digilib-old: webapp/src/main/webapp/jquery/jquery.digilib.birdseye.js annotate

annotate webapp/src/main/webapp/jquery/jquery.digilib.birdseye.js @ 1118:f0474c1faaff

trying new annotator authentication.

author	robcast
date	Tue, 06 Nov 2012 18:24:39 +0100
parents	4aa90cccb3e4
children

rev	line source
799 12f790cb30de started to adapt regions plugin to new plugin mechanism hertzhaft parents: 796 diff changeset	1 /**
12f790cb30de started to adapt regions plugin to new plugin mechanism hertzhaft parents: 796 diff changeset	2 digilib bird's eye view plugin
791 304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	3 */
304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	4
304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	5 (function($) {
304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	6
304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	7 // affine geometry plugin stub
304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	8 var geom;
304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	9
811 136fc3320f50 some small additions to birdview hertzhaft parents: 809 diff changeset	10 // digilib object
136fc3320f50 some small additions to birdview hertzhaft parents: 809 diff changeset	11 var digilib;
136fc3320f50 some small additions to birdview hertzhaft parents: 809 diff changeset	12
791 304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	13 var FULL_AREA;
304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	14
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	15 var buttons = {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	16 bird : {
944 3916303b8f17 "preview" works now also for zoomIn/Out robcast parents: 943 diff changeset	17 'onclick' : "showBirdDiv",
3916303b8f17 "preview" works now also for zoomIn/Out robcast parents: 943 diff changeset	18 'tooltip' : "show bird's eye view",
3916303b8f17 "preview" works now also for zoomIn/Out robcast parents: 943 diff changeset	19 'icon' : "birds-eye.png"
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	20 }
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	21 };
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	22
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	23 var defaults = {
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	24 // is birdView shown?
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	25 'isBirdDivVisible' : false,
1031 e077f52205a7 autoBirdDiv option hertzhaft parents: 1016 diff changeset	26 // is birdView automatically shown for a zoomed image and hidden when not?
e077f52205a7 autoBirdDiv option hertzhaft parents: 1016 diff changeset	27 'autoBirdDiv' : false,
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	28 // dimensions of bird's eye div
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	29 'birdDivWidth' : 200,
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	30 'birdDivHeight' : 200,
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	31 // parameters used by bird's eye div
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	32 'birdDivParams' : ['fn','pn','dw','dh']
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	33 };
799 12f790cb30de started to adapt regions plugin to new plugin mechanism hertzhaft parents: 796 diff changeset	34
791 304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	35 var actions = {
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	36 // event handler: toggles the visibility of the bird's eye window
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	37 showBirdDiv : function (data, show) {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	38 var settings = data.settings;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	39 if (data.$birdDiv == null) {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	40 // no bird div -> create
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	41 setupBirdDiv(data);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	42 }
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	43 var on = digilib.fn.showDiv(settings.isBirdDivVisible, data.$birdDiv, show);
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	44 settings.isBirdDivVisible = on;
947 5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	45 //digilib.fn.highlightButtons(data, 'bird', on);
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	46 updateBirdDiv(data);
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	47 digilib.fn.storeOptions(data);
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	48 }
799 12f790cb30de started to adapt regions plugin to new plugin mechanism hertzhaft parents: 796 diff changeset	49 };
12f790cb30de started to adapt regions plugin to new plugin mechanism hertzhaft parents: 796 diff changeset	50
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	51 // plugin installation called by digilib on plugin object.
