# HG changeset patch
# User hertzhaft
# Date 1135097307 -3600
# Node ID 7e4c5617585b51710490901acc8acc45e80c1599
# Parent de7200c3a3e2fa067a8d33f5a527edcb435ed945
added constants for parameter sets;
added initParameters() function;
fixed zoomArea for IE;
added bird's eye view
diff -r de7200c3a3e2 -r 7e4c5617585b client/digitallibrary/greyskin/dllib.js
--- a/client/digitallibrary/greyskin/dllib.js Tue Dec 20 17:33:39 2005 +0100
+++ b/client/digitallibrary/greyskin/dllib.js Tue Dec 20 17:48:27 2005 +0100
@@ -25,8 +25,32 @@
*/
digilibVersion = "Digilib NG";
dllibVersion = "2.0";
-isDigilibInitialized = false; // gets set to true in dl_param_init
-reloadPage = true; // reload the page when parameters were changed
+isDigilibInitialized = false; // gets set to true in dl_param_init
+reloadPage = true; // reload the page when parameters are changed
+ // (false: update only "src" attribute of scaler img)
+
+// flags for parameter sets
+PARAM_FILE = 1;
+PARAM_MODE = 2;
+PARAM_SIZE = 4;
+PARAM_IMAGE = 8;
+PARAM_DPI = 16;
+PARAM_MARK = 32;
+PARAM_PAGES = 64;
+PARAM_ALL = PARAM_FILE | PARAM_MODE | PARAM_SIZE | PARAM_IMAGE | PARAM_DPI | PARAM_MARK | PARAM_PAGES;
+
+// mouse drag area that counts as one click
+MIN_AREA_SIZE = 3 * 3 + 1;
+
+// standard zoom factor
+ZOOMFACTOR = Math.sqrt(2);
+
+// bird's eye view dimensions
+BIRD_MAXX = 100;
+BIRD_MAXY = 100;
+
+// with of arrow bars
+ARROW_WIDTH = 32;
function identify() {
// used for identifying a digilib instance
@@ -37,23 +61,55 @@
* more parameter handling
*/
+function initParameters() {
+// file
+ newParameter('fn', '', PARAM_FILE);
+ newParameter('pn', '1', PARAM_FILE);
+// mode
+ newParameter('ws', '1.0', PARAM_MODE);
+ newParameter('mo', '', PARAM_MODE);
+// relative dimensions of zoomed image
+ newParameter('wx', '0.0', PARAM_SIZE);
+ newParameter('wy', '0.0', PARAM_SIZE);
+ newParameter('ww', '1.0', PARAM_SIZE);
+ newParameter('wh', '1.0', PARAM_SIZE);
+// image manipulation
+ newParameter('brgt', '0.0', PARAM_IMAGE);
+ newParameter('cont', '0.0', PARAM_IMAGE);
+ newParameter('rot', '0.0', PARAM_IMAGE);
+ newParameter('rgba', '', PARAM_IMAGE);
+ newParameter('rgbm', '', PARAM_IMAGE);
+// resolution
+ newParameter('ddpi', '', PARAM_DPI);
+ newParameter('ddpix', '', PARAM_DPI);
+ newParameter('ddpiy', '', PARAM_DPI);
+// marks
+ newParameter('mk', '', PARAM_MARK);
+// pages total
+ newParameter('pt', '0', PARAM_PAGES);
+ }
+
function parseArea() {
// returns area Rectangle from current parameters
return new Rectangle(
- getParameter("wx"),
- getParameter("wy"),
- getParameter("ww"),
- getParameter("wh"));
- }
+ getParameter("wx"),
+ getParameter("wy"),
+ getParameter("ww"),
+ getParameter("wh"));
+ }
function setParamFromArea(rect) {
- // sets digilib wx etc. from rect
- setParameter("wx", cropFloat(rect.x));
- setParameter("wy", cropFloat(rect.y));
- setParameter("ww", cropFloat(rect.width));
- setParameter("wh", cropFloat(rect.height));
- return true;
- }
+ // sets digilib wx etc. from rect
+ setParameter("wx", cropFloat(rect.x));
+ setParameter("wy", cropFloat(rect.y));
+ setParameter("ww", cropFloat(rect.width));
+ setParameter("wh", cropFloat(rect.height));
+ return true;
+ }
+
+/* **********************************************
+ * parse parameters routines
+ * ******************************************** */
function parseTrafo(elem) {
// returns Transform from current dlArea and picsize
@@ -65,15 +121,14 @@
// scale to screen size
trafo.concat(getScale(picsize));
trafo.concat(getTranslation(picsize));
+ // FIX ME: Robert, kannst Du mal nachsehen, ob das folgende tut, was es soll?
