1 /***************************************************************************
3 * phpfspot, presents your F-Spot photo collection in Web browsers.
5 * Copyright (c) by Andreas Unterkircher
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21 ***************************************************************************/
26 * this function will be called by client and fetches
27 * the single-photo view via AJAX from the server.
28 * Furthermore it will scrollup the browser to the top
29 * position so the image become visibile immediatley.
31 function showPhoto(id, scrollup)
33 /* is phpfspot skeleton really displayed? */
34 if(!document.getElementById('content'))
37 var content = document.getElementById('content');
39 /* blank the screen */
40 if(scrollup != undefined) {
41 content.innerHTML = "";
44 /* fetch single-photo view from server */
45 HTML_AJAX.replace(content, encodeURI(web_path + '/rpc.php?action=showphoto&id=' + id));
47 /* scroll the window up to the top */
48 if(scrollup != undefined) {
52 /* delete some global vars */
53 delete(origHeight); origHeight = undefined;
54 delete(origWidth); origWidth = undefined;
55 delete(photo_details_pos); photo_details_pos = undefined;
60 * scroll browser to the last shown photo
62 * this function will be called when user returns from single-photo
63 * to the photo index. It will scroll down the window (if possible)
64 * to the position of the last shown photo.
66 function moveToThumb(thumb_id)
68 if(thumb_id == undefined)
71 if(thumbimg = document.getElementById('thumbimg' + thumb_id)) {
72 window.scrollTo(0, findPos(thumbimg,'top')-100);
78 * return position of object
80 * this function returns the position of an object.
81 * depending on the parameter 'direction' it will either
82 * return the X or Y position.
84 function findPos(obj, direction) {
86 if (obj.offsetParent) {
88 if(direction == 'left')
89 cur += obj.offsetLeft;
90 if(direction == 'top')
92 } while (obj = obj.offsetParent);
99 * opens the credits page
101 function showCredits()
103 var credits = document.getElementById("content");
104 credits.innerHTML = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=showcredits'));
109 * tag-selection handling
111 * this function is getting called by client to either
114 * - modify tag-match condition
116 * It will then fetch the result from the server via AJAX
117 * and updates the tag-selection.
119 function Tags(mode, id)
121 var objTemp = new Object();
124 // add tag to users session
125 objTemp['action'] = 'addtag';
128 else if(mode == "del") {
129 // del tag from users session
130 objTemp['action'] = 'deltag';
133 else if(mode == "condition") {
134 setCheckedValue(id, id.value);
135 objTemp['action'] = 'tagcondition';
136 objTemp['mode'] = id.value;
139 var retr = HTML_AJAX.post(web_path + '/rpc.php', objTemp);
141 refreshAvailableTags();
142 refreshSelectedTags();
146 window.alert("Server message: "+ retr);
152 * update available-tags tag-cloud
154 * this function queries an actual version of the tag-cloud
155 * for the available (not-selected) tags from the server via
158 function refreshAvailableTags()
160 // update available tags
161 var avail_tags = document.getElementById('available_tags');
162 if(avail_tags != undefined) {
163 avail_tags.innerHTML = "Loading...";
164 avail_tags.innerHTML = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=show_available_tags'));
167 } // refreshAvailableTags()
170 * update selected-tags list
172 * this function queries an actual version of the tag-list
173 * for the selected tags from the server via AJAX.
175 function refreshSelectedTags()
177 // update selected tags
178 var selected_tags = document.getElementById("selected_tags");
179 if(selected_tags != undefined) {
180 selected_tags.innerHTML = "Loading...";
181 selected_tags.innerHTML = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=show_selected_tags'));
184 } // refreshSelectedTags()
189 * this function will fetch the photo-index view from
190 * the server via AJAX. It's also used to browse through
191 * the photo-index pages
193 function showPhotoIndex(begin_with, last_photo)
195 var url = web_path + "/rpc.php?action=show_photo_index";
196 if(begin_with != undefined)
197 url = url + '&begin_with=' + begin_with;
198 if(last_photo != undefined)
199 url = url + '&last_photo=' + last_photo;
201 HTML_AJAX.replace(document.getElementById("content"), encodeURI(url));
203 } // showPhotoIndex()
208 * this function will be called, to request a refresh of the
209 * photo index. this, for example, can be caused, when changing
212 function refreshPhotoIndex()
214 /* only invoke showPhotoIndex(), if photo-index is really shown */
215 if(document.getElementById("index") != undefined || startup == 1) {
220 } // refreshPhotoIndex()
225 * this function removes the focus-rectangle which may appear
226 * when click on a link. Not always beautiful.
