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|
/***************************************************************************
*
* phpfspot, presents your F-Spot photo collection in Web browsers.
*
* Copyright (c) by Andreas Unterkircher
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
***************************************************************************/
/**
* show photo
*
* this function will be called by client and fetches
* the single-photo view via AJAX from the server.
* Furthermore it will scrollup the browser to the top
* position so the image become visibile immediatley.
*/
function showPhoto(id, scrollup)
{
/* is phpfspot skeleton really displayed? */
if(!document.getElementById('content'))
return;
var content = document.getElementById('content');
/* blank the screen */
if(scrollup != undefined) {
content.innerHTML = "";
}
/* fetch single-photo view from server */
HTML_AJAX.replace(content, encodeURI(web_path + '/rpc.php?action=showphoto&id=' + id));
/* scroll the window up to the top */
if(scrollup != undefined) {
window.scrollTo(0,0);
}
/* delete some global vars */
delete(origHeight); origHeight = undefined;
delete(origWidth); origWidth = undefined;
delete(photo_details_pos); photo_details_pos = undefined;
} // showPhoto()
/**
* scroll browser to the last shown photo
*
* this function will be called when user returns from single-photo
* to the photo index. It will scroll down the window (if possible)
* to the position of the last shown photo.
*/
function moveToThumb(thumb_id)
{
if(thumb_id == undefined)
return;
if(thumbimg = document.getElementById('thumbimg' + thumb_id)) {
window.scrollTo(0, findPos(thumbimg,'top')-100);
}
} // moveToThumb()
/**
* return position of object
*
* this function returns the position of an object.
* depending on the parameter 'direction' it will either
* return the X or Y position.
*/
function findPos(obj, direction) {
var cur = 0;
if (obj.offsetParent) {
do {
if(direction == 'left')
cur += obj.offsetLeft;
if(direction == 'top')
cur += obj.offsetTop;
} while (obj = obj.offsetParent);
}
return [cur];
} // findPos()
/**
* opens the credits page
*/
function showCredits()
{
var credits = document.getElementById("content");
credits.innerHTML = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=showcredits'));
} // showCredits()
/**
* tag-selection handling
*
* this function is getting called by client to either
* - add
∗ - delete
* - modify tag-match condition
*
* It will then fetch the result from the server via AJAX
* and updates the tag-selection.
*/
function Tags(mode, id)
{
var objTemp = new Object();
if(mode == "add") {
// add tag to users session
objTemp['action'] = 'addtag';
objTemp['id'] = id;
}
else if(mode == "del") {
// del tag from users session
objTemp['action'] = 'deltag';
objTemp['id'] = id;
}
else if(mode == "condition") {
setCheckedValue(id, id.value);
objTemp['action'] = 'tagcondition';
objTemp['mode'] = id.value;
}
var retr = HTML_AJAX.post(web_path + '/rpc.php', objTemp);
if(retr == "ok") {
refreshAvailableTags();
refreshSelectedTags();
refreshPhotoIndex();
}
else {
window.alert("Server message: "+ retr);
}
} // Tags()
/**
* update available-tags tag-cloud
*
* this function queries an actual version of the tag-cloud
* for the available (not-selected) tags from the server via
* AJAX.
*/
function refreshAvailableTags()
{
// update available tags
var avail_tags = document.getElementById('available_tags');
if(avail_tags != undefined) {
avail_tags.innerHTML = "Loading...";
avail_tags.innerHTML = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=show_available_tags'));
}
} // refreshAvailableTags()
/**
* update selected-tags list
*
* this function queries an actual version of the tag-list
* for the selected tags from the server via AJAX.
*/
function refreshSelectedTags()
{
// update selected tags
var selected_tags = document.getElementById("selected_tags");
if(selected_tags != undefined) {
selected_tags.innerHTML = "Loading...";
selected_tags.innerHTML = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=show_selected_tags'));
}
} // refreshSelectedTags()
/**
* show photo index
*
* this function will fetch the photo-index view from
* the server via AJAX. It's also used to browse through
* the photo-index pages
*/
function showPhotoIndex(begin_with, last_photo)
{
var url = web_path + "/rpc.php?action=show_photo_index";
if(begin_with != undefined)
url = url + '&begin_with=' + begin_with;
if(last_photo != undefined)
url = url + '&last_photo=' + last_photo;
HTML_AJAX.replace(document.getElementById("content"), encodeURI(url));
} // showPhotoIndex()
/**
* update photo index
*
* this function will be called, to request a refresh of the
* photo index. this, for example, can be caused, when changing
* the tag-selection.
