zogiLib/js/dllib.js - diff

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Diff for /zogiLib/js/dllib.js between versions 1.3 and 1.11

version 1.3, 2004/10/04 20:58:01	version 1.11, 2011/07/26 18:10:24
Line 17 Foundation, Inc., 59 Temple Place - Suit	Line 17 Foundation, Inc., 59 Temple Place - Suit
Authors:	Authors:
Christian Luginbuehl, 01.05.2003 (first version)	Christian Luginbuehl, 01.05.2003 (first version)
DW 24.03.2004 (Changed for digiLib in Zope)	DW 24.03.2004 (Changed for digiLib in Zope)
Robert Casties, 04.10.2004	Robert Casties, 14.7.2006

! Requires baselib.js !	! Requires baselib.js !

*/	*/

var dlScriptVersion = "1.0b3";
	function identify() {
	// used for identifying a digilib instance
	// Relato uses that function - lugi
	return "Digilib 0.6";
	}


/*	/*
* more parameter handling	* more parameter handling
*/	*/

var dlArea = new Rectangle(0.0, 0.0, 1.0, 1.0);
var dlMaxArea = new Rectangle(0.0, 0.0, 1.0, 1.0);

function parseArea() {	function parseArea() {
// returns area Rectangle from current parameters	// returns area Rectangle from current parameters
return new Rectangle(getParameter("wx"), getParameter("wy"), getParameter("ww"), getParameter("wh"));	return new Rectangle(getParameter("wx"), getParameter("wy"), getParameter("ww"), getParameter("wh"));
Line 46 function setParamFromArea(rect) {	Line 49 function setParamFromArea(rect) {
return true;	return true;
}	}

var dlTrafo = new Transform();

function parseTrafo(elem) {	function parseTrafo(elem) {
// returns Transform from current dlArea and picsize	// returns Transform from current dlArea and picsize
var picsize = getElementRect(elem);	var picsize = getElementRect(elem);
Line 71 function parseTrafo(elem) {	Line 72 function parseTrafo(elem) {
}	}


var dlMarks = new Array();

function parseMarks() {	function parseMarks() {
// returns marks array from current parameters	// returns marks array from current parameters
var marks = new Array();	var marks = new Array();
Line 116 function deleteMark() {	Line 115 function deleteMark() {
return true;	return true;
}	}

var dlFlags = new Object();

function hasFlag(mode) {	function hasFlag(mode) {
// returns if mode flag is set	// returns if mode flag is set
return (dlFlags[mode]);	return (dlFlags[mode]);
Line 181 function bestPicSize(elem, inset) {	Line 178 function bestPicSize(elem, inset) {
inset = 25;	inset = 25;
}	}
var ws = getWinSize();	var ws = getWinSize();
	var wsold = ws.copy();
var es = getElementPosition(elem);	var es = getElementPosition(elem);
if (es) {	if (es) {
	if ((es.x > ws.width)\|\|(es.y > ws.height)) {
	alert("es="+es+" is outside ws="+ws+" fixing...");
	ws.width = ws.width - inset;
	ws.height = ws.height - inset;
	} else {
ws.width = ws.width - es.x - inset;	ws.width = ws.width - es.x - inset;
ws.height = ws.height - es.y - inset;	ws.height = ws.height - es.y - inset;
}	}
	}
	//alert("ws="+wsold+" es="+es+" -> ws="+ws);
	//alert("ws="+ws+"("+typeof(ws)+") es="+es);
return ws;	return ws;
}	}

	function setDLParam(e, s, relative) {
	// sets parameter based on HTML event
	var nam;
	var val;
	if (s.type && (s.type == "select-one")) {
	nam = s.name;
	val = s.options[s.selectedIndex].value;
	} else if (s.name && s.value) {
	nam = s.name;
	val = s.value;
	}
	if (nam && val) {
	setParameter(nam, val, relative);
	display();
	} else {
	alert("ERROR: unable to process event!");
	}
	return true;
	}