228 function click(object)
236 * change current radio-button setting
238 * This function will check the radio-button with the given value.
239 * If no radio-button is currently displayed, this function will do
241 * If the given value does not exist, the existing radio buttons will
244 function setCheckedValue(condition, value) {
246 var count = condition.length;
247 if(count == undefined) {
248 condition.checked = (condition.value == value.toString());
251 for(var i = 0; i < count; i++) {
252 condition[i].checked = false;
253 if(condition[i].value == value.toString()) {
254 condition[i].checked = true;
258 } // setCheckedValue()
263 * This function will be invoked by starting
264 * any kind of search (tag-name, photo-name, date, ...).
266 function startSearch()
268 from_year = document.getElementById('fromyear').value;
269 from_month = document.getElementById('frommonth').value;
270 from_day = document.getElementById('fromday').value;
271 from = from_year +"-"+ from_month +"-"+ from_day;
272 to_year = document.getElementById('toyear').value;
273 to_month = document.getElementById('tomonth').value;
274 to_day = document.getElementById('today').value;
275 to = to_year +"-"+ to_month +"-"+ to_day;
277 var objTemp = new Object();
278 objTemp['action'] = 'search';
280 if(document.getElementsByName('searchfor_tag')[0] != undefined &&
281 document.getElementsByName('searchfor_tag')[0].value != "") {
282 objTemp['for_tag'] = document.getElementsByName('searchfor_tag')[0].value;
284 if(document.getElementsByName('searchfor_name')[0] != undefined &&
285 document.getElementsByName('searchfor_name')[0].value != "") {
286 objTemp['for_name'] = document.getElementsByName('searchfor_name')[0].value;
288 if(document.getElementsByName('consider_date')[0] != undefined &&
289 document.getElementsByName('consider_date')[0].checked == true) {
290 objTemp['from'] = from;
293 if(document.getElementsByName('consider_rate')[0] != undefined &&
294 document.getElementsByName('consider_rate')[0].checked == true) {
295 objTemp['rate_from'] = rate_search['from'];
296 objTemp['rate_to'] = rate_search['to'];
299 var retr = HTML_AJAX.post(web_path + '/rpc.php', objTemp);
301 refreshAvailableTags();
302 refreshSelectedTags();
306 window.alert("Server message: "+ retr);
312 * enable/disable date search
314 * this function will either enable or disable the
315 * input fields for the date-search
317 function datesearch()
321 if(document.getElementsByName('consider_date')[0].checked == true) {
325 document.getElementById('fromyear').disabled = mode;
326 document.getElementById('frommonth').disabled = mode;
327 document.getElementById('fromday').disabled = mode;
328 document.getElementById('toyear').disabled = mode;
329 document.getElementById('tomonth').disabled = mode;
330 document.getElementById('today').disabled = mode;
337 * called for photo-index export. will return the
338 * selected mode via AJAX from the server.
340 function setViewMode(srv_webpath, mode)
342 if(srv_webpath != undefined)
343 web_path = srv_webpath;
347 var exprt = document.getElementById('output');
348 exprt.innerHTML = "Loading...";
349 exprt.innerHTML = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=get_export&mode=' + mode));
354 * reset all search-fields
356 function clearSearch()
358 if(document.getElementsByName('searchfor_tag')[0] != undefined)
359 document.getElementsByName('searchfor_tag')[0].value = '';
360 if(document.getElementsByName('searchfor_name')[0] != undefined)
361 document.getElementsByName('searchfor_name')[0].value = '';
363 if(document.getElementsByName('consider_date')[0] != undefined &&
364 document.getElementsByName('consider_date')[0].checked == true) {
365 document.getElementsByName('consider_date')[0].checked = false;
368 if(document.getElementsByName('consider_rate')[0] != undefined &&
369 document.getElementsByName('consider_rate')[0].checked == true) {
370 document.getElementsByName('consider_rate')[0].checked = false;
376 * if the client is planless, ask the server what to do
379 function AskServerWhatToDo()
381 return HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=what_to_do'));
383 } // AskServerWhatToDo()
388 * this function will be called when the browser opens phpfspot
389 * the first time. It will fetch the tag-lists and will then
390 * switch to the right view, which the browser got told from
391 * the server (maybe someone hit the refresh button...).