*/
function refreshPhotoIndex()
{
/* only invoke showPhotoIndex(), if photo-index is really shown */
if(document.getElementById("index") != undefined || startup == 1) {
showPhotoIndex();
startup = 0;
}
} // refreshPhotoIndex()
/**
* blur cursor focus
*
* this function removes the focus-rectangle which may appear
* when click on a link. Not always beautiful.
*/
function click(object)
{
if(object.blur)
object.blur();
} // click()
/**
* change current radio-button setting
*
* This function will check the radio-button with the given value.
* If no radio-button is currently displayed, this function will do
* nothing.
* If the given value does not exist, the existing radio buttons will
* be reseted.
*/
function setCheckedValue(condition, value) {
var count = condition.length;
if(count == undefined) {
condition.checked = (condition.value == value.toString());
return;
}
for(var i = 0; i < count; i++) {
condition[i].checked = false;
if(condition[i].value == value.toString()) {
condition[i].checked = true;
}
}
} // setCheckedValue()
/**
* Invoke a search
*
* This function will be invoked by starting
* any kind of search (tag-name, photo-name, date, ...).
*/
function startSearch()
{
from_year = document.getElementById('fromyear').value;
from_month = document.getElementById('frommonth').value;
from_day = document.getElementById('fromday').value;
from = from_year +"-"+ from_month +"-"+ from_day;
to_year = document.getElementById('toyear').value;
to_month = document.getElementById('tomonth').value;
to_day = document.getElementById('today').value;
to = to_year +"-"+ to_month +"-"+ to_day;
var objTemp = new Object();
objTemp['action'] = 'search';
if(document.getElementsByName('searchfor_tag')[0] != undefined &&
document.getElementsByName('searchfor_tag')[0].value != "") {
objTemp['for_tag'] = document.getElementsByName('searchfor_tag')[0].value;
}
if(document.getElementsByName('searchfor_name')[0] != undefined &&
document.getElementsByName('searchfor_name')[0].value != "") {
objTemp['for_name'] = document.getElementsByName('searchfor_name')[0].value;
}
if(document.getElementsByName('consider_date')[0] != undefined &&
document.getElementsByName('consider_date')[0].checked == true) {
objTemp['from'] = from;
objTemp['to'] = to;
}
if(document.getElementsByName('consider_rate')[0] != undefined &&
document.getElementsByName('consider_rate')[0].checked == true) {
objTemp['rate_from'] = rate_search['from'];
objTemp['rate_to'] = rate_search['to'];
}
var retr = HTML_AJAX.post(web_path + '/rpc.php', objTemp);
if(retr == "ok") {
refreshAvailableTags();
refreshSelectedTags();
showPhotoIndex();
}
else {
window.alert("Server message: "+ retr);
}
} // startSearch()
/**
* enable/disable date search
*
* this function will either enable or disable the
* input fields for the date-search
*/
function datesearch()
{
var mode = true;
if(document.getElementsByName('consider_date')[0].checked == true) {
mode = false;
}
document.getElementById('fromyear').disabled = mode;
document.getElementById('frommonth').disabled = mode;
document.getElementById('fromday').disabled = mode;
document.getElementById('toyear').disabled = mode;
document.getElementById('tomonth').disabled = mode;
document.getElementById('today').disabled = mode;
} // datesearch()
/**
* set view mode
*
* called for photo-index export. will return the
* selected mode via AJAX from the server.
*/
function setViewMode(mode)
{
var exprt = document.getElementById('output');
exprt.innerHTML = "Loading...";
exprt.innerHTML = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=get_export&mode=' + mode));
} // setViewMode()
/**
* reset all search-fields
*/
function clearSearch()
{
if(document.getElementsByName('searchfor_tag')[0] != undefined)
document.getElementsByName('searchfor_tag')[0].value = '';
if(document.getElementsByName('searchfor_name')[0] != undefined)
document.getElementsByName('searchfor_name')[0].value = '';
if(document.getElementsByName('consider_date')[0] != undefined &&
document.getElementsByName('consider_date')[0].checked == true) {
document.getElementsByName('consider_date')[0].checked = false;
datesearch();
}
if(document.getElementsByName('consider_rate')[0] != undefined &&
document.getElementsByName('consider_rate')[0].checked == true) {
document.getElementsByName('consider_rate')[0].checked = false;
}
} // clearSearch()
/**
* if the client is planless, ask the server what to do
* next.
