From 777d49538b8fe1a47fc15d142249a53a61425072 Mon Sep 17 00:00:00 2001
From: Matt Baer <matt@baer.works>
Date: Tue, 1 Nov 2016 20:46:38 -0400
Subject: [PATCH] Move H.js library to HTMLhouse

Previously this relied on the library stored on write.as
---
 static/js/h.js        | 257 ++++++++++++++++++++++++++++++++++++++++++++++++++
 templates/editor.html |   2 +-
 2 files changed, 258 insertions(+), 1 deletion(-)
 create mode 100644 static/js/h.js

diff --git a/static/js/h.js b/static/js/h.js
new file mode 100644
index 0000000..d22b4cf
--- /dev/null
+++ b/static/js/h.js
@@ -0,0 +1,257 @@
+/**
+ * H.js
+ * 
+ * Lightweight, extremely bare-bones library for manipulating the DOM and
+ * saving some typing.
+ */
+
+var Element = function(domElement) {
+	this.el = domElement;
+};
+
+/**
+ * Creates a toggle button that adds / removes the given class name from the
+ * given element.
+ *
+ * @param {Element} $el - The element to modify.
+ * @param {string} onClass - The class to add to the given element.
+ * @param {function} onFunc - Additional actions when toggling on.
+ * @param {function} offFunc - Additional actions when toggling off.
+ */
+Element.prototype.createToggle = function($el, onClass, onFunc, offFunc) {
+	this.on('click', function(e) {
+		if ($el.el.className === '') {
+			$el.el.className = onClass;
+			onFunc(new Element(this), e);
+		} else {
+			$el.el.className = '';
+			offFunc(new Element(this), e);
+		}
+		e.preventDefault();
+	}, false);
+};
+Element.prototype.on = function(event, func) {
+	events = event.split(' ');
+	var el = this.el;
+	if (el == null) {
+		console.error("Error: element for event is null");
+		return;
+	}
+	var addEvent = function(e) {
+		if (el.addEventListener) {
+			el.addEventListener(e, func, false);
+		} else if (el.attachEvent) {
+			el.attachEvent(e, func);
+		}
+	};
+	if (events.length === 1) {
+		addEvent(event);
+	} else {
+		for(var i=0; i<events.length; i++) {
+			addEvent(events[i]);
+		}
+	}
+};
+Element.prototype.setClass = function(className) {
+	if (this.el == null) {
+		console.error("Error: element to set class on is null");
+		return;
+	}
+	this.el.className = className;
+};
+Element.prototype.removeClass = function(className) {
+	if (this.el == null) {
+		console.error("Error: element to remove class on is null");
+		return;
+	}
+	var regex = new RegExp(' ?' + className, 'g');
+	this.el.className = this.el.className.replace(regex, '');
+};
+Element.prototype.text = function(text, className) {
+	if (this.el == null) {
+		console.error("Error: element for setting text is null");
+		return;
+	}
+	if (this.el.innerText !== text) {
+		this.el.innerText = text;
+		if (typeof className !== 'undefined') {
+			this.el.className = this.el.className + ' ' + className;
+		}
+	}
+};
+Element.prototype.insertAfter = function(newNode) {
+	if (this.el == null) {
+		console.error("Error: element for insertAfter is null");
+		return;
+	}
+	this.el.parentNode.insertBefore(newNode, this.el.nextSibling);
+};
+Element.prototype.remove = function() {
+	if (this.el == null) {
+		console.error("Didn't remove element");
+		return;
+	}
+	this.el.parentNode.removeChild(this.el);
+};
+Element.prototype.hide = function() {
+	if (this.el == null) {
+		console.error("Didn't hide element");
+		return;
+	}
+	this.el.className += ' effect fade-out';
+};
+Element.prototype.show = function() {
+	if (this.el == null) {
+		console.error("Didn't show element");
+		return;
+	}
+	this.el.className += ' effect';
+};
+
+
+var H = {
+	getEl: function(elementId) {
+		return new Element(document.getElementById(elementId));
+	},
+	save: function($el, key) {
+		localStorage.setItem(key, $el.el.value);
+	},
+	load: function($el, key, onlyLoadPopulated) {
+		var val = localStorage.getItem(key);
+		if (onlyLoadPopulated && val == null) {
+			// Do nothing
+			return;
+		}