811 136fc3320f50 some small additions to birdview hertzhaft parents: 809 diff changeset	52 var install = function(plugin) {
136fc3320f50 some small additions to birdview hertzhaft parents: 809 diff changeset	53 digilib = plugin;
808 ae8e98c479d5 stub for new plugins; overlay div for regions plugin hertzhaft parents: 799 diff changeset	54 console.debug('installing birdseye plugin. digilib:', digilib);
791 304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	55 // import geometry classes
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	56 geom = digilib.fn.geometry;
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	57 FULL_AREA = geom.rectangle(0,0,1,1);
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	58 // add defaults
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	59 $.extend(digilib.defaults, defaults);
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	60 // add actions
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	61 $.extend(digilib.actions, actions);
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	62 // add buttons
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	63 $.extend(digilib.buttons, buttons);
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	64 // insert in button list -- not elegant
1048 4aa90cccb3e4 make plugins independent from buttons plugin hertzhaft parents: 1031 diff changeset	65 if (digilib.plugins.buttons != null) {
4aa90cccb3e4 make plugins independent from buttons plugin hertzhaft parents: 1031 diff changeset	66 // if (digilib.defaults.buttonSettings != null) {
983 66db81af85e1 moved scroll arrows to separate plugin. robcast parents: 953 diff changeset	67 digilib.defaults.buttonSettings.fullscreen.standardSet.splice(9, 0, 'bird');
66db81af85e1 moved scroll arrows to separate plugin. robcast parents: 953 diff changeset	68 digilib.defaults.buttonSettings.embedded.standardSet.splice(5, 0, 'bird');
66db81af85e1 moved scroll arrows to separate plugin. robcast parents: 953 diff changeset	69 }
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	70 };
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	71
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	72 // plugin initialization
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	73 var init = function (data) {
808 ae8e98c479d5 stub for new plugins; overlay div for regions plugin hertzhaft parents: 799 diff changeset	74 console.debug('initialising birdseye plugin. data:', data);
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	75 var $data = $(data);
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	76 // install event handler
920 07c989c41b4f made plugins more jquery 1.7 compliant robcast parents: 903 diff changeset	77 $data.on('setup', handleSetup);
07c989c41b4f made plugins more jquery 1.7 compliant robcast parents: 903 diff changeset	78 $data.on('update', handleUpdate);
07c989c41b4f made plugins more jquery 1.7 compliant robcast parents: 903 diff changeset	79 $data.on('redisplay', handleRedisplay);
947 5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	80 $data.on('changeZoomArea', handleChangeZoomArea);
791 304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	81 };
799 12f790cb30de started to adapt regions plugin to new plugin mechanism hertzhaft parents: 796 diff changeset	82
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	83
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	84 var handleSetup = function (evt) {
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	85 console.debug("birdseye: handleSetup");
941 565789329189 fix non-local variable use. robcast parents: 920 diff changeset	86 var data = this;
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	87 // bird's eye view creation
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	88 if (data.settings.isBirdDivVisible) {
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	89 setupBirdDiv(data);
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	90 data.$birdDiv.show();
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	91 }
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	92 };
799 12f790cb30de started to adapt regions plugin to new plugin mechanism hertzhaft parents: 796 diff changeset	93
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	94 var handleUpdate = function (evt) {
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	95 console.debug("birdseye: handleUpdate");
941 565789329189 fix non-local variable use. robcast parents: 920 diff changeset	96 var data = this;
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	97 if (data.settings.isBirdDivVisible) {
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	98 renderBirdArea(data);
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	99 setupBirdDrag(data);
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	100 }
00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	101 };
799 12f790cb30de started to adapt regions plugin to new plugin mechanism hertzhaft parents: 796 diff changeset	102
796 6aa9908303f1 added redisplay handler to birdseye. updated plugin docu. robcast parents: 795 diff changeset	103 var handleRedisplay = function (evt) {
953 3d5e7458f9ae fixed birdseye region positioning after layout reflow. robcast parents: 952 diff changeset	104 // TODO: do we need this?
796 6aa9908303f1 added redisplay handler to birdseye. updated plugin docu. robcast parents: 795 diff changeset	105 console.debug("birdseye: handleRedisplay");
941 565789329189 fix non-local variable use. robcast parents: 920 diff changeset	106 var data = this;
997 bc969618c42f make birdseye react to isBirdDivVisible hertzhaft parents: 996 diff changeset	107 actions.showBirdDiv(data, data.settings.isBirdDivVisible);
796 6aa9908303f1 added redisplay handler to birdseye. updated plugin docu. robcast parents: 795 diff changeset	108 };
799 12f790cb30de started to adapt regions plugin to new plugin mechanism hertzhaft parents: 796 diff changeset	109
947 5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	110 var handleChangeZoomArea = function (evt, zoomArea) {
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	111 //console.debug("birdseye: handleDragZoom za="+zoomArea);
941 565789329189 fix non-local variable use. robcast parents: 920 diff changeset	112 var data = this;
997 bc969618c42f make birdseye react to isBirdDivVisible hertzhaft parents: 996 diff changeset	113 updateBirdZoom(data, zoomArea);
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	114 };
799 12f790cb30de started to adapt regions plugin to new plugin mechanism hertzhaft parents: 796 diff changeset	115
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	116 // returns URL for bird's eye view image