+ // oder gibt es dafür neuen Code?
// rotate
- //trafo.concat(getRotation(- getParameter("rot"), new Position(0.5*picsize.width, 0.5*picsize.height)));
+ var rot = getRotation(- getParameter("rot"), new Position(0.5*picsize.width, 0.5*picsize.height));
+ trafo.concat(rot);
// mirror
- //if (hasFlag("hmir")) {
- //trafo.m00 = - trafo.m00;
- //}
- //if (hasFlag("vmir")) {
- //trafo.m11 = - trafo.m11;
- //}
+ if (hasFlag("hmir")) trafo.m00 = - trafo.m00; // ??
+ if (hasFlag("vmir")) trafo.m11 = - trafo.m11; // ??
return trafo;
}
@@ -82,8 +137,8 @@
var marks = new Array();
var param = getParameter("mk");
var pairs = (param.indexOf(";") >= 0)
- ? param.split(";") // old format with ";"
- : param.split(","); // new format
+ ? param.split(";") // old format with ";"
+ : param.split(","); // new format
for (var i = 0; i < pairs.length ; i++) {
var pos = pairs[i].split("/");
if (pos.length > 1) marks.push(new Position(pos[0], pos[1]));
@@ -91,7 +146,11 @@
return marks;
}
-function getAllMarks() {
+/* **********************************************
+ * marks routines
+ * ******************************************** */
+
+ function getAllMarks() {
// returns a string with all marks in query format
var marks = new Array();
for (var i = 0; i < dlMarks.length; i++)
@@ -102,58 +161,69 @@
getMarksQueryString = getAllMarks;
function addMark(evt) {
- // add a mark
- var pos = dlTrafo.invtransform(evtPosition(evt));
- dlMarks.push(pos)
- setParameter("mk", getAllMarks());
- return true;
- }
+ // add a mark
+ var pos = dlTrafo.invtransform(evtPosition(evt));
+ dlMarks.push(pos)
+ setParameter("mk", getAllMarks());
+ return true;
+ }
+
+function deleteMark() {
+ // delete the last mark
+ var mark = dlMarks.pop();
+ setParameter("mk", getAllMarks());
+ return true;
+ }
+
+function deleteAllMarks() {
+ // delete all marks and mk parameters
+ dlMarks.length = 0;
+ resetParameter("mk");
+ return true;
+ }
function createMarkDiv(index) {
- var div = document.createElement("div");
- div.className = "mark";
- div.id = "mark" + index;
- div.innerHTML = index + 1;
- document.body.appendChild(div);
- return div;
- }
+ var div = document.createElement("div");
+ div.className = "mark";
+ div.id = "mark" + index;
+ div.innerHTML = index + 1;
+ document.body.appendChild(div);
+ return div;
+ }
-function deleteMark() {
- // delete the last mark
- var mark = dlMarks.pop();
- setParameter("mk", getAllMarks());
- return true;
- }
+/* **********************************************
+ * flag routines
+ * ******************************************** */
function hasFlag(mode) {
- // returns if mode flag is set
- return (dlFlags[mode]);
- }
+ // returns if mode flag is set
+ return (dlFlags[mode]);
+ }
function addFlag(mode) {
- // add a mode flag
- dlFlags[mode] = mode;
- setParameter("mo", getAllFlags());
- return true;
- }
+ // add a mode flag
+ dlFlags[mode] = mode;
+ setParameter("mo", getAllFlags());
+ return true;
+ }
function removeFlag(mode) {
- // remove a mode flag
- if (dlFlags[mode]) delete dlFlags[mode];
- setParameter("mo", getAllFlags());
- return true;
- }
+ // remove a mode flag
+ if (dlFlags[mode]) delete dlFlags[mode];
+ setParameter("mo", getAllFlags());
+ return true;
+ }
function toggleFlag(mode) {
- // change a mode flag
- if (dlFlags[mode]) {
- delete dlFlags[mode];
- } else {
- dlFlags[mode] = mode;
- }
- setParameter("mo", getAllFlags());
- return true;
- }