*/
function AskServerWhatToDo()
{
return HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=what_to_do'));
} // AskServerWhatToDo()
/**
* init phpfspot
*
* this function will be called when the browser opens phpfspot
* the first time. It will fetch the tag-lists and will then
* switch to the right view, which the browser got told from
* the server (maybe someone hit the refresh button...).
*
* as parameter the server can set the correct webpath.
* espacialley when using user-friendly url's, the browser
* does not know the correct URLs to address images, stylesheets,
* ... then.
*/
function init_phpfspot(srv_webpath)
{
if(srv_webpath != undefined)
web_path = srv_webpath;
else
web_path = '';
/* always load list of available tags */
//this should not be more necessary since 4.5.08
//refreshAvailableTags();
/* ask the server what we are currently displaying */
whattodo = AskServerWhatToDo();
if(whattodo == 'showpi' || whattodo == 'showpi_date') {
showPhotoIndex();
}
if(whattodo == 'showpi_tags') {
refreshSelectedTags();
showPhotoIndex();
}
if(whattodo == 'show_photo') {
if(photo = getPhotoToShow()) {
showPhoto(photo);
refreshSelectedTags();
}
}
} // init_phpfspot()
/**
* change background-color on mouse-over
*/
function setBackGrdColor(item, color)
{
if(color == 'mouseover')
item.style.backgroundColor='#c6e9ff';
if(color == 'mouseout')
item.style.backgroundColor='#eeeeee';
if(color == 'mouseclick')
item.style.backgroundColor='#93A8CA';
} // setBackGrdColor()
/**
* ask server, which photo needs to be shown
*
* when user press the refresh-button in a single-photo
* view or maybe enters the link via an external URL, the
* client does not know, what photo will be shown (dimensions...).
* But the server can tell this the browser.
*/
function getPhotoToShow()
{
var photo_to_show = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=get_photo_to_show'));
// if no image needs to be shown, return false from here
if(photo_to_show == "")
return false;
return photo_to_show;
} // getPhotoToShow()
/**
* a fake-zoom for photo
*
* a quick to let the browser do some zooming on
* photos.
*/
function zoom(mod)
{
var photo;
if(mod == undefined)
return;
/* internet explorer */
if(document.images['photo'].width)
photo = document.images['photo'];
/* all others */
if(photo == undefined && document.getElementById('photo').width)
photo = document.getElementById('photo');
if(photo != undefined) {
if(origWidth == undefined)
origWidth = photo.width;
if(origHeight == undefined)
origHeight = photo.height;
if(mod != 0) {
new_w = photo.width * (1 + mod/100);
new_h = photo.height * (1 + mod/100);
photo.width = new_w;
photo.height = new_h;
if(photo_details_pos == undefined) {
photo_details_pos = findPos(document.getElementById('photo_details'),'left');
}
if((photo.offsetLeft + new_w) >= photo_details_pos-20) {
hidePhotoDetails('true');
}
else {
hidePhotoDetails('false');
}
}
else {
photo.width = origWidth;
photo.height = origHeight;
hidePhotoDetails('false');
}
}
} // zoom()
/**
* hides the photo details layin
*
* if the photo is getting zoomed quiet large, this will
* auto-hide (and also restore) the photo-details-box.
*/
function hidePhotoDetails(mode)
{
var photo_details;
if(photo_details = document.getElementById('photo_details')) {
if(mode == 'true') {
photo_details.style.visibility = 'hidden';
photo_details.style.display = 'none';
}
else {
photo_details.style.visibility = 'visible';
photo_details.style.display = '';
}
}
} // hidePhotoDetails()
/**
* show calendar
*/
function showCalendar(date_box, click_obj)
{
var calendar = document.getElementById('calendar');
var year = document.getElementById(date_box+'year').value;
var month = document.getElementById(date_box+'month').value;
if(date_box == 'from') {
var xpos = document.getElementById('frompic').offsetLeft;
var ypos = document.getElementById('frompic').offsetTop;
calendar_mode = 'from';
}
if(date_box == 'to') {
var xpos = document.getElementById('topic').offsetLeft;
var ypos = document.getElementById('topic').offsetTop;
calendar_mode = 'to';
}
calendar.style.left = xpos + 100 + 'px';
calendar.style.top = ypos + 80 + 'px';
if(calendar.style.visibility == "" || calendar.style.visibility == 'hidden') {
calendar.style.visibility = 'visible';