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	117 var getBirdImgUrl = function (data) {
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	118 var settings = data.settings;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	119 var birdDivOptions = {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	120 dw : settings.birdDivWidth,
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	121 dh : settings.birdDivHeight
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	122 };
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	123 var birdSettings = $.extend({}, settings, birdDivOptions);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	124 // use only the relevant parameters
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	125 var params = digilib.fn.getParamString(birdSettings, settings.birdDivParams, digilib.defaults);
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	126 var url = settings.scalerBaseUrl + '?' + params;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	127 return url;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	128 };
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	129
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	130 // creates HTML structure for the bird's eye view in elem
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	131 var setupBirdDiv = function (data) {
996 0b63093d598e cssPrefix works now. robcast parents: 983 diff changeset	132 var cssPrefix = data.settings.cssPrefix;
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	133 var $elem = data.$elem;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	134 // the bird's eye div
996 0b63093d598e cssPrefix works now. robcast parents: 983 diff changeset	135 var $birdDiv = $('<div class="'+cssPrefix+'birdview" style="display:none"/>');
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	136 // the detail indicator frame
996 0b63093d598e cssPrefix works now. robcast parents: 983 diff changeset	137 var $birdZoom = $('<div class="'+cssPrefix+'birdzoom" style="display:none; background-color:transparent;"/>');
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	138 // the small image
996 0b63093d598e cssPrefix works now. robcast parents: 983 diff changeset	139 var $birdImg = $('<img class="'+cssPrefix+'birdimg"/>');
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	140 data.$birdDiv = $birdDiv;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	141 data.$birdZoom = $birdZoom;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	142 data.$birdImg = $birdImg;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	143 $elem.append($birdDiv);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	144 $birdDiv.append($birdZoom);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	145 $birdDiv.append($birdImg);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	146 // $birdZoom.css(data.settings.birdIndicatorStyle);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	147 var birdUrl = getBirdImgUrl(data);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	148 $birdImg.load(birdImgLoadedHandler(data));
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	149 $birdImg.error(function () {console.error("error loading birdview image");});
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	150 $birdImg.attr('src', birdUrl);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	151 };
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	152
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	153 // update bird's eye view
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	154 var updateBirdDiv = function (data) {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	155 if (!data.settings.isBirdDivVisible) return;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	156 var $birdImg = data.$birdImg;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	157 var oldsrc = $birdImg.attr('src');
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	158 var newsrc = getBirdImgUrl(data);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	159 if (oldsrc !== newsrc) {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	160 $birdImg.attr('src', newsrc);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	161 // onload handler re-renders
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	162 } else {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	163 // re-render
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	164 renderBirdArea(data);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	165 // enable click and drag
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	166 setupBirdDrag(data);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	167 }
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	168 };
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	169
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	170 // returns function for load event of bird's eye view img
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	171 var birdImgLoadedHandler = function (data) {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	172 return function () {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	173 var $birdImg = $(this);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	174 var birdRect = geom.rectangle($birdImg);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	175 console.debug("birdImg loaded!", $birdImg, "rect=", birdRect, "data=", data);
947 5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	176 // create Transform from current area and picsize
5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	177 data.birdTrafo = digilib.fn.getImgTrafo(data.$birdImg, FULL_AREA);
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	178 // update display (zoom area indicator)
1013 ae419ec528f1 avoid infinite update event loop hertzhaft parents: 997 diff changeset	179 if (data.settings.isBirdDivVisible) {
1016 168e8aa7e9a5 get rid of another callback loop hertzhaft parents: 1013 diff changeset	180 if (birdRect.width === 0) {
168e8aa7e9a5 get rid of another callback loop hertzhaft parents: 1013 diff changeset	181 // workaround: IE7 calls load handler when there is no size info yet
168e8aa7e9a5 get rid of another callback loop hertzhaft parents: 1013 diff changeset	182 setTimeout(function () { $birdImg.triggerHandler('load'); }, 200);
168e8aa7e9a5 get rid of another callback loop hertzhaft parents: 1013 diff changeset	183 return;
168e8aa7e9a5 get rid of another callback loop hertzhaft parents: 1013 diff changeset	184 }
1013 ae419ec528f1 avoid infinite update event loop hertzhaft parents: 997 diff changeset	185 renderBirdArea(data);
ae419ec528f1 avoid infinite update event loop hertzhaft parents: 997 diff changeset	186 }