+ // change a mode flag
+ if (dlFlags[mode]) {
+ delete dlFlags[mode];
+ } else {
+ dlFlags[mode] = mode;
+ }
+ setParameter("mo", getAllFlags());
+ return true;
+ }
function getAllFlags() {
// returns a string with all flags in query format
@@ -195,8 +265,8 @@
}
function setDLParam(e, s, relative) {
- // sets parameter based on HTML event
- var nam;
+ // sets parameter based on HTML event
+ var nam;
var val;
if (s.type && (s.type == "select-one")) {
nam = s.name;
@@ -221,131 +291,137 @@
function parseAllParameters() {
- // put the query parameters (sans "?") in the parameters array
- parseParameters(location.search.slice(1));
- // treat special parameters
- dlMarks = parseMarks();
- dlArea = parseArea();
- dlFlags = parseFlags();
- }
+ // put the query parameters (sans "?") in the parameters array
+ parseParameters(location.search.slice(1));
+ // treat special parameters
+ dlMarks = parseMarks();
+ dlArea = parseArea();
+ dlFlags = parseFlags();
+ }
function dl_param_init() {
- // initialisation before onload
- if (!baseLibVersion) alert("ERROR: baselib.js not loaded!");
- if (isDigilibInitialized) return false; // dl_param_init was already run
- 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);
- // parse parameters
- parseAllParameters();
- isDigilibInitialized = true;
- return true;
- }
+ // initialisation before onload
+ if (!baseLibVersion) alert("ERROR: baselib.js not loaded!");
+ if (isDigilibInitialized) return false; // dl_param_init was already run
+ dlMaxArea = new Rectangle(0.0, 0.0, 1.0, 1.0);
+ dlTrafo = new Transform();
+ // dlArea = new Rectangle(0.0, 0.0, 1.0, 1.0); // overwritten by parseAllParameters() below
+ // dlMarks = new Array(); // dito
+ // dlFlags = new Object(); // dito
+ elemScaler = null; // ?
+ picElem = null; // ?
+ // parse parameters
+ parseAllParameters();
+ isDigilibInitialized = true;
+ return true;
+ }
function dl_init() {
- // initalisation on load
- if (!isDigilibInitialized) dl_param_init();
- elemScaler = getElement("scaler");
- picElem = getElement("pic", true);
- // in N4 pic is in the scaler layer
- if (picElem == null && elemScaler) {
- picElem = elemScaler.document.images[0];
- }
- // give a name to the window containing digilib
- window.name = defined(dlTarget) && dlTarget
- ? dlTarget
- : "digilib";
- // put the query parameters (sans "?") in the parameters array
- parseAllParameters();
- // wait for image to load and display marks
- renderMarks();
- // done
- focus();
- }
+ // initalisation on load
+ if (!isDigilibInitialized) dl_param_init();
+ elemScaler = getElement("scaler");
+ picElem = getElement("pic", true);
+ // in N4 pic is in the scaler layer
+ if (picElem == null && elemScaler) {
+ picElem = elemScaler.document.images[0];
+ }
+ // give a name to the window containing digilib
+ window.name = defined(dlTarget) && dlTarget
+ ? dlTarget
+ : "digilib";
+ // put the query parameters (sans "?") in the parameters array
+ // parseAllParameters(); // has already been called in dl_param_init()
+ // wait for image to load and display marks
+ renderMarks();
+ // done
+ focus();
+ }
+
+initScaler = dl_init;
function loadScalerImage(detail) {
- var pic = getElement('pic');
- var scaler = getElement('scaler');
- var zoomDiv = getElement("zoom"); // test for presence only
- var overlay = getElement("overlay"); // test for presence only
- var picsize = bestPicSize(scaler, 50);
- var src = "../servlet/Scaler?"