+		$el.el.value = val;
+	},
+	set: function(key, value) {
+		localStorage.setItem(key, value);
+	},
+	get: function(key, defaultValue) {
+		var val = localStorage.getItem(key);
+		if (val == null) {
+			val = defaultValue;
+		}
+		return val;
+	},
+	remove: function(key) {
+		localStorage.removeItem(key);
+	},
+	exists: function(key) {
+		return localStorage.getItem(key) !== null;
+	},
+	createPost: function(id, editToken, content, created) {
+		var summaryLen = 200;
+		var titleLen = 80;
+		var getPostMeta = function(content) {
+			var eol = content.indexOf("\n");
+			if (content.indexOf("# ") === 0) {
+				// Title is in the format:
+				//
+				//   # Some title
+				var summary = content.substring(eol).trim();
+				if (summary.length > summaryLen) {
+					summary = summary.substring(0, summaryLen) + "...";
+				}
+				return {
+					title: content.substring("# ".length, eol),
+					summary: summary,
+				};
+			}
+
+			var blankLine = content.indexOf("\n\n");
+			if (blankLine !== -1 && blankLine <= eol && blankLine <= titleLen) {
+				// Title is in the format:
+				//
+				//   Some title
+				//
+				//   The body starts after that blank line above it.
+				var summary = content.substring(blankLine).trim();
+				if (summary.length > summaryLen) {
+					summary = summary.substring(0, summaryLen) + "...";
+				}
+				return {
+					title: content.substring(0, blankLine),
+					summary: summary,
+				};
+			}
+
+			// TODO: move this to the beginning
+			var title = content.trim();
+			var summary = "";
+			if (title.length > titleLen) {
+				// Content can't fit in the title, so figure out the summary
+				summary = title;
+				title = "";
+				if (summary.length > summaryLen) {
+					summary = summary.substring(0, summaryLen) + "...";
+				}
+			} else if (eol > 0) {
+				summary = title.substring(eol+1);
+				title = title.substring(0, eol);
+			}
+			return {
+				title: title,
+				summary: summary
+			};
+		};
+		
+		var post = getPostMeta(content);
+		post.id = id;
+		post.token = editToken;
+		post.created = created ? new Date(created) : new Date();
+		post.client = "Pad";
+		
+		return post;
+	},
+	getTitleStrict: function(content) {
+		var eol = content.indexOf("\n");
+		var title = "";
+		var newContent = content;
+		if (content.indexOf("# ") === 0) {
+			// Title is in the format:
+			// # Some title
+			if (eol !== -1) {
+				// First line should start with # and end with \n
+				newContent = content.substring(eol).leftTrim();
+				title = content.substring("# ".length, eol);
+			}
+		}
+		return {
+			title: title,
+			content: newContent
+		};
+	},
+};
+
+var He = {
+	create: function(name) {
+		return document.createElement(name);
+	},
+	get: function(id) {
+		return document.getElementById(id);
+	},
+	$: function(selector) {
+		var els = document.querySelectorAll(selector);
+		return els;
+	},
+	postJSON: function(url, params, callback) {
+		var http = new XMLHttpRequest();
+
+		http.open("POST", url, true);
+
+		// Send the proper header information along with the request
+		http.setRequestHeader("Content-type", "application/json");
+
+		http.onreadystatechange = function() {
+			if (http.readyState == 4) {
+				callback(http.status, JSON.parse(http.responseText));
+			}
+		}
+		http.send(JSON.stringify(params));
+	},
+};
+
+String.prototype.leftTrim = function() {
+	return this.replace(/^\s+/,"");
+};
diff --git a/templates/editor.html b/templates/editor.html
index adbb75a..8912f17 100644
--- a/templates/editor.html
+++ b/templates/editor.html
@@ -49,7 +49,7 @@
 
 <script src="https://code.jquery.com/jquery-2.1.4.min.js" type="text/javascript" charset="utf-8"></script>
 <script src="/js/ace.js" type="text/javascript" charset="utf-8"></script>
-<script src="https://write.as/js/h.js"></script>
+<script src="/js/h.js"></script>
 <script>
 (function() {
 	var publishing = false;