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OpenBoard/resources/library/search/Pixabay.wgs/index.html

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Pixabay Image Search</title>
<link rel="stylesheet" type="text/css" href="css/basic.css"/>
<script type="text/javascript" src="scripts/jquery-1.6.2.min.js"></script>
</head>
<body>
<!--<p id="lang"></p>-->
</body>
<script type="text/javascript">
/*
This script makes use of the Pixabay image search API, documented here:
https://pixabay.com/api/docs/
*/
var API_KEY = '2217022-41b455b44dccd972675602446'; // TODO: move this to C++
// Number of results per page
var limit = 10;
// Maximum number of pages to display
var maxPages = 10;
// Minimum size of pictures to search for
var minHeight = 150;
var minWidth = 150;
// Image type to retrieve. Can be "photo", "illustration", "vector" or "all".
var imageType = "all";
// Default language to search in, if the application can't return a suitable one
var searchLanguage = "en";
// Fetch 960px images instead of the default 640px. However the API doesn't
// provide size information in this case, so it is disabled by default.
var fetchMediumResImages = false;
// ---------------------
// Globals
// ---------------------
var currentIndex = 0;
var currentTerm = "";
// Pixabay's supported search languages
var availableLanguages = ['cs', 'da', 'de', 'en', 'es', 'fr', 'id', 'it', 'hu', 'nl', 'no',
'pl', 'pt', 'ro', 'sk', 'fi', 'sv', 'tr', 'vi', 'th', 'bg', 'ru', 'el', 'ja', 'ko', 'zh'];
// ---------------------
$(document).ready(loadPage)
/* Initialize the page layout */
function loadPage() {
// Get OpenBoard's current language
var appLanguage = window.sankore ? sankore.locale().substr(0,2) : searchLanguage;
if (availableLanguages.indexOf(appLanguage) > -1)
searchLanguage = appLanguage
var mode = false; //search or view mode
var hide = false; //hide or no main panel
//basic containers and elements
var search = $("<div id='search' class='search'>").appendTo("body");
var subSearchInput = $("<div id='subSearchInput' class='subSearch'>").appendTo(search);
var subSearchFilter = $("<div id='subSearchFilter' class='subSearch'>").appendTo(search);
var searchInput = $("<input id='searchInput' class='searchInput' type='text'/>").appendTo(subSearchInput);
var searchButton = $("<div id='searchButton' class='searchButton'>").appendTo(subSearchInput);
var searchResult = $("<div id='searchResult'>").appendTo("body");
var disc_nav_cont = $("<div id='disc_nav_cont' class='disc_nav_cont'>").appendTo("body");
var disclaimer = $("<div id='disclaimer' class='disclaimer'>Pixabay.com image search<div>").appendTo(disc_nav_cont);
searchButton.click(function(){
if(!hide){
runSearch(searchInput.val(), 0);
}
});
searchInput.keydown(function(event){
if(!hide){
if((event.keyCode == 0xA)||(event.keyCode == 0xD)){
runSearch(searchInput.val(), 0);
}
}
});
(
$(".imgContainer").live("click",function(){
sankore.sendFileMetadata(createMetaData($(this)));
}));
}
function runSearch(term, index) {
currentTerm = term;
currentIndex = index;
var page = index+1; // Page numbers start at 1 on Pixabay
var url = "https://pixabay.com/api/?key="+API_KEY
+"&q="+escape(term)
+"&per_page="+limit
+"&page="+page
+"&min_width="+minWidth
+"&minHeight="+minHeight
+"&image_type="+imageType
+"&lang="+searchLanguage
+"&safesearch=true";
//console.log(url);
//document.getElementById("lang").innerHTML = "Language: " + searchLanguage;
$.ajax({
url: url,
success: searchComplete,
error: searchFail,
dataType: "json"
});
}
function searchComplete(json) {
// Grab our content div, clear it.
var totalResults = json.totalHits;
var contentDiv = $('#searchResult').empty();
// Loop through our results, printing them to the page.