- + getQueryString()
- + "&dw=" + picsize.width
- + "&dh=" + picsize.height;
- // debug(src);
- pic.src = src;
- dl_init(); // dl_init braucht die endgültigen Maße des pic Elements
- }
+ var pic = getElement('pic');
+ var scaler = getElement('scaler');
+ var zoomdiv = getElement("zoom"); // test for presence only
+ var overlay = getElement("overlay"); // test for presence only
+ var about = getElement("bird"); // test for presence only
+ var bird = getElement("bird"); // test for presence only
+ var picsize = bestPicSize(scaler, 50);
+ var src = "../servlet/Scaler?"
+ + getQueryString()
+ + "&dw=" + picsize.width
+ + "&dh=" + picsize.height;
+ // debug(src);
+ pic.src = src;
+ initScaler(); // dl_init braucht die endgültigen Maße des pic Elements
+ }
function display(detail) {
- // redisplay the page
- if (! detail) detail = 255;
- var queryString = getAllParameters(detail);
- if (reloadPage) {
- location.href
- = location.protocol + "//"
- + location.host
- + location.pathname
- + "?" + queryString;
- } else {
- loadScalerImage();
- }
- }
+ // redisplay the page
+ if (! detail) detail = PARAM_ALL;
+ var queryString = getAllParameters(detail);
+ if (reloadPage) {
+ location.href
+ = location.protocol + "//"
+ + location.host
+ + location.pathname
+ + "?" + queryString;
+ } else {
+ loadScalerImage();
+ }
+ }
/* **********************************************
* interactive digilib functions
* ******************************************** */
-
function renderMarks() {
- // make shure the image is loaded so we know its size
+ // make sure the image is loaded so we know its size
if (defined(picElem.complete) && !picElem.complete && !browserType.isN4 ) {
- setTimeout("renderMarks()", 100);
- return;
+ setTimeout("renderMarks()", 100);
+ return;
}
// put the visible marks on the image
dlTrafo = parseTrafo(picElem);
+ // debugProps(dlArea, "dlArea");
for (var i = 0; i < dlMarks.length; i++) {
- var div = document.getElementById("mark" + i) || createMarkDiv(i);
+ var div = document.getElementById("mark" + i) || createMarkDiv(i);
var mark = dlMarks[i];
- if (dlArea.containsPosition(mark)) {
- var mpos = dlTrafo.transform(mark);
- // suboptimal to place -5 pixels and not half size of mark-image
- // mpos.x = mpos.x -5;
- // mpos.y = mpos.y -5;
- moveElement(div, mpos);
- showElement(div, true);
- } else {
- // hide the other marks
- showElement(div, false);
- }
+ debugProps(mark, "mark");
+ if (dlArea.containsPosition(mark)) {
+ var mpos = dlTrafo.transform(mark); // FIX ME: transform does not change anything
+ debugProps(mark, "mpos");
+ // suboptimal to place -5 pixels and not half size of mark-image
+ // better not hide the marked spot (MR)
+ // mpos.x = mpos.x -5;
+ // mpos.y = mpos.y -5;
+ moveElement(div, mpos);
+ showElement(div, true);
+ } else {
+ // hide the other marks
+ showElement(div, false);
+ }
}
}
function setMark(reload) {
- function markEvent(evt) {
- // event handler adding a new mark
- unregisterEvent("mousedown", elemScaler, markEvent);
- addMark(evt);
- if ( defined(reload) && !reload ) {
- // don't redisplay
- renderMarks();
- return;
- }
- display();
- }
-
- // add a mark where clicked
- window.focus();