393 * as parameter the server can set the correct webpath.
394 * espacialley when using user-friendly url's, the browser
395 * does not know the correct URLs to address images, stylesheets,
398 function init_phpfspot(srv_webpath)
400 if(srv_webpath != undefined)
401 web_path = srv_webpath;
405 /* always load list of available tags */
406 //this should not be more necessary since 4.5.08
407 //refreshAvailableTags();
409 /* ask the server what we are currently displaying */
410 whattodo = AskServerWhatToDo();
412 if(whattodo == 'showpi' || whattodo == 'showpi_date') {
415 if(whattodo == 'showpi_tags') {
416 refreshSelectedTags();
419 if(whattodo == 'show_photo') {
420 if(photo = getPhotoToShow()) {
422 refreshSelectedTags();
429 * change background-color on mouse-over
431 function setBackGrdColor(item, color)
433 if(color == 'mouseover')
434 item.style.backgroundColor='#c6e9ff';
435 if(color == 'mouseout')
436 item.style.backgroundColor='#eeeeee';
437 if(color == 'mouseclick')
438 item.style.backgroundColor='#93A8CA';
440 } // setBackGrdColor()
443 * ask server, which photo needs to be shown
445 * when user press the refresh-button in a single-photo
446 * view or maybe enters the link via an external URL, the
447 * client does not know, what photo will be shown (dimensions...).
448 * But the server can tell this the browser.
450 function getPhotoToShow()
452 var photo_to_show = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=get_photo_to_show'));
454 // if no image needs to be shown, return false from here
455 if(photo_to_show == "")
458 return photo_to_show;
460 } // getPhotoToShow()
463 * a fake-zoom for photo
465 * a quick to let the browser do some zooming on
475 /* internet explorer */
476 if(document.images['photo'].width)
477 photo = document.images['photo'];
480 if(photo == undefined && document.getElementById('photo').width)
481 photo = document.getElementById('photo');
483 if(photo != undefined) {
485 if(origWidth == undefined)
486 origWidth = photo.width;
487 if(origHeight == undefined)
488 origHeight = photo.height;
491 new_w = photo.width * (1 + mod/100);
492 new_h = photo.height * (1 + mod/100);
494 photo.height = new_h;
496 if(photo_details_pos == undefined) {
497 photo_details_pos = findPos(document.getElementById('photo_details'),'left');
500 if((photo.offsetLeft + new_w) >= photo_details_pos-20) {
501 hidePhotoDetails('true');
504 hidePhotoDetails('false');
508 photo.width = origWidth;
509 photo.height = origHeight;
510 hidePhotoDetails('false');
517 * hides the photo details layin
519 * if the photo is getting zoomed quiet large, this will
520 * auto-hide (and also restore) the photo-details-box.
