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/*
* Copyright (C) 2006 - 2014 Martin Thelian, Alexander Schier, Michael Hamann,
* Michael Peter Christen, Franz Brausse, fuchsi
*
* This file is part of YaCy.
*
* YaCy 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
* (at your option) any later version.
*
* YaCy 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 YaCy. If not, see <http://www.gnu.org/licenses/>.
*/
function addHover() {
if (document.all&&document.getElementById) {
var divs = document.getElementsByTagName("div");
for (i=0; i<divs.length; i++) {
var node = divs[i];
if (node.className=="searchresults") {
node.onmouseover=function() {
this.className+=" hover";
}
node.onmouseout=function() {
this.className=this.className.replace(" hover", "");
}
}
}
}
}
function fadeOutBar() {
document.getElementById("progressbar").setAttribute('style',"transition:transform 0s;-webkit-transition:-webkit-transform 0s;backgroundColor:transparent;");
/* Also ensure the accessibility property for progress current value is set to 100% */
document.getElementById("progressbar").setAttribute("aria-valuenow", 100);
}
/**
* @param buttonsList the DOM list element containing the pagination buttons
* @param offset item number to start with
* @param itemsperpage count of items requested per page
* @param totalcount count of items available from YaCy node for this query
* @param navurlbase the search url without pagination parameters
* @param localQuery when true the search query is limited to the YaCy peer local data
* @param jsResort when true results resorting with JavaScript is enabled
*/
function renderPaginationButtons(buttonsList, offset, itemsperpage, totalcount,
navurlbase, localQuery, jsResort) {
var buttons = buttonsList.getElementsByTagName("li");
if (buttons.length < 2) {
/* At least prev and next page buttons are expected to be here */
return;
}
var thispage = Math.floor(offset / itemsperpage);
var firstPage = thispage - (thispage % 10);
var prevPageElement = buttons[0];
var prevPageLink = prevPageElement.firstChild;
if (thispage == 0) {
/* First page : the prev page button is disabled */
prevPageElement.className = "disabled";
if (prevPageLink != null) {
prevPageLink.accessKey = null;
prevPageLink.href = "#";
}
} else {
prevPageElement.className = "";
if (prevPageLink != null) {
prevPageLink.accessKey = "p";
if (jsResort) {
prevPageLink.href = "javascript:numberedPage(" + (thispage - 1)
+ ");";
} else {
prevPageLink.href = (navurlbase + "&startRecord=" + ((thispage - 1) * itemsperpage));
}
}
}
var nextPageElement = buttons[buttons.length - 1];
var totalPagesNb = Math.floor(1 + ((totalcount - 1) / itemsperpage));
var numberofpages = Math.min(10, totalPagesNb - firstPage);
if (!numberofpages) {
numberofpages = 10;
}
if(numberofpages > 1) {
buttonsList.className = "pagination";
} else {
/* Hide the pagination buttons when there is less than one page of results */
buttonsList.className = "pagination hidden";
}
var btnIndex = 1;
var btnElement, pageLink;
/* Update existing buttons or add new ones according to the new pagination */
for (var i = firstPage; i < (firstPage + numberofpages); i++) {
if (btnIndex < (buttons.length - 1)) {
btnElement = buttons[btnIndex];
pageLink = btnElement.firstChild;
} else {
btnElement = document.createElement("li");
btnElement.id = "pageBtn" + btnIndex;
pageLink = document.createElement("a");
btnElement.appendChild(pageLink);
}
if (pageLink != null) {
if (i == thispage) {
btnElement.className = "active";
pageLink.href = "#";
} else {
btnElement.className = "";
if (jsResort) {
pageLink.href = "javascript:numberedPage(" + (i) + ");";
} else {
pageLink.href = navurlbase + "&startRecord=" + (i * itemsperpage);
}
}
pageLink.innerText = (i + 1);
}
if (btnIndex >= (buttons.length - 1)) {
/*
* Insert the newly created button now that all its modifications
* are done
*/
buttonsList.insertBefore(btnElement, buttons[buttons.length - 1]);
}
btnIndex++;
}
/* Remove existing buttons now in excess */
while (btnIndex < (buttons.length - 1)) {
buttonsList.removeChild(buttons[buttons.length - 2]);
}
var nextPageLink = nextPageElement.firstChild;
if ((localQuery && thispage >= (totalPagesNb - 1))