- // start event capturing
- registerEvent("mousedown", elemScaler, markEvent);
- }
+ function markEvent(evt) {
+ // event handler adding a new mark
+ unregisterEvent("mousedown", elemScaler, markEvent);
+ addMark(evt);
+ if ( defined(reload) && !reload ) {
+ // don't redisplay
+ renderMarks();
+ return;
+ }
+ display();
+ }
+
+ // add a mark where clicked
+ window.focus();
+ // start event capturing
+ registerEvent("mousedown", elemScaler, markEvent);
+ }
function removeMark(reload) {
// remove the last mark
@@ -359,80 +435,92 @@
}
function zoomArea() {
- var pt1, pt2;
- var zoomdiv = getElement("zoom");
- var overlay = getElement("overlay");
- // use overlay div to avoid ![]()
mousemove problems
- moveElement(overlay, getElementRect(picElem));
- showElement(overlay, true);
- // start event capturing
- registerEvent("mousedown", overlay, zoomStart);
- window.focus();
+ var pt1, pt2;
+ var zoomdiv = getElement("zoom");
+ var overlay = getElement("overlay");
+ // use overlay div to avoid ![]()
mousemove problems
+ var rect = getElementRect(picElem);
+ // FIX ME: is there a way to query the border width from CSS info?
+ // rect.x -= 2; // account for overlay borders
+ // rect.y -= 2;
+ moveElement(overlay, rect);
+ showElement(overlay, true);
+ // start event capturing
+ registerEvent("mousedown", overlay, zoomStart);
+ registerEvent("mousedown", elemScaler, zoomStart);
+ window.focus();
// mousedown handler: start moving
- function zoomStart(evt) {
- pt1 = evtPosition(evt);
- unregisterEvent("mousedown", overlay, zoomStart);
- // unregisterEvent("mousedown", zoomdiv, zoomStart);
- // setup and show zoom div
- moveElement(zoomdiv, Rectangle(pt1.x, pt1.y, 0, 0));
- showElement(zoomdiv, true);
- // register move events
- registerEvent("mousemove", overlay, zoomMove);
- registerEvent("mousemove", zoomdiv, zoomMove);
- // register up events for drag end
- registerEvent("mouseup", overlay, zoomEnd);
- registerEvent("mouseup", zoomdiv, zoomEnd);
- return stopEvent(evt);
- }
-
+ function zoomStart(evt) {
+ pt1 = evtPosition(evt);
+ unregisterEvent("mousedown", overlay, zoomStart);
+ unregisterEvent("mousedown", elemScaler, zoomStart);
+ // unregisterEvent("mousedown", zoomdiv, zoomStart);
+ // setup and show zoom div
+ moveElement(zoomdiv, Rectangle(pt1.x, pt1.y, 0, 0));
+ showElement(zoomdiv, true);
+ // register move events
+ registerEvent("mousemove", overlay, zoomMove);
+ registerEvent("mousemove", zoomdiv, zoomMove);
+ registerEvent("mousemove", elemScaler, zoomMove);
+ // register up events for drag end
+ registerEvent("mouseup", overlay, zoomEnd);
+ registerEvent("mouseup", zoomdiv, zoomEnd);
+ registerEvent("mouseup", elemScaler, zoomEnd);
+ return stopEvent(evt);
+ }
+
// mouseup handler: end moving
- function zoomEnd(evt) {
- pt2 = evtPosition(evt);
- // hide zoom div
- showElement(zoomdiv, false);
- showElement(overlay, false);
- // unregister move events
- unregisterEvent("mousemove", overlay, zoomMove);
- unregisterEvent("mousemove", zoomdiv, zoomMove);
- // unregister drag events
- unregisterEvent("mouseup", overlay, zoomEnd);
- unregisterEvent("mouseup", zoomdiv, zoomEnd);
- // calc offsets
- var rect = getRect(