/* **********************************************	/* **********************************************
* digilib specific routines	* digilib specific routines
* ******************************************** */	* ******************************************** */

var elemScaler = null;
var picElem = null;


function dl_param_init() {	function dl_param_init() {
// parameter initialisation before onload	// parameter initialisation before onload
	if (!baseScriptVersion) {
	base_init();
	}
	dlScriptVersion = "1.3a";
	dlArea = new Rectangle(0.0, 0.0, 1.0, 1.0);
	dlMaxArea = new Rectangle(0.0, 0.0, 1.0, 1.0);
	dlTrafo = new Transform();
	dlMarks = new Array();
	dlFlags = new Object();
	elemScaler = null;
	picElem = null;
	ZOOMFACTOR = Math.sqrt(2);

// put the query parameters (sans "?") in the parameters array	// put the query parameters (sans "?") in the parameters array
parseParameters(location.search.slice(1));	// non-digilib parameters get detail level 32
	parseParameters(location.search.slice(1),32);
// treat special parameters	// treat special parameters
dlMarks = parseMarks();	dlMarks = parseMarks();
dlArea = parseArea();	dlArea = parseArea();
dlFlags = parseFlags();	dlFlags = parseFlags();
	// mask for parameters when creating new URL
	dlUrlParamMask = 255;
}	}


function dl_init() {	function dl_init() {
// initalisation on load	// initalisation on load
	if (!dlScriptVersion) {
	dl_param_init();
	}
elemScaler = getElement("scaler", true);	elemScaler = getElement("scaler", true);
picElem = getElement("pic", true);	picElem = getElement("pic", true);
if (picElem == null && elemScaler) {	if (picElem == null && elemScaler) {
Line 219 function dl_init() {	Line 260 function dl_init() {
picElem = elemScaler.document.images[0];	picElem = elemScaler.document.images[0];
}	}
if ((!elemScaler)\|\|(!picElem)) {	if ((!elemScaler)\|\|(!picElem)) {
alert("Sorry, zogilib doesn't work here!");	alert("Sorry, digilib doesn't work here!");
return false;	return false;
}	}
// give a name to the window containing digilib	// give a name to the window containing digilib
Line 229 function dl_init() {	Line 270 function dl_init() {
window.name = "digilib";	window.name = "digilib";
}	}
// put the query parameters (sans "?") in the parameters array	// put the query parameters (sans "?") in the parameters array
parseParameters(location.search.slice(1));	//parseParameters(location.search.slice(1),32);
// treat special parameters	// treat special parameters
dlMarks = parseMarks();	dlMarks = parseMarks();
dlArea = parseArea();	dlArea = parseArea();
Line 245 function dl_init() {	Line 286 function dl_init() {
function display(detail) {	function display(detail) {
// redisplay the page	// redisplay the page
if (! detail) {	if (! detail) {
detail = 9;	detail = 255;
}	}
var queryString = getAllParameters(detail);	var queryString = getAllParameters(detail & dlUrlParamMask);
location.href = location.protocol + "//" + location.host + location.pathname + "?" + queryString;	location.href = location.protocol + "//" + location.host + location.pathname + "?" + queryString;
}	}

Line 405 function zoomArea() {	Line 446 function zoomArea() {
registerEvent("mousedown", eck4, zoomClick);	registerEvent("mousedown", eck4, zoomClick);
}	}

var ZOOMFACTOR = Math.sqrt(2);

function zoomBy(factor) {	function zoomBy(factor) {
// zooms by the given factor	// zooms by the given factor
var newarea = dlArea.copy();	var newarea = dlArea.copy();
Line 433 function zoomFullpage() {	Line 472 function zoomFullpage() {
function moveCenter() {	function moveCenter() {
// move visible area so that it's centered around the clicked point	// move visible area so that it's centered around the clicked point
if ( (dlArea.width == 1.0) && (dlArea.height == 1.0) ) {	if ( (dlArea.width == 1.0) && (dlArea.height == 1.0) ) {
// noting to do	// nothing to do
return;	return;
}	}
window.focus();	window.focus();
Line 454 function moveCenter() {	Line 493 function moveCenter() {
registerEvent("mousedown", elemScaler, moveCenterEvent);	registerEvent("mousedown", elemScaler, moveCenterEvent);
}	}