calendar.innerHTML = "Loading...";
calendar.innerHTML = HTML_AJAX.grab(encodeURI(web_path +'/rpc.php?action=get_calendar_matrix&year=' + year + '&month=' + month));
calendar_shown = 1;
}
else {
hideCalendar();
}
} // showCalendar()
/**
* hide calendar
*/
function hideCalendar()
{
var calendar = document.getElementById('calendar');
if(calendar.style.visibility != 'hidden') {
calendar.style.visibility = 'hidden';
calendar_shown = 0;
}
} // hideCalendar()
/**
* switch month in calendar
*/
function setMonth(year, month, day)
{
var calendar = document.getElementById('calendar');
calendar.innerHTML = "Loading...";
calendar.innerHTML = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=get_calendar_matrix&year='+ year +'&month='+ month +'&day='+ day));
}
/**
* get the user-selected date from the calendar and
* put it into the date-search boxes
*/
function setCalendarDate(year, month, day)
{
document.getElementById(calendar_mode+'year').value = year;
document.getElementById(calendar_mode+'month').value = month;
document.getElementById(calendar_mode+'day').value = day;
hideCalendar();
} // setCalendarDate()
/**
* reset phpfspot complelely and move to the begining
*/
function resetAll()
{
HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=reset'));
clearSearch();
refreshAvailableTags();
refreshSelectedTags();
refreshPhotoIndex();
} // resetAll()
/**
* find objects with their class-name
*/
function WSR_getElementsByClassName(oElm, strTagName, oClassNames){
var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
var arrReturnElements = new Array();
var arrRegExpClassNames = new Array();
if(typeof oClassNames == "object"){
for(var i=0; i<oClassNames.length; i++){
arrRegExpClassNames.push(new RegExp("(^|\s)" + oClassNames[i].replace(/-/g, "\-") + "(\s|$)"));
}
}
else{
arrRegExpClassNames.push(new RegExp("(^|\s)" + oClassNames.replace(/-/g, "\-") + "(\s|$)"));
}
var oElement;
var bMatchesAll;
for(var j=0; j<arrElements.length; j++){
oElement = arrElements[j];
bMatchesAll = true;
for(var k=0; k<arrRegExpClassNames.length; k++){
if(!arrRegExpClassNames[k].test(oElement.className)){
bMatchesAll = false;
break;
}
}
if(bMatchesAll){
arrReturnElements.push(oElement);
}
}
return (arrReturnElements)
} // WSR_getElementsByClassName()
/**
* javascript based photo preloading
*/
function preloadPhotos(image_url) {
var i;
var timeout = 1000;
var waiting = 100;
var counting;
lbImg=WSR_getElementsByClassName(document,"img","thumb");
for(i=0;i<lbImg.length;i++){
lbImg[i].src=image_url[i];
// to not bomb the server with requests, give the page some time
// to load the images one by one. if a image exceeds the timeout,
// the next image will be loaded.
if(lbImg[i].complete != undefined && lbImg[i].complete != true) {
counting = 0;
while(lbImg[i].complete != true && counting < timeout) {
window.setTimeout("noop()", waiting);
counting+=waiting;
}
}
}
} // preloadPhotos()
/* a function that does nothing */
function noop() {}
/**
* start slideshow
*/
function startSlideShow()
{
if(!sliding) {
HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=reset_slideshow'));
nextSlide();
sliding = setInterval("nextSlide()", sliding_time*1000);
document.getElementById('stop_ico').src = web_path + "/resources/32_stop.png";
}
else {
clearInterval(sliding);
sliding = 0;
document.getElementById('stop_ico').src = web_path + "/resources/32_play.png";
}
} // startSlideShow()
/**
* switch to next slide
*/
function nextSlide()
{
var next_img = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=get_next_slideshow_img'));
document.getElementById('slide_img').src = next_img;
} // nextSlide()
/**
* switch to previous slide
*/
function prevSlide()
{
var prev_img = HTML_AJAX.grab(encodeURI(web_path + '/rpc.php?action=get_prev_slideshow_img'));
document.getElementById('slide_img').src = prev_img;
} // prevSlide()
/**
* interrupt slide show
*/
function pauseSlideShow()
{
if(!sliding_paused) {
sliding_paused = 1;
clearInterval(sliding);
document.getElementById('pause_ico').src = web_path + "/resources/32_play.png";
}
else {
sliding_paused = 0;
sliding = setInterval("nextSlide()", sliding_time*1000);
document.getElementById('pause_ico').src = web_path + "/resources/32_pause.png";
}
} // pauseSlideShow()
/**
* start auto-browse
*/
