69 lines
1.8 KiB
JavaScript
69 lines
1.8 KiB
JavaScript
// Utility class for hash navigation.
|
|
|
|
// Parse hash as in http://www.example.com/path#hash as if it were
|
|
// path and arguments.
|
|
export default class HashNavigation {
|
|
static parseUrlHash(hash) {
|
|
// Split path from args, path -> parts[0], args->path[1]
|
|
const parts = hash.split('?', 2);
|
|
const params = {};
|
|
let path = [];
|
|
if (parts[0]) {
|
|
path = parts[0].substr(1).split('/');
|
|
}
|
|
if (parts[1]) {
|
|
parts[1].split('&').forEach(function(part) {
|
|
let item = part.split('=');
|
|
if (item[0]) {
|
|
params[decodeURIComponent(item[0])] = decodeURIComponent(item[1]);
|
|
}
|
|
});
|
|
}
|
|
return {path: path, params: params};
|
|
}
|
|
|
|
static navigateTo(url) {
|
|
window.location.hash = url;
|
|
}
|
|
|
|
static composeUrlHash(path, params) {
|
|
let url = path.join('/');
|
|
const args = [];
|
|
for (const key in params) {
|
|
if (params.hasOwnProperty(key)) {
|
|
args.push(key + '=' + params[key]);
|
|
}
|
|
}
|
|
if (args.length > 0) {
|
|
url += '?' + args.join('&');
|
|
}
|
|
return url;
|
|
}
|
|
|
|
static addUrlParam(hash, key, value) {
|
|
const parsed = this.parseUrlHash(hash);
|
|
parsed.params[key] = value;
|
|
return this.composeUrlHash(parsed.path, parsed.params);
|
|
}
|
|
|
|
static removeUrlParam(hash, key) {
|
|
const parsed = this.parseUrlHash(hash);
|
|
delete parsed.params[key];
|
|
return this.composeUrlHash(parsed.path, parsed.params);
|
|
}
|
|
|
|
static setUrlSidePanel(hash, sidepanel) {
|
|
const parsed = this.parseUrlHash(hash);
|
|
parsed.path[0] = sidepanel;
|
|
return this.composeUrlHash(parsed.path, parsed.params);
|
|
}
|
|
|
|
static setUrlTopic(hash, topic) {
|
|
const parsed = this.parseUrlHash(hash);
|
|
parsed.path[1] = topic;
|
|
// Close InfoView on topic change.
|
|
delete parsed.params.info;
|
|
return this.composeUrlHash(parsed.path, parsed.params);
|
|
}
|
|
}
|