	function moveBy(movx, movy) {
	// move visible area by movx and movy (in units of ww, wh)
	if ((dlArea.width == 1.0)&&(dlArea.height == 1.0)) {
	// nothing to do
	return;
	}
	var newarea = dlArea.copy();
	newarea.x += parseFloat(movx)*dlArea.width;
	newarea.y += parseFloat(movy)*dlArea.height;
	newarea = dlMaxArea.fit(newarea);
	// set parameters
	setParamFromArea(newarea);
	parseArea();
	display();
	}

function getRef() {	function getRef() {
// returns a reference to the current digilib set	// returns a reference to the current digilib set
Line 462 function getRef() {	Line 515 function getRef() {
var baseUrl = location.protocol + "//" + location.host + location.pathname;	var baseUrl = location.protocol + "//" + location.host + location.pathname;
}	}
var hyperlinkRef = baseUrl;	var hyperlinkRef = baseUrl;
var par = getAllParameters(9);	var par = getAllParameters((7+32+64) & dlUrlParamMask); // all without ddpi, pt
if (par.length > 0) {	if (par.length > 0) {
hyperlinkRef += "?" + par;	hyperlinkRef += "?" + par;
}	}
Line 473 function getRefWin(type, msg) {	Line 526 function getRefWin(type, msg) {
// shows an alert with a reference to the current digilib set	// shows an alert with a reference to the current digilib set
if (! msg) {	if (! msg) {
msg = "Link for HTML documents";	msg = "Link for HTML documents";
	}
prompt(msg, getRef());	prompt(msg, getRef());
}	}


	function getQuality() {
	// returns the current q setting
	for (var i = 0; i < 3; i++) {
	if (hasFlag("q"+i)) {
	return i;
	}
	}
	return 1
	}

	function setQuality(qual) {
	// set the image quality
	for (var i = 0; i < 3; i++) {
	removeFlag("q"+i);
	if (i == qual) {
	addFlag("q"+i);
	}
	}
	setParameter("mo", getAllFlags());
	display();
	}

	function setQualityWin(msg) {
	// dialog for setting quality
	if (! msg) {
	msg = "Quality (0..2)";
	}
	var q = getQuality();
	var newq = window.prompt(msg, q);
	if (newq) {
	setQuality(newq);
	}
	}

	function mirror(dir) {
	// mirror the image horizontally or vertically
	if (dir == "h") {
	toggleFlag("hmir");
	} else {
	toggleFlag("vmir");
	}
	setParameter("mo", getAllFlags());
	display();
	}

	function gotoPage(gopage, keep) {
	// goto given page nr (+/-: relative)
	var oldpn = parseInt(getParameter("pn"));
	setParameter("pn", gopage, true);
	var pn = parseInt(getParameter("pn"));
	if (pn < 1) {
	alert("No such page! (Page number too low)");
	setParameter("pn", oldpn);
	return;
	}
	if (hasParameter("pt")) {
	pt = parseInt(getParameter("pt"))
	if (pn > pt) {
	alert("No such page! (Page number too high)");
	setParameter("pn", oldpn);
	return;
	}
	}
	if (keep) {
	display(63+128); // all, no mark
	} else {
	display(3+32+128); // fn, pn, ws, mo + pt
	}
	}

	function gotoPageWin() {
	// dialog to ask for new page nr
	var pn = getParameter("pn");
	var gopage = window.prompt("Go to page", pn);
	if (gopage) {
	gotoPage(gopage);
	}
	}

	function setParamWin(param, text, relative) {
	// dialog to ask for new parameter value
	var val = getParameter(param);
	var newval = window.prompt(text, val);
	if (newval) {
	setParameter(param, newval, relative);
	display();
	}
	}

	function showOptions(show) {
	// show or hide option div
	var elem = getElement("dloptions");
	showElement(elem, show);
	}

	function toggleOptions() {
	// toggle option div
	var elem = getElement("dloptions");
	showOptions(! isElementVisible(elem));
	}

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Removed from v.1.3
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	Added in v.1.11