522 function hidePhotoDetails(mode)
526 if(photo_details = document.getElementById('photo_details')) {
528 photo_details.style.visibility = 'hidden';
529 photo_details.style.display = 'none';
532 photo_details.style.visibility = 'visible';
533 photo_details.style.display = '';
536 } // hidePhotoDetails()
541 function showCalendar(date_box, click_obj)
543 var calendar = document.getElementById('calendar');
544 var year = document.getElementById(date_box+'year').value;
545 var month = document.getElementById(date_box+'month').value;
546 if(date_box == 'from') {
547 var xpos = document.getElementById('frompic').offsetLeft;
548 var ypos = document.getElementById('frompic').offsetTop;
549 calendar_mode = 'from';
551 if(date_box == 'to') {
552 var xpos = document.getElementById('topic').offsetLeft;
553 var ypos = document.getElementById('topic').offsetTop;
554 calendar_mode = 'to';
556 calendar.style.left = xpos + 100 + 'px';
557 calendar.style.top = ypos + 80 + 'px';
559 if(calendar.style.visibility == "" || calendar.style.visibility == 'hidden') {
560 calendar.style.visibility = 'visible';
561 calendar.innerHTML = "Loading...";
562 calendar.innerHTML = HTML_AJAX.grab(encodeURI(web_path +'/rpc.php?action=get_calendar_matrix&year=' + year + '&month=' + month));
574 function hideCalendar()
576 var calendar = document.getElementById('calendar');
577 if(calendar.style.visibility != 'hidden') {
578 calendar.style.visibility = 'hidden';
584 * switch month in calendar
586 function setMonth(year, month, day)
588 var calendar = document.getElementById('calendar');
589 calendar.innerHTML = "Loading...";
590 calendar.innerHTML = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=get_calendar_matrix&year='+ year +'&month='+ month +'&day='+ day));
594 * get the user-selected date from the calendar and
595 * put it into the date-search boxes
597 function setCalendarDate(year, month, day)
599 document.getElementById(calendar_mode+'year').value = year;
600 document.getElementById(calendar_mode+'month').value = month;
601 document.getElementById(calendar_mode+'day').value = day;
604 } // setCalendarDate()
607 * reset phpfspot complelely and move to the begining
611 HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=reset'));
613 refreshAvailableTags();
614 refreshSelectedTags();
620 * find objects with their class-name
622 function WSR_getElementsByClassName(oElm, strTagName, oClassNames){
623 var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
624 var arrReturnElements = new Array();
625 var arrRegExpClassNames = new Array();
626 if(typeof oClassNames == "object"){
627 for(var i=0; i<oClassNames.length; i++){
628 arrRegExpClassNames.push(new RegExp("(^|\s)" + oClassNames[i].replace(/-/g, "\-") + "(\s|$)"));
632 arrRegExpClassNames.push(new RegExp("(^|\s)" + oClassNames.replace(/-/g, "\-") + "(\s|$)"));
636 for(var j=0; j<arrElements.length; j++){
637 oElement = arrElements[j];
639 for(var k=0; k<arrRegExpClassNames.length; k++){
640 if(!arrRegExpClassNames[k].test(oElement.className)){
646 arrReturnElements.push(oElement);
649 return (arrReturnElements)
651 } // WSR_getElementsByClassName()
654 * javascript based photo preloading
656 function preloadPhotos(image_url) {
663 lbImg = WSR_getElementsByClassName(document,"img","thumb");
664 if(lbImg != undefined) {
665 for(i=0;i<lbImg.length;i++){
666 lbImg[i].src=image_url[i];
667 // to not bomb the server with requests, give the page some time
668 // to load the images one by one. if a image exceeds the timeout,
669 // the next image will be loaded.