- dlTrafo.invtransform(pt1),
- dlTrafo.invtransform(pt2)
- );
- // try again if area is too small
- if (rect.getArea() < 0.00001) return zoomArea();
- setParameter("wx", cropFloat(rect.x));
- setParameter("wy", cropFloat(rect.y));
- setParameter("ww", cropFloat(rect.width));
- setParameter("wh", cropFloat(rect.height));
- parseArea();
- // zoomed is always fit
- setParameter("ws", 1);
- display();
- return stopEvent(evt);
- }
-
+ function zoomEnd(evt) {
+ pt2 = evtPosition(evt);
+ // assume a click if the area is too small (up to 3 x 3 pixel)
+ var clickArea = getRect(pt1, pt2).getArea();
+ if (clickArea <= MIN_AREA_SIZE) return stopEvent(evt);
+ // hide zoom div
+ showElement(zoomdiv, false);
+ showElement(overlay, false);
+ // unregister move events
+ unregisterEvent("mousemove", overlay, zoomMove);
+ unregisterEvent("mousemove", zoomdiv, zoomMove);
+ unregisterEvent("mousemove", elemScaler, zoomMove);
+ // unregister drag events
+ unregisterEvent("mouseup", overlay, zoomEnd);
+ unregisterEvent("mouseup", zoomdiv, zoomEnd);
+ unregisterEvent("mouseup", elemScaler, zoomMove);
+ // calc offsets
+ var area = getRect(
+ // FIX ME: liefert negative x/y Werte, wenn hmir/vmir=1
+ dlTrafo.invtransform(pt1),
+ dlTrafo.invtransform(pt2)
+ );
+ setParameter("wx", cropFloat(area.x));
+ setParameter("wy", cropFloat(area.y));
+ setParameter("ww", cropFloat(area.width));
+ setParameter("wh", cropFloat(area.height));
+ // parseArea(); // why?
+ // zoomed is always fit
+ setParameter("ws", 1);
+ display();
+ return stopEvent(evt);
+ }
+
// mouse move handler
- function zoomMove(evt) {
- pt2 = evtPosition(evt);
- // update zoom div
- moveElement(zoomdiv, getRect(pt1, pt2));
- return stopEvent(evt);
- }
-
-// get zoom area from two points
- function getRect(p1, p2) {
- return new Rectangle(
- Math.min(p1.x, p2.x),
- Math.min(p1.y, p2.y),
- Math.abs(p1.x - p2.x),
- Math.abs(p1.y - p2.y)
- );
- }
+ function zoomMove(evt) {
+ pt2 = evtPosition(evt);
+ // update zoom div
+ moveElement(zoomdiv, getRect(pt1, pt2));
+ return stopEvent(evt);
+ }
+
+// get a rectangle from two points
+ function getRect(p1, p2) {
+ return new Rectangle(
+ Math.min(p1.x, p2.x),
+ Math.min(p1.y, p2.y),
+ Math.abs(p1.x - p2.x),
+ Math.abs(p1.y - p2.y)
+ );
+ }
}
function zoomBy(factor) {
@@ -482,12 +570,23 @@
registerEvent("mousedown", elemScaler, moveCenterEvent);
}
+function isFullArea(area) {
+ if (!area) area = dlArea;
+ return ((area.width == 1.0) && (area.height == 1.0));
+ }
+
+function canMove(movx, movy) {
+ if (isFullArea) return false;
+ return ((movx < 0) && (dlArea.x > 0))
+ || ((movy < 0) && (dlArea.y > 0))
+ || ((movx > 0) && (dlArea.x + dlArea.width < 1.0))
+ || ((movy > 0) && (dlArea.y + dlArea.height < 1.0))
+ }
+
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)) {
+ if (isFullArea) return;
// nothing to do
- return;
- }
var newarea = dlArea.copy();
newarea.x += parseFloat(movx)*dlArea.width;
newarea.y += parseFloat(movy)*dlArea.height;
@@ -501,12 +600,12 @@
function getRef(baseURL) {
// returns a reference to the current digilib set
if (!baseUrl) baseUrl
- = location.protocol
- + "//"
- + location.host
- + location.pathname;
+ = location.protocol
