explain why alert-boxes appear
[phpfspot.git] / phpfspot.js
index ed19372f449a6777938c1cbcaee50fba71faeb94..a2c848e5715bf5faf254eb39ceeab348d869c39c 100644 (file)
@@ -1,5 +1,592 @@
-function showImage(id)
+function showImage(id, scrollup)
 {
-   content = document.getElementById("content");
-   content.innerHTML = HTML_AJAX.grab('rpc.php?action=showphoto&id=' + id);
+   if(!document.getElementById('content'))
+      return;
+
+   var content = document.getElementById('content');
+
+   /* blank the screen */
+   if(scrollup != undefined) {
+      content.innerHTML = "";
+   }
+
+   HTML_AJAX.replace(content, encodeURI('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);
+   delete(origWidth);
+   delete(photo_details_pos);
 }
+
+function moveToThumb(thumb_id)
+{
+   if(thumb_id == undefined)
+      return;
+
+   if(thumbimg = document.getElementById('thumbimg' + thumb_id)) {
+      window.scrollTo(0, findPos(thumbimg)-100);
+   }
+
+} // moveToThumb()
+
+function findPos(obj) {
+   var curtop = 0;
+   if (obj.offsetParent) {
+      do {
+         curtop += obj.offsetTop;
+      } while (obj = obj.offsetParent);
+   }
+   return [curtop];
+}
+
+function showCredits()
+{
+   var credits = document.getElementById("content");
+   credits.innerHTML = HTML_AJAX.grab(encodeURI('rpc.php?action=showcredits'));
+}
+
+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('rpc.php', objTemp);
+   if(retr == "ok") {
+      refreshAvailableTags();
+      refreshSelectedTags();
+      refreshPhotoIndex();
+   }
+   else {
+      window.alert("Server message: "+ retr);
+   }
+
+} // Tags()
+
+function refreshAvailableTags()
+{
+   // update available tags
+   var avail_tags = document.getElementById('available_tags');
+   avail_tags.innerHTML = "Loading...";
+   avail_tags.innerHTML = HTML_AJAX.grab(encodeURI('rpc.php?action=show_available_tags'));
+}
+
+function refreshSelectedTags()
+{
+   // update selected tags
+   var selected_tags = document.getElementById("selected_tags");
+   selected_tags.innerHTML = "Loading...";
+   selected_tags.innerHTML = HTML_AJAX.grab(encodeURI('rpc.php?action=show_selected_tags'));
+}
+
+function showPhotoIndex(begin_with, last_photo)
+{
+   var url = "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()
+
+// if photo index is currently shown, refresh it
+function refreshPhotoIndex()
+{
+   if(document.getElementById("index") != undefined || startup == 1) {
+      showPhotoIndex();
+      startup = 0;
+   }
+}
+
+function click(object)
+{
+   if(object.blur)
+      object.blur();
+
+}
+
+// set the radio button with the given value as being checked
+// do nothing if there are no radio buttons
+// if the given value does not exist, all the radio buttons
+// are reset to unchecked
+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;
+      }
+   }
+}
+
+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].value != "") {
+      objTemp['for_tag'] = document.getElementsByName('searchfor_tag')[0].value;
+   }
+   if(document.getElementsByName('searchfor_name')[0].value != "") {
+      objTemp['for_name'] = document.getElementsByName('searchfor_name')[0].value;
+   }
+   if(document.getElementsByName('consider_date')[0].checked == true) {
+      objTemp['from'] = from;
+      objTemp['to'] = to;
+   }
+
+   var retr = HTML_AJAX.post('rpc.php', objTemp);
+   if(retr == "ok") {
+      refreshAvailableTags();
+      refreshSelectedTags();
+      showPhotoIndex();
+   }
+   else {
+      window.alert("Server message: "+ retr);
+   }
+
+} // startSearch()
+
+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;
+}
+
+function setViewMode(mode)
+{
+   var exprt = document.getElementById('output');
+   exprt.innerHTML = "Loading...";
+   exprt.innerHTML = HTML_AJAX.grab(encodeURI('rpc.php?action=get_export&mode=' + mode));
+}
+
+function clearSearch()
+{
+   document.getElementsByName('searchfor_tag')[0].value = '';
+   document.getElementsByName('searchfor_name')[0].value = '';
+
+   if(document.getElementsByName('consider_date')[0].checked == true) {
+      document.getElementsByName('consider_date')[0].checked = false;
+      datesearch();
+   }  
+}
+
+function AskServerWhatToDo()
+{
+   return HTML_AJAX.grab(encodeURI('rpc.php?action=what_to_do'));
+}
+
+function init_phpfspot(mode)
+{
+   /* always load list of available tags */
+   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()) {
+         showImage(photo);
+         refreshSelectedTags();
+      }
+   }
+} // init_phpfspot()
+
+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';
+}
+
+function getPhotoToShow()
+{
+   // update selected tags