670 if(lbImg[i].complete != undefined && lbImg[i].complete != true) {
672 while(lbImg[i].complete != true && counting < timeout) {
673 window.setTimeout("noop()", waiting);
682 /* a function that does nothing */
688 function startSlideShow(srv_webpath)
690 if(srv_webpath != undefined)
691 web_path = srv_webpath;
696 HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=reset_slideshow'));
698 sliding = setInterval("nextSlide()", sliding_time*1000);
699 document.getElementById('stop_ico').src = web_path + "/resources/32_stop.png";
702 clearInterval(sliding);
704 document.getElementById('stop_ico').src = web_path + "/resources/32_play.png";
707 } // startSlideShow()
710 * switch to next slide
714 var next_img = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=get_next_slideshow_img'));
715 document.getElementById('slide_img').src = next_img;
720 * switch to previous slide
724 var prev_img = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=get_prev_slideshow_img'));
725 document.getElementById('slide_img').src = prev_img;
730 * interrupt slide show
732 function pauseSlideShow()
734 if(!sliding_paused) {
736 clearInterval(sliding);
737 document.getElementById('pause_ico').src = web_path + "/resources/32_play.png";
741 sliding = setInterval("nextSlide()", sliding_time*1000);
742 document.getElementById('pause_ico').src = web_path + "/resources/32_pause.png";
745 } // pauseSlideShow()
750 function startAutoBrowse()
754 autobrowse = setInterval("autoBrowse()", 5000);
757 clearInterval(autobrowse);
759 document.getElementById('autobrowse_ico').src = web_path + "/resources/32_play.png";
762 } // startAutoBrowser()
767 function autoBrowse()
769 if(document.getElementById('next_link')) {
770 var next_link = document.getElementById('next_link').href;
771 window.location.href = next_link;
772 document.getElementById('autobrowse_ico').src = web_path + "/resources/16_pause.png";
774 /* we have reached the last photo */
776 if(ab_ico = document.getElementById('autobrowse_ico'))
777 ab_ico.src = web_path + "/resources/16_play.png";
778 clearInterval(autobrowse);
784 * initiate slider to modify slide-switching-speed
786 function initSlider()
788 var sliderEl = document.getElementById ? document.getElementById("slider-1") : null;
789 var inputEl = document.forms[0]["slider-input-1"];
790 var s = new Slider(sliderEl, inputEl);
793 s.setValue(sliding_time);
794 document.getElementById("current_slide_time").innerHTML = sliding_time + "s Interval";
795 s.onchange = function () {
796 sliding_time = s.getValue();
797 document.getElementById("current_slide_time").innerHTML = sliding_time + "s Interval";
798 if(!sliding_paused && sliding) {
799 clearInterval(sliding);
800 sliding = setInterval("nextSlide()", sliding_time*1000);
803 window.onresize = function () {
810 * if the sort-order (photo-name, date, ...) has been
811 * changed, update the photo-index view.
813 function update_sort_order(obj)
815 var objTemp = new Object();
816 objTemp['value'] = obj.options[obj.selectedIndex].value;
818 var retr = HTML_AJAX.post(web_path + '/rpc.php?action=update_sort_order', objTemp);
824 window.alert("Server message: "+ retr);
827 } // update_sort_order()
832 * this function will show the requested amount of
838 function show_rate(mode, level)
842 for(i = 1; i <= 5; i++) {
844 document.getElementById('rate_' + mode + '_' + i).src = web_path + '/resources/star.png';
847 document.getElementById('rate_' + mode + '_' + i).src = web_path + '/resources/empty_rate.png';
857 * this function will set the requested rate-stars-amount into a global
858 * variable (which will then later be used on form-submit) and will also
859 * update the display.
864 function set_rate(mode, level)
866 rate_search[mode] = level;
867 show_rate(mode, level);
874 * this function will reset the rate-star to their initial value.
878 function reset_rate(mode)
880 if(rate_search[mode] == undefined)
881 rate_search[mode] = 0;
883 show_rate(mode, rate_search[mode]);
890 function keyDown(e) {
891 var evt = (e) ? e:(window.event) ? window.event:null;
894 var key = (evt.charCode) ? evt.charCode :
895 ((evt.keyCode) ? evt.keyCode : ((evt.which) ? evt.which : 0));
898 if(key == 37) /* left curosr */ {
899 if(document.getElementById('prev_link')) {
900 var prev_link = document.getElementById('prev_link').href;
901 window.location.href = prev_link;
905 if(key == 38) /* up cursor */ {
907 if(key == 39) /* right curosr */ {
908 if(document.getElementById('next_link')) {
909 var next_link = document.getElementById('next_link').href;
910 window.location.href = next_link;
914 if(key == 73 && evt.altKey && evt.ctrlKey) /* ctrl+alt+i */ {
918 if(key == 82 && evt.altKey && evt.ctrlKey) /* ctrl+alt+r */ {
925 document.onkeydown=keyDown;
926 if(document.layers) {
927 document.captureEvents(Event.KEYDOWN);
930 // will be reseted by first viewing photo-index
933 var calendar_shown = 0;
934 var calendar_mode = '';
935 // auto-browsing & sliding
938 var sliding_paused = 0;
939 var sliding_time = 3;
943 // position of the last shown photo in photo-index
944 var photo_details_pos;
946 var rate_search = new Array();