+ + "//"
+ + location.host
+ + location.pathname;
var hyperlinkRef = baseUrl;
- var params = getAllParameters(7 + 16); // all without ddpi, pt
+ var params = getAllParameters(PARAM_ALL & ~(PARAM_DPI | PARAM_PAGES)); // all without ddpi, pt
if (params.length > 0) hyperlinkRef += "?" + params;
return hyperlinkRef;
}
@@ -521,7 +620,7 @@
// returns the current q setting
for (var i = 0; i < 3; i++) {
if (hasFlag("q"+i)) return i;
- }
+ }
return 1
}
@@ -535,12 +634,12 @@
}
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);
- }
+ // 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
@@ -554,66 +653,193 @@
}
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(15 + 32); // all, no mark
- } else {
- display(3 + 32); // fn, pn, ws, mo + pt
- }
+ // 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(PARAM_ALL & ~PARAM_MARK); // all, no mark
+ } else {
+ display(PARAM_FILE | PARAM_MODE | PARAM_PAGES); // fn, pn, ws, mo + pt
+// FIX ME: currently the mirror status gets propagated to the other pages
+// hmir and vmir should not be mode flags, but boolean params!!!
+ }
}
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);
- }
+ // 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();
- }
+ // 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);
- }
+ // show or hide option div
+ var elem = getElement("dloptions");
+ showElement(elem, show);
+ // FIX ME: get rid of the dotted line around the buttons when focused
+ }
function showAboutDiv(show) {
- // show or hide "about" div
- var elem = getElement("about");
- if (elem == null) {
- if (!show) return;
- alert("About Digilib - dialog missing in HTML code!"
- + "\nDigilib Version: " + digilibVersion
- + "\ndlLib Version: " + dllibVersion
- + "\nbaseLib Version: " + baseLibVersion);
- return;
+ // show or hide "about" div
+ var elem = getElement("about");
+ if (elem == null) {
+ if (!show) return;
+ alert("About Digilib - dialog missing in HTML code!"
+ + "\nDigilib Version: " + digilibVersion
+ + "\ndlLib Version: " + dllibVersion
+ + "\nbaseLib Version: " + baseLibVersion);
+ return;
+ }
+ document.getElementById("digilib-version").innerHTML = "Digilib Version: " + digilibVersion;
+ document.getElementById("baselib-version").innerHTML = "baseLib Version: " + baseLibVersion;
+ document.getElementById("dllib-version").innerHTML = "dlLib Version: " + dllibVersion;
+ showElement(elem, show);
+ }
+
+function loadBirdImage() {
+ var img = getElement("bird-image");
+ var src = "../servlet/Scaler?"
+ + getQueryString(PARAM_FILE | PARAM_MODE)
+ + "&dw=" + BIRD_MAXX
+ + "&dh=" + BIRD_MAXY;
+ img.src = src;
+ }
+
+function showBirdDiv(show) {
+ // show or hide "bird's eye" div
+ var startPos; // anchor for dragging
+ var newRect; // position after drag
+ var birdImg = getElement("bird-image");
+ showElement(birdImg, show);
+ var birdArea = getElement("bird-area");
+ // dont show selector if area is full size
+ if (!show || isFullArea()) {
+ // hide area
+ showElement(birdArea, false);
+ return;
+ };
+ var birdImgRect = getElementRect(birdImg);
+ var area = parseArea();
+ // scale area down to img size
+ var birdAreaRect = new Rectangle(
+ // what about borders ??