|| (!localQuery && thispage >= (numberofpages - 1))) {
/* Last page on a local query, or last fetchable page in p2p mode : the next page button is disabled */
nextPageElement.className = "disabled";
if (nextPageLink != null) {
nextPageLink.accessKey = null;
nextPageLink.href = "#";
}
} else {
nextPageElement.className = "";
if (nextPageLink != null) {
nextPageLink.accessKey = "n";
if (jsResort) {
nextPageLink.href = "javascript:numberedPage(" + (thispage + 1)
+ ");";
} else {
nextPageLink.href = navurlbase + "&startRecord="
+ ((thispage + 1) * itemsperpage);
}
}
}
}
/**
* Parses a string representing an integer value
*
* @param strIntValue
* formatted string
* @returns the number value or undefined when the string is undefined, or NaN
* when the string is not a number
*/
function parseFormattedInt(strIntValue) {
var inValue;
if(strIntValue != null && strIntValue.replace != null) {
/* Remove thousands separator and try to parse as integer */
intValue = parseInt(strIntValue.replace(/[\.\,]/g,''))
}
return intValue;
}
function statistics(offset, itemscount, itemsperpage, totalcount, localIndexCount, remoteIndexCount, remotePeerCount, navurlbase, localQuery, feedRunning, jsResort) {
var totalcountIntValue = parseFormattedInt(totalcount);
var offsetIntValue = parseFormattedInt(offset);
var itemscountIntValue = parseFormattedInt(itemscount);
var itemsperpageIntValue = parseFormattedInt(itemsperpage);
var feedingStatusElement = document.getElementById("feedingStatus");
if(feedingStatusElement != null) {
if(feedRunning) {
feedingStatusElement.style.visibility = "visible";
} else {
feedingStatusElement.style.visibility = "hidden";
}
}
/* Display the eventual button allowing to refresh the sort of cached results
* only when all feeds are terminated and when there is more than one result */
var resortCachedElement = document.getElementById("resortCached");
if(resortCachedElement != null) {
if(feedRunning) {
resortCachedElement.style.visibility = "hidden";
} else if(totalcountIntValue > 1){
resortCachedElement.style.visibility = "visible";
}
}
if (totalcountIntValue == 0) {
return;
}
var elementToUpdate = document.getElementById("offset");
if (offsetIntValue >= 0 && elementToUpdate != null) {
elementToUpdate.innerHTML = offset;
}
elementToUpdate = document.getElementById("startRecord");
if (offsetIntValue >= 0 && elementToUpdate != null) {
elementToUpdate.setAttribute('value', offsetIntValue - 1);
}
elementToUpdate = document.getElementById("itemscount");
if (itemscountIntValue >= 0 && elementToUpdate != null) {
elementToUpdate.firstChild.nodeValue = itemscount;
}
elementToUpdate = document.getElementById("totalcount");
if(elementToUpdate != null) {
elementToUpdate.firstChild.nodeValue = totalcount;
}
elementToUpdate = document.getElementById("localIndexCount");
if (elementToUpdate != null) {
elementToUpdate.firstChild.nodeValue = localIndexCount;
}
elementToUpdate = document.getElementById("remoteIndexCount");
if (elementToUpdate != null) {
elementToUpdate.firstChild.nodeValue = remoteIndexCount;
}
elementToUpdate = document.getElementById("remotePeerCount");
if (elementToUpdate != null) {
elementToUpdate.firstChild.nodeValue = remotePeerCount;
}
// compose page navigation
var progresseBarElement = document.getElementById("progressbar");
if (progresseBarElement.getAttribute('class') != "progress-bar progress-bar-success") {
var percent = 100 * (itemscountIntValue - offsetIntValue + 1) / itemsperpageIntValue;
if (percent == 100) {
progresseBarElement.setAttribute('style',"transition:transform 0s;-webkit-transition:-webkit-transform 0s;");
progresseBarElement.setAttribute('class',"progress-bar progress-bar-success");
window.setTimeout(fadeOutBar, 500);
} else {
progresseBarElement.setAttribute('aria-valuenow', percent);
}
progresseBarElement.setAttribute('style',"width:" + percent + "%");
}
var buttonsList = document.getElementById("paginationButtons");
if (buttonsList != null && !jsResort) {
renderPaginationButtons(buttonsList, offsetIntValue, itemsperpageIntValue, totalcountIntValue, navurlbase, localQuery, jsResort);
}
}
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