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Code Issues Projects Releases Wiki Activity

Merge pull request #9 from mattr555/master 

Added linking to entries via url hash
This commit is contained in:
Roland Rytz 2017-04-06 00:58:13 +02:00 committed by GitHub
parent 6ec44f4257 a5c609d14f
commit f1031a9035
1 changed files with 80 additions and 70 deletions
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150
web/_js/view.js
View File

@ -4,10 +4,10 @@
/*
========================================================================
The /r/place Atlas
An Atlas of Reddit's /r/place, with information to each
artwork of the canvas provided by the community.
Copyright (C) 2017 Roland Rytz <roland@draemm.li>
Licensed under the GNU Affero General Public License Version 3
This program is free software: you can redistribute it and/or modify
@ -19,10 +19,32 @@
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
For more information, see:
https://draemm.li/various/place-atlas/license.txt
========================================================================
*/
function createInfoBlock(entry){
var element = document.createElement("div");
element.className = "object";
var html = '<h2><a href="#id'+entry.id+'">'+entry.name+'</a></h2>';
if(entry.description){
html += '<p>'+entry.description+'</p>';
}
if(entry.website){
html += '<a target="_blank" href='+entry.website+'>Website</a>';
}
if(entry.subreddit){
if(entry.subreddit.substring(0, 2) == "r/"){
entry.subreddit = "/" + entry.subreddit;
} else if(entry.subreddit.substring(0, 1) != "/"){
entry.subreddit = "/r/" + entry.subreddit;
}
html += '<a target="_blank" href=https://reddit.com'+entry.subreddit+'>'+entry.subreddit+'</a>';
}
element.innerHTML = html;
return element;
}
function initView(){
@ -30,14 +52,14 @@ function initView(){
var linesCanvas = document.getElementById("linesCanvas");
var linesContext = linesCanvas.getContext("2d");
var backgroundCanvas = document.createElement("canvas");
backgroundCanvas.width = 1000;
backgroundCanvas.height = 1000;
var backgroundContext = backgroundCanvas.getContext("2d");
var filterInput = document.getElementById("searchList");
var entriesList = document.getElementById("entriesList");
var entriesLimit = 50;
@ -61,6 +83,31 @@ function initView(){
buildObjectsList();
// parse linked atlas entry id from link hash
if (window.location.hash.substring(3)){
var id = parseInt(window.location.hash.substring(3));
var entry = atlas.filter(function(e){
return e.id === id;
});
if (entry.length === 1){
entry = entry[0];
var infoElement = createInfoBlock(entry);
objectsContainer.appendChild(infoElement);
zoomOrigin = [
(-(container.clientWidth/2 - innerContainer.clientWidth/2) + container.clientWidth/2 - entry.center[0]* zoom)
,(-(container.clientHeight/2 - innerContainer.clientHeight/2) + container.clientHeight/2 + 50 - entry.center[1]* zoom)
]
applyView();
hovered = [entry];
fixed = true;
render();
hovered[0].element = infoElement;
updateLines();
}
}
container.addEventListener("mousemove", function(e){
updateHovering(e);
});
@ -71,7 +118,7 @@ function initView(){
entriesList.appendChild(moreEntriesButton);
buildObjectsList(this.value.toLowerCase());
});
document.getElementById("sort").addEventListener("input", function(e){
@ -80,7 +127,7 @@ function initView(){
entriesList.appendChild(moreEntriesButton);
buildObjectsList(filterInput.value.toLowerCase());
});
function updateHovering(e){
@ -117,32 +164,14 @@ function initView(){
objectsContainer.innerHTML = "";
for(var i in hovered){
var element = document.createElement("div");
element.className = "object";
var html = '<h2>'+hovered[i].name+'</h2>';
if(hovered[i].description){
html += '<p>'+hovered[i].description+'</p>';
}
if(hovered[i].website){
html += '<a target="_blank" href='+hovered[i].website+'>Website</a>';
}
if(hovered[i].subreddit){
if(hovered[i].subreddit.substring(0, 2) == "r/"){
hovered[i].subreddit = "/" + hovered[i].subreddit;
} else if(hovered[i].subreddit.substring(0, 1) != "/"){
hovered[i].subreddit = "/r/" + hovered[i].subreddit;
}