+ birdImgRect.x + birdImgRect.width * area.x,
+ birdImgRect.y + birdImgRect.height * area.y,
+ birdImgRect.width * area.width,
+ birdImgRect.height * area.height
+ );
+ moveElement(birdArea, birdAreaRect);
+ showElement(birdArea, show);
+ registerEvent("mousedown", birdArea, birdAreaStartDrag);
+
+ function birdAreaStartDrag(evt) {
+ // mousedown handler: start drag
+ startPos = evtPosition(evt);
+ registerEvent("mousemove", birdArea, birdAreaMove);
+ registerEvent("mousemove", birdImg, birdAreaMove);
+ registerEvent("mouseup", birdArea, birdAreaEndDrag);
+ registerEvent("mouseup", birdImg, birdAreaEndDrag);
+
+ // debugProps(getElementRect(bird))
+ return stopEvent(evt);
+ }
+
+ function birdAreaMove(evt) {
+ // mousemove handler: drag
+ var pos = evtPosition(evt);
+ var dx = pos.x - startPos.x;
+ var dy = pos.y - startPos.y;
+ // move birdArea div, keeping size
+ newRect = new Rectangle(
+ birdAreaRect.x + dx,
+ birdAreaRect.y + dy,
+ birdAreaRect.width,
+ birdAreaRect.height);
+ // stay within image
+ newRect.stayInside(birdImgRect);
+ moveElement(birdArea, newRect);
+ showElement(birdArea, true);
+ return stopEvent(evt);
+ }
+
+ function birdAreaEndDrag(evt) {
+ // mouseup handler: reload page
+ unregisterEvent("mousemove", birdArea, birdAreaMove);
+ unregisterEvent("mouseup", birdArea, birdAreaEndDrag);
+ unregisterEvent("mousemove", birdImg, birdAreaMove);
+ unregisterEvent("mouseup", birdImg, birdAreaEndDrag);
+ setParameter("wx", cropFloat((newRect.x - birdImgRect.x) / birdImgRect.width));
+ setParameter("wy", cropFloat((newRect.y - birdImgRect.y) / birdImgRect.height));
+ // width and height parameters remain the same
+ // setParameter("ww", cropFloat(newRect.width / birdImgRect.width));
+ // setParameter("ww", cropFloat(newRect.height / birdImgRect.height));
+ // parseArea(); // why?
+ // zoomed is always fit
+ setParameter("ws", 1);
+ display();
+ return stopEvent(evt);
+ }
+ }
+
+ function showArrows() {
+ if (defined(picElem.complete) && !picElem.complete && !browserType.isN4 ) {
+ setTimeout("showArrows()", 100);
+ return;
+ }
+ var arrow, pos, r;
+ r = getElementRect(picElem);
+ // up
+ arrow = getElement("up");
+ pos = r.copy();
+ pos.height = ARROW_WIDTH;
+ moveElement(arrow, pos);
+ showElement(arrow, true);
+ // down
+ arrow = getElement("down");
+ pos = r.copy();
+ pos.y = pos.y + pos.height - ARROW_WIDTH;
+ pos.height = ARROW_WIDTH;
+ debugProps(pos);
+ moveElement(arrow, pos);
+ showElement(arrow, true);
+ // left
+ arrow = getElement("left");
+ pos = r.copy();
+ pos.width = ARROW_WIDTH;
+ debugProps(pos);
+ moveElement(arrow, pos);
+ showElement(arrow, true);
+ // right
+ arrow = getElement("right");
+ pos = r.copy();
+ pos.x = pos.x + pos.width - ARROW_WIDTH;
+ pos.width = ARROW_WIDTH;
+ debugProps(pos);
+ moveElement(arrow, pos);
+ showElement(arrow, true);
}
- document.getElementById("digilib-version").innerHTML = "Digilib Version: " + digilibVersion;
- document.getElementById("baselib-version").innerHTML = "baseLib Version: " + baseLibVersion;
- document.getElementById("dllib-version").innerHTML = "dlLib Version: " + dllibVersion;
- showElement(elem, show);
- }
+