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	187 };
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	188 };
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	189
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	190 // show zoom area indicator on bird's eye view
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	191 var renderBirdArea = function (data) {
952 e3dc84cbb766 disable forced load event causing problem with firefox. robcast parents: 947 diff changeset	192 if (data.$birdImg == null \|\| ! data.$birdImg.prop('complete') \|\| data.birdTrafo == null) return;
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	193 var $birdZoom = data.$birdZoom;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	194 var zoomArea = data.zoomArea;
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	195 var normalSize = digilib.fn.isFullArea(zoomArea);
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	196 if (normalSize) {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	197 $birdZoom.hide();
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	198 return;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	199 } else {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	200 $birdZoom.show();
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	201 }
953 3d5e7458f9ae fixed birdseye region positioning after layout reflow. robcast parents: 952 diff changeset	202 // update birdTrafo
3d5e7458f9ae fixed birdseye region positioning after layout reflow. robcast parents: 952 diff changeset	203 data.birdTrafo = digilib.fn.getImgTrafo(data.$birdImg, FULL_AREA);
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	204 var zoomRect = data.birdTrafo.transform(zoomArea);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	205 console.debug("renderBirdArea:", zoomRect, "zoomArea:", zoomArea, "$birdTrafo:", data.birdTrafo);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	206 // acount for border width
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	207 var bw = digilib.fn.getBorderWidth($birdZoom);
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	208 zoomRect.addPosition({x : -bw, y : -bw});
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	209 if (data.settings.interactionMode === 'fullscreen') {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	210 // no animation for fullscreen
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	211 zoomRect.adjustDiv($birdZoom);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	212 } else {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	213 // nice animation for embedded mode :-)
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	214 // correct offsetParent because animate doesn't use offset
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	215 var ppos = $birdZoom.offsetParent().offset();
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	216 var dest = {
944 3916303b8f17 "preview" works now also for zoomIn/Out robcast parents: 943 diff changeset	217 'left' : (zoomRect.x - ppos.left) + 'px',
3916303b8f17 "preview" works now also for zoomIn/Out robcast parents: 943 diff changeset	218 'top' : (zoomRect.y - ppos.top) + 'px',
3916303b8f17 "preview" works now also for zoomIn/Out robcast parents: 943 diff changeset	219 'width' : zoomRect.width,
3916303b8f17 "preview" works now also for zoomIn/Out robcast parents: 943 diff changeset	220 'height' : zoomRect.height
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	221 };
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	222 $birdZoom.animate(dest);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	223 }
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	224 };
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	225
947 5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	226 // move bird zoom indicator to reflect zoomed detail area
5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	227 var updateBirdZoom = function(data, zoomArea) {
997 bc969618c42f make birdseye react to isBirdDivVisible hertzhaft parents: 996 diff changeset	228 if (!data.settings.isBirdDivVisible) return;
947 5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	229 var birdRect = data.birdTrafo.transform(zoomArea);
5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	230 var $birdZoom = data.$birdZoom;
5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	231 // acount for border width
5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	232 var bw = digilib.fn.getBorderWidth($birdZoom);
5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	233 birdRect.addPosition({x : -bw, y : -bw});
5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	234 birdRect.adjustDiv(data.$birdZoom);
5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	235 };
5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	236
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	237 // bird's eye view zoom area click and drag handler
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	238 var setupBirdDrag = function(data) {
996 0b63093d598e cssPrefix works now. robcast parents: 983 diff changeset	239 var cssPrefix = data.settings.cssPrefix;
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	240 var $birdImg = data.$birdImg;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	241 var $birdZoom = data.$birdZoom;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	242 var $document = $(document);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	243 var $scaler = data.$scaler;
944 3916303b8f17 "preview" works now also for zoomIn/Out robcast parents: 943 diff changeset	244 var startPos, newRect, birdImgRect, birdZoomRect;
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	245 var bw = digilib.fn.getBorderWidth($birdZoom);
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	246
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	247 // mousedown handler: start dragging bird zoom to a new position
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	248 var birdZoomStartDrag = function(evt) {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	249 startPos = geom.position(evt);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	250 // position may have changed
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	251 data.birdTrafo = digilib.fn.getImgTrafo($birdImg, FULL_AREA);
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	252 birdImgRect = geom.rectangle($birdImg);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	253 birdZoomRect = geom.rectangle($birdZoom);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	254 newRect = null;
996 0b63093d598e cssPrefix works now. robcast parents: 983 diff changeset	255 data.$elem.find('.'+cssPrefix+'overlay').hide(); // hide all overlays (marks/regions)
