rte);
	var readOnly = false;
	
	//check for readOnly mode
	if (document.all) {
		if (frames[rte].document.designMode !!= "On") readOnly = true;
	} else {
		if (document.getElementById(rte).contentDocument.designMode !!= "on") readOnly = true;
	}
	
	//if viewing source, switch back to design view
	
	if (oHdnMessage.value == null) oHdnMessage.value = "";
	if (document.all) {
		oHdnMessage.value = frames[rte].document.body.innerHTML;
	} else {
		oHdnMessage.value = oRTE.contentWindow.document.body.innerHTML;
	}
	
	//if there is no content (other than formatting) set value to nothing
	if (stripHTML(oHdnMessage.value.replace("&nbsp;", " ")) == "" 
		&& oHdnMessage.value.toLowerCase().search("<hr") == -1
		&& oHdnMessage.value.toLowerCase().search("<img") == -1) oHdnMessage.value = "";
	//fix for gecko
	if (escape(oHdnMessage.value) == "%3Cbr%3E%0D%0A%0D%0A%0D%0A") oHdnMessage.value = "";
	
}

//Function to format text in the text box
function FormatText(rte, command, option) {
	var oRTE;
	if (document.all) {
		oRTE = frames[rte];
		
		//get current selected range
		var selection = oRTE.document.selection; 
		if (selection !!= null) {
			rng = selection.createRange();
		}
	} else {
		oRTE = document.getElementById(rte).contentWindow;
		
		//get currently selected range
		var selection = oRTE.getSelection();
		rng = selection.getRangeAt(selection.rangeCount - 1).cloneRange();
	}
	
	try {
			oRTE.focus();
		  	oRTE.document.execCommand(command, false, option);
			oRTE.focus();
	} catch (e) {
		alert(e);
	}
}

function Select(rte, selectname) {
	var oRTE;
	if (document.all) {
		oRTE = frames[rte];
		
		//get current selected range
		var selection = oRTE.document.selection; 
		if (selection !!= null) {
			rng = selection.createRange();
		}
	} else {
		oRTE = document.getElementById(rte).contentWindow;
		
		//get currently selected range
		var selection = oRTE.getSelection();
		rng = selection.getRangeAt(selection.rangeCount - 1).cloneRange();
	}
	
	var idx = document.getElementById(selectname).selectedIndex;
	// First one is always a label
	if (idx !!= 0) {
		var selected = document.getElementById(selectname).options[idx].value;
		var cmd = selectname.replace(''_'' + rte, '''');
		oRTE.focus();
		oRTE.document.execCommand(cmd, false, selected);
		oRTE.focus();
		document.getElementById(selectname).selectedIndex = 0;
	}
}

function Replace(rte, text) {
	var oRTE;
	if (document.all) {
		oRTE = frames[rte];
		
		//get current selected range
		var selection = oRTE.document.selection; 
		if (selection !!= null) {
			rng = selection.createRange();
		}
	} else {
		oRTE = document.getElementById(rte).contentWindow;
		
		//get currently selected range
		var selection = oRTE.getSelection();
		rng = selection.getRangeAt(selection.rangeCount - 1).cloneRange();
	}
	
	var idx = document.getElementById(selectname).selectedIndex;
	// First one is always a label
	if (idx !!= 0) {
		var selected = text;
		var cmd = selectname.replace(''_'' + rte, '''');
		oRTE.focus();
		oRTE.document.execCommand(cmd, false, selected);
		oRTE.focus();
		document.getElementById(selectname).selectedIndex = 0;
	}
}

function kb_handler(evt) {
	var rte = evt.target.id;
	
	//contributed by Anti Veeranna (thanks Anti!!)
	if (evt.ctrlKey) {
		var key = String.fromCharCode(evt.charCode).toLowerCase();
		var cmd = '''';
		switch (key) {
			case ''b'': cmd = "bold"; break;
			case ''i'': cmd = "italic"; break;
			case ''u'': cmd = "underline"; break;
		};

		if (cmd) {
			FormatText(rte, cmd, true);
			//evt.target.ownerDocument.execCommand(cmd, false, true);
			// stop the event bubble
			evt.preventDefault();
			evt.stopPropagation();
		}
 	}
}


function stripHTML(oldString) {
	var newString = oldString.replace(/(<([^>]+)>)/ig,"");
	
	//replace carriage returns and line feeds
   newString = newString.replace(/\r\n/g," ");
   newString = newString.replace(/\n/g," ");
   newString = newString.replace(/\r/g," ");
	
	//trim string
	newString = trim(newString);
	
	return newString;
}

function trim(inputString) {
   // Removes leading and trailing spaces from the passed string. Also removes
   // consecutive spaces and replaces it with one space. If something besides
   // a string is passed in (null, custom object, etc.) then return the input.
   if (typeof inputString !!= "string") return inputString;
   var retValue = inputString;
   var ch = retValue.substring(0, 1);
	
   while (ch == " ") { // Check for spaces at the beginning of the string
      retValue = retValue.substring(1, retValue.length);
      ch = retValue.substring(0, 1);
   }
   ch = retValue.substring(retValue.length - 1, retValue.length);
	
   while (ch == " ") { // Check for spaces at the end of the string
      retValue = retValue.substring(0, retValue.length - 1);
      ch = retValue.substring(retValue.length - 1, retValue.length);
   }
	
	// Note that there are two spaces in the string - look for multiple spaces within the string
   while (retValue.indexOf("  ") !!= -1) {
		// Again, there are two spaces in each of the strings
      retValue = retValue.substring(0, retValue.indexOf("  ")) + retValue.substring(retValue.indexOf("  ") + 1, retValue.length);
   }
   return retValue; // Return the trimmed string back to the user
}

'! !