var results = json.hits;
//TODO: display a message on page when there are zero results. Would require locales, ideally
for (var i = 0; i < results.length; i++) {
var result = results[i];
/*
Images are displayed in an `imgContainer` element. It contains
the image itself (`newImg`) but also some hidden fields containing
metadata that is sent to OpenBoard if the user clicks the image
*/
// Image element
var imgContainer = $("<div class='imgContainer' draggable='true'>");
var newImg = document.createElement('img');
newImg.src = result.previewURL;
var imgWidth = (result.previewWidth > minWidth)?result.previewWidth:minWidth;
var imgHeight = (result.previewHeight > minHeight)?result.previewHeight:minHeight;
imgContainer.width(imgWidth).height(imgHeight);
imgContainer.append($(newImg));
// Metadata to send to OpenBoard
var iUrl = $("<input type='hidden'/>");
var iContent = $("<input type='hidden'/>");
var iHeight = $("<input type='hidden'/>");
var iWidth = $("<input type='hidden'/>");
var iThumbnailUrl = $("<input type='hidden'/>");
var iTitle = $("<input type='hidden'/>");
var imageURL = result.webformatURL;
if (fetchMediumResImages)
imageURL = getMediumResURL(result);
iUrl.attr("value", imageURL);
iContent.attr("value", result.type);
iHeight.attr("value", result.webformatHeight);
iWidth.attr("value", result.webformatWidth);
iThumbnailUrl.attr("value", result.previewURL);
iTitle.attr("value", getImageTitle(result));
imgContainer.append(iUrl);
imgContainer.append(iContent);
imgContainer.append(iHeight);
imgContainer.append(iWidth);
imgContainer.append(iThumbnailUrl);
imgContainer.append(iTitle);
// Add the image to the page
imgContainer.appendTo(contentDiv);
}
// Now add links to additional pages of search results.
addPaginationLinks(totalResults);
}
function addPaginationLinks(totalResults) {
var curPage = currentIndex;
var pagesDiv = $("<div id='resultFooter' class='resultFooter'>");
var highestPageNumber = maxPages;
if (totalResults/limit < maxPages)
highestPageNumber = totalResults/limit;
for (var i = 0; i < highestPageNumber; i++) {
var link = $("<a class='pager_button'></a>").attr('href', 'javascript:gotoPage('+i+');').html(i+1).appendTo(pagesDiv);
if (curPage == i)
link.addClass('active');
}
$("#disc_nav_cont #resultFooter").remove();
pagesDiv.insertBefore($('#disclaimer'));
$(".imgContainer").each(function(){
this.addEventListener("dragstart", imageDragging, false);
})
$(".imgContainer").each(function(){
this.addEventListener("dragenter", imageDragenter, false);
})
$(".imgContainer").each(function(){
this.addEventListener("dragleave", imageDragleave, false);
})
$(".imgContainer").each(function(){
this.addEventListener("dragover", imageDragover, false);
})
}
function searchFail(jqXHR, textStatus, errorThrown) {
alert('Couldn\'t connect to Pixabay: ' + textStatus + ' ' + errorThrown);
}
function imageDragging(e){
e.dataTransfer.setData("text/plain",$(this).find("input:hidden").eq(0).val());
}
function imageDragleave(e){
return false;
}
function imageDragover(e){
return false;
}
function imageDragenter(e){
return false;
}
function gotoPage(i) {
runSearch(currentTerm, i);
}
function createMetaData(parent){
var meta = "";
//alert($(this).find("input:hidden").eq(0).val());
meta = "<metadata><data><key>Type</key><value>Image</value></data><data><key>Url</key><value>" +
parent.find("input:hidden").eq(0).val() +
"</value></data><data><key>Content</key><value>" +
parent.find("input:hidden").eq(1).val() +
"</value></data><data><key>Height</key><value>" +
parent.find("input:hidden").eq(2).val() +
"</value></data><data><key>Width</key><value>" +
parent.find("input:hidden").eq(3).val() +
"</value></data><data><key>thumbnailUrl</key><value>" +
parent.find("input:hidden").eq(4).val() +
"</value></data><data><key>Title</key><value>" +
parent.find("input:hidden").eq(5).val() +
"</value></data></metadata>";
return meta;
}
function getImageTitle(image) {
// Pixabay images don't have a title, but we can fetch the first tag and use that as a title.
var firstTag = image.tags.split(",")[0]
//console.log(firstTag);
return firstTag;
}
function getMediumResURL(image) {
// Pixabay automatically returns a 640px "webformat" picture; we can't request a larger one
// in the search request, but we can manually fetch one (up to 960px)
var url = image.webformatURL;
medResURL = url.replace("_640.", "_960.");
return medResURL;
}
</script>
</html>