920 07c989c41b4f made plugins more jquery 1.7 compliant robcast parents: 903 diff changeset	256 $document.on("mousemove.dlBirdMove", birdZoomMove);
07c989c41b4f made plugins more jquery 1.7 compliant robcast parents: 903 diff changeset	257 $document.on("mouseup.dlBirdMove", birdZoomEndDrag);
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	258 return false;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	259 };
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	260
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	261 // mousemove handler: drag
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	262 var birdZoomMove = function(evt) {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	263 var pos = geom.position(evt);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	264 var delta = startPos.delta(pos);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	265 // move birdZoom div, keeping size
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	266 newRect = birdZoomRect.copy();
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	267 newRect.addPosition(delta);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	268 newRect.stayInside(birdImgRect);
947 5bde01bcfb16 button plugin works now. robcast parents: 944 diff changeset	269 // acount for border width
996 0b63093d598e cssPrefix works now. robcast parents: 983 diff changeset	270 /* newRect.addPosition({x : -bw, y : -bw});
0b63093d598e cssPrefix works now. robcast parents: 983 diff changeset	271 newRect.adjustDiv($birdZoom); */
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	272 // reflect birdview zoom position in scaler image
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	273 var area = data.birdTrafo.invtransform(newRect);
944 3916303b8f17 "preview" works now also for zoomIn/Out robcast parents: 943 diff changeset	274 $(data).trigger('changeZoomArea', area);
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	275 return false;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	276 };
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	277
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	278 // mouseup handler: reload page
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	279 var birdZoomEndDrag = function(evt) {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	280 var settings = data.settings;
920 07c989c41b4f made plugins more jquery 1.7 compliant robcast parents: 903 diff changeset	281 $document.off("mousemove.dlBirdMove", birdZoomMove);
07c989c41b4f made plugins more jquery 1.7 compliant robcast parents: 903 diff changeset	282 $document.off("mouseup.dlBirdMove", birdZoomEndDrag);
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	283 if (newRect == null) {
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	284 // no movement happened - set center to click position
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	285 startPos = birdZoomRect.getCenter();
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	286 birdZoomMove(evt);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	287 }
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	288 // ugly, but needed to prevent double border width compensation
996 0b63093d598e cssPrefix works now. robcast parents: 983 diff changeset	289 /* newRect.addPosition({x : bw, y : bw}); */
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	290 var newArea = data.birdTrafo.invtransform(newRect);
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	291 data.zoomArea = newArea;
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	292 digilib.fn.redisplay(data);
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	293 return false;
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	294 };
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	295
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	296 // clear old handler
920 07c989c41b4f made plugins more jquery 1.7 compliant robcast parents: 903 diff changeset	297 $document.off(".dlBirdMove");
07c989c41b4f made plugins more jquery 1.7 compliant robcast parents: 903 diff changeset	298 $birdImg.off(".dlBirdMove");
07c989c41b4f made plugins more jquery 1.7 compliant robcast parents: 903 diff changeset	299 $birdZoom.off(".dlBirdMove");
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	300 if (! digilib.fn.isFullArea(data.zoomArea)) {
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	301 // set new handler
920 07c989c41b4f made plugins more jquery 1.7 compliant robcast parents: 903 diff changeset	302 $birdImg.on("mousedown.dlBirdMove", birdZoomStartDrag);
07c989c41b4f made plugins more jquery 1.7 compliant robcast parents: 903 diff changeset	303 $birdZoom.on("mousedown.dlBirdMove", birdZoomStartDrag);
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	304 }
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	305 };
63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	306
791 304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	307 // plugin object with name and init
304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	308 // shared objects filled by digilib on registration
808 ae8e98c479d5 stub for new plugins; overlay div for regions plugin hertzhaft parents: 799 diff changeset	309 var plugin = {
791 304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	310 name : 'birdseye',
793 63c1b33e38b1 documentation for new plugin api in jquery-digilib-plugin.txt. robcast parents: 791 diff changeset	311 install : install,
795 00d37112d062 birds eye view now as a plugin. robcast parents: 793 diff changeset	312 init : init,
791 304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	313 buttons : {},
304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	314 actions : {},
304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	315 fn : {},
304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	316 plugins : {}
304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	317 };
799 12f790cb30de started to adapt regions plugin to new plugin mechanism hertzhaft parents: 796 diff changeset	318
791 304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	319 if ($.fn.digilib == null) {
809 2985cdae5414 plugin name has changed to birdseye :-) hertzhaft parents: 808 diff changeset	320 $.error("jquery.digilib.birdseye must be loaded after jquery.digilib!");
791 304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	321 } else {
808 ae8e98c479d5 stub for new plugins; overlay div for regions plugin hertzhaft parents: 799 diff changeset	322 $.fn.digilib('plugin', plugin);
791 304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	323 }
304488c72344 first step to birdseye view as a plugin. robcast parents: diff changeset	324 })(jQuery);