function startAutoBrowse()
{
if(!autobrowse) {
autoBrowse();
autobrowse = setInterval("autoBrowse()", 5000);
}
else {
clearInterval(autobrowse);
autobrowse = 0;
document.getElementById('autobrowse_ico').src = web_path + "/resources/32_play.png";
}
} // startAutoBrowser()
/**
* auto-browsing
*/
function autoBrowse()
{
if(document.getElementById('next_link')) {
var next_link = document.getElementById('next_link').href;
window.location.href = next_link;
document.getElementById('autobrowse_ico').src = web_path + "/resources/32_pause.png";
}
/* we have reached the last photo */
else {
if(ab_ico = document.getElementById('autobrowse_ico'))
ab_ico.src = web_path + "/resources/32_play.png";
clearInterval(autobrowse);
}
} // autoBrowse()
/**
* initiate slider to modify slide-switching-speed
*/
function initSlider()
{
var sliderEl = document.getElementById ? document.getElementById("slider-1") : null;
var inputEl = document.forms[0]["slider-input-1"];
var s = new Slider(sliderEl, inputEl);
s.setMinimum(1);
s.setMaximum(10);
s.setValue(sliding_time);
document.getElementById("current_slide_time").innerHTML = sliding_time + "s Interval";
s.onchange = function () {
sliding_time = s.getValue();
document.getElementById("current_slide_time").innerHTML = sliding_time + "s Interval";
if(!sliding_paused && sliding) {
clearInterval(sliding);
sliding = setInterval("nextSlide()", sliding_time*1000);
}
};
window.onresize = function () {
s.recalculate();
};
} // initSlider()
/**
* if the sort-order (photo-name, date, ...) has been
* changed, update the photo-index view.
*/
function update_sort_order(obj)
{
var objTemp = new Object();
objTemp['value'] = obj.options[obj.selectedIndex].value;
var retr = HTML_AJAX.post(web_path + '/rpc.php?action=update_sort_order', objTemp);
if(retr == "ok") {
showPhotoIndex();
}
else {
window.alert("Server message: "+ retr);
}
} // update_sort_order()
/**
* show rate stars
*
* this function will show the requested amount of
* rate-stars.
*
* @param string mode
* @param int level
*/
function show_rate(mode, level)
{
var i;
for(i = 1; i <= 5; i++) {
if(i <= level) {
document.getElementById('rate_' + mode + '_' + i).src = web_path + '/resources/star.png';
}
else {
document.getElementById('rate_' + mode + '_' + i).src = web_path + '/resources/empty_rate.png';
}
}
} // show_rate()
/**
* set rate stars
*
*
* this function will set the requested rate-stars-amount into a global
* variable (which will then later be used on form-submit) and will also
* update the display.
*
* @param string mode
* @param int level
*/
function set_rate(mode, level)
{
rate_search[mode] = level;
show_rate(mode, level);
} // set_rate()
/**
* reset rate stars
*
* this function will reset the rate-star to their initial value.
*
* @param string mode
*/
function reset_rate(mode)
{
if(rate_search[mode] == undefined)
rate_search[mode] = 0;
show_rate(mode, rate_search[mode]);
} // reset_rate()
/**
* handle key events
*/
function keyDown(e) {
var evt = (e) ? e:(window.event) ? window.event:null;
if(evt) {
var key = (evt.charCode) ? evt.charCode :
((evt.keyCode) ? evt.keyCode : ((evt.which) ? evt.which : 0));
if(key == 37) /* left curosr */ {
if(document.getElementById('prev_link')) {
var prev_link = document.getElementById('prev_link').href;
window.location.href = prev_link;
}
return;
}
if(key == 38) /* up cursor */ {
}
if(key == 39) /* right curosr */ {
if(document.getElementById('next_link')) {
var next_link = document.getElementById('next_link').href;
window.location.href = next_link;
}
return;
}
if(key == 73 && evt.altKey && evt.ctrlKey) /* ctrl+alt+i */ {
showPhotoIndex();
return;
}
if(key == 82 && evt.altKey && evt.ctrlKey) /* ctrl+alt+r */ {
resetAll();
return;
}
}
}
document.onkeydown=keyDown;
if(document.layers) {
document.captureEvents(Event.KEYDOWN);
}
// will be reseted by first viewing photo-index
var startup = 1;
// calendar specific
var calendar_shown = 0;
var calendar_mode = '';
// auto-browsing & sliding
var autobrowse = 0;
var sliding = 0;
var sliding_paused = 0;
var sliding_time = 3;
// zooming
var origHeight;
var origWidth;
// position of the last shown photo in photo-index
var photo_details_pos;
var web_path;
var rate_search = new Array();
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