+   var photo_to_show = HTML_AJAX.grab(encodeURI('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;
+}
+
+function zoom(mod)
+{
+   if(mod == undefined)
+      return;
+
+   if(photo = document.getElementById('photo')) {
+
+      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 = document.getElementById('photo_details').offsetLeft;
+         }
+
+         if((photo.offsetLeft + new_w) >= photo_details_pos-20) {
+            hidePhotoDetails('true');
+         }
+         else {
+            hidePhotoDetails('false');
+         }
+      }
+      else {
+         photo.width = origWidth;
+         photo.height = origHeight;
+         hidePhotoDetails('false');
+      }
+   }
+
+} // zoom()
+
+function hidePhotoDetails(mode)
+{
+   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 = 'inline';
+      }
+   }
+} // hidePhotoDetails()
+
+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('rpc.php?action=get_calendar_matrix&year=' + year + '&month=' + month));
+      calendar_shown = 1;
+   }
+   else {
+      hideCalendar();
+   }
+}
+
+function hideCalendar()
+{
+   var calendar = document.getElementById('calendar');
+   if(calendar.style.visibility != 'hidden') {
+      calendar.style.visibility = 'hidden';
+      calendar_shown = 0;
+   }
+}
+
+function setMonth(year, month, day)
+{
+   var calendar = document.getElementById('calendar');
+   calendar.innerHTML = "Loading...";
+   calendar.innerHTML = HTML_AJAX.grab(encodeURI('rpc.php?action=get_calendar_matrix&year='+ year +'&month='+ month +'&day='+ day));
+}
+
+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();
+}
+
+function resetAll()
+{
+   HTML_AJAX.grab(encodeURI('rpc.php?action=reset'));
+   clearSearch();
+   refreshAvailableTags();
+   refreshSelectedTags();
+   refreshPhotoIndex();
+}
+
+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)
+}
+
+
+function preloadPhotos(lbImg) {
+
+   var d=document;
+   if(d.images)
+      if(!d.photos)
+         d.photos=new Array();
+
+   var i, j=d.photos.length;
+
+   lbImg=WSR_getElementsByClassName(document,"img","thumb");
+   for(i=0;i<lbImg.length;i++){
+      d.photos[j]=new Image;
+      d.photos[j].src=lbImg[i].src;
+      j++;
+   }
+}
+
+function startSlideShow()
+{
+   if(!sliding) {
+      HTML_AJAX.grab(encodeURI('rpc.php?action=reset_slideshow'));
+      nextSlide();
+      sliding = setInterval("nextSlide()", sliding_time*1000);
+      document.getElementById('stop_ico').src = "resources/32_stop.png";
+   }
+   else {
+      clearInterval(sliding);
+      sliding = 0;
+      document.getElementById('stop_ico').src = "resources/32_play.png";
+   }
+}
+
+function nextSlide()
+{
+   var next_img = HTML_AJAX.grab(encodeURI('rpc.php?action=get_next_slideshow_img'));
+   document.getElementById('slide_img').src = next_img;
+}
+
+function prevSlide()
+{
+   var prev_img = HTML_AJAX.grab(encodeURI('rpc.php?action=get_prev_slideshow_img'));
+   document.getElementById('slide_img').src = prev_img;
+}
+
+function pauseSlideShow()
+{
+   if(!sliding_paused) {
+      sliding_paused = 1;
+      clearInterval(sliding);
+      document.getElementById('pause_ico').src = "resources/32_play.png";
+   }
+   else {
+      sliding_paused = 0;
+      sliding = setInterval("nextSlide()", sliding_time*1000);
+      document.getElementById('pause_ico').src = "resources/32_pause.png";
+   }
+} 
+
+function startAutoBrowse()
+{
+   if(!autobrowse) {
+      autoBrowse();
+      autobrowse = setInterval("autoBrowse()", 5000);
+   }
+   else {
+      clearInterval(autobrowse);
+      autobrowse = 0;
+      document.getElementById('autobrowse_ico').src = "resources/32_play.png";
+   }
+
+} // startAutoBrowser()
+
+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 = "resources/32_pause.png";
+   }
+   /* we have reached the last photo */
+   else {
+      if(ab_ico = document.getElementById('autobrowse_ico'))
+         ab_ico.src = "resources/32_play.png";
+      clearInterval(autobrowse);
+   }
+
+} // autoBrowse()
+
+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();
+   };
+
+}
+
+function update_sort_order(obj)
+{  
+   var objTemp = new Object();
+   objTemp['value'] = obj.options[obj.selectedIndex].value;
+
+   var retr = HTML_AJAX.post('rpc.php?action=update_sort_order', objTemp);
+
+   if(retr == "ok") {
+      showPhotoIndex();
+   }
+   else {
+      window.alert("Server message: "+ retr);
+   }
+
+} // update_sort_order()
+
+
+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);
+}
+
+var startup = 1;
+var calendar_shown = 0;
+var calendar_mode = '';
+var autobrowse = 0;
+var sliding = 0;
+var sliding_paused = 0;
+var sliding_time = 3;
+var origHeight;
+var origWidth;
+var photo_details_pos;