html += '<a target="_blank" href=https://reddit.com'+hovered[i].subreddit+'>'+hovered[i].subreddit+'</a>';
}
element.innerHTML = html;
var element = createInfoBlock(hovered[i]);
objectsContainer.appendChild(element);
hovered[i].element = element;
}
render();
}
}
@ -152,20 +181,20 @@ function initView(){
function renderBackground(){
backgroundContext.clearRect(0, 0, canvas.width, canvas.height);
backgroundContext.fillStyle = "rgba(0, 0, 0, 0.6)";
backgroundContext.fillRect(0, 0, canvas.width, canvas.height);
for(var i = 0; i < atlas.length; i++){
var path = atlas[i].path;
backgroundContext.beginPath();
if(path[0]){
backgroundContext.moveTo(path[0][0], path[0][1]);
}
for(var p = 1; p < path.length; p++){
backgroundContext.lineTo(path[p][0], path[p][1]);
}
@ -251,40 +280,22 @@ function initView(){
}
sortedAtlas.sort(sortFunction);
for(var i = entriesOffset; i < entriesOffset+entriesLimit; i++){
if(i >= sortedAtlas.length){
break;
}
var element = document.createElement("div");
element.className = "object";
var html = '<h2>'+sortedAtlas[i].name+'</h2>';
if(sortedAtlas[i].description){
html += '<p>'+sortedAtlas[i].description+'</p>';
}
if(sortedAtlas[i].website){
html += '<a target="_blank" href='+sortedAtlas[i].website+'>Website</a>';
}
if(sortedAtlas[i].subreddit){
if(sortedAtlas[i].subreddit.substring(0, 2) == "r/"){
sortedAtlas[i].subreddit = "/" + sortedAtlas[i].subreddit;
} else if(sortedAtlas[i].subreddit.substring(0, 1) != "/"){
sortedAtlas[i].subreddit = "/r/" + sortedAtlas[i].subreddit;
}
html += '<a target="_blank" href=https://reddit.com'+sortedAtlas[i].subreddit+'>'+sortedAtlas[i].subreddit+'</a>';
}
element.innerHTML = html;
var element = createInfoBlock(sortedAtlas[i]);
element.foo = sortedAtlas[i];
element.addEventListener("mouseenter", function(e){
objectsContainer.innerHTML = "";
zoomOrigin = [
(-(container.clientWidth/2 - innerContainer.clientWidth/2) + container.clientWidth/2 - this.foo.center[0]* zoom)
(-(container.clientWidth/2 - innerContainer.clientWidth/2) + container.clientWidth/2 - this.foo.center[0]* zoom)
,(-(container.clientHeight/2 - innerContainer.clientHeight/2) + container.clientHeight/2 + 50 - this.foo.center[1]* zoom)
]
applyView();
@ -292,7 +303,7 @@ function initView(){
render();
hovered[0].element = this;
updateLines();
});
element.addEventListener("mouseleave", function(e){
@ -323,19 +334,19 @@ function initView(){
} else {
container.style.cursor = "default";
}
for(var i = 0; i < hovered.length; i++){
var path = hovered[i].path;
context.beginPath();
if(path[0]){
context.moveTo(path[0][0], path[0][1]);
}
for(var p = 1; p < path.length; p++){
context.lineTo(path[p][0], path[p][1]);
}
@ -352,15 +363,15 @@ function initView(){
context.drawImage(backgroundCanvas, 0, 0);
for(var i = 0; i < hovered.length; i++){
var path = hovered[i].path;
context.beginPath();
if(path[0]){
context.moveTo(path[0][0], path[0][1]);
}
for(var p = 1; p < path.length; p++){
context.lineTo(path[p][0], path[p][1]);
}
@ -373,7 +384,7 @@ function initView(){
context.stroke();
}
}
function toggleFixed(e){
@ -388,16 +399,16 @@ function initView(){
}
function updateLines(){
linesCanvas.width = container.clientWidth;
linesCanvas.height = container.clientHeight;
linesContext.lineCap = "round";
linesContext.lineWidth = Math.max(Math.min(zoom*1.5, 16*1.5), 1)*2;
linesContext.strokeStyle = "#000000";
for(var i = 0; i < hovered.length; i++){
var element = hovered[i].element;
linesContext.beginPath();
//linesContext.moveTo(element.offsetLeft + element.clientWidth - 10, element.offsetTop + 20);
linesContext.moveTo(
@ -410,13 +421,13 @@ function initView(){
);
linesContext.stroke();
}
linesContext.lineWidth = Math.max(Math.min(zoom, 16), 1)*2;
linesContext.strokeStyle = "#FFFFFF";
for(var i = 0; i < hovered.length; i++){
var element = hovered[i].element;
linesContext.beginPath();
linesContext.moveTo(
element.getBoundingClientRect().left + document.documentElement.scrollLeft + element.clientWidth/2
@ -451,6 +462,5 @@ function initView(){
objectsContainer.addEventListener("scroll", function(e){
updateLines();
});
}
}