repos/tabletprog: editor.js comparison

comparison editor.js @ 131:8285784f5ff5

Implement previous and next buttons

author	Mike Pavone <pavone@retrodev.com>
date	Wed, 07 Aug 2013 10:01:28 -0700
parents	2b25d0ce2946
children	a503a329acfa

comparison

equal deleted inserted replaced

-:6a1a716bb8c6
+:8285784f5ff5
 	for (var i in this.messages) {
 		this.messages[i].toHTML(el, this);
 	}
 };
+object.prototype.getNext = function(curNode) {
+	for (var i = 0; i < this.messages.length-1; i++) {
+		if (this.messages[i] == curNode) {
+			return this.messages[i+1];
+		}
+	}
+	return this.up.getNext(this);
+};
+object.prototype.getPrev = function(curNode) {
+	for (var i = 1; i < this.messages.length; i++) {
+		if (this.messages[i] == curNode) {
+			return this.messages[i - 1];
+		}
+	}
+	return this.up.getPrev(this);
+};
 lambda.prototype.toHTML = function(node, up) {
 	this.up = up
 	var astNode = this;
 	var el = newEl('div', {
 		className: 'lambda',
 		this.expressions[i].toHTML(body, this);
 	}
 	el.appendChild(args);
 	el.appendChild(body);
 	node.appendChild(el);
+};
+lambda.prototype.getNext = function(curNode) {
+	for (var i = 0; i < this.args.length; i++) {
+		if (this.args[i] == curNode) {
+			if ((i + 1) < this.args.length) {
+				return this.args[i+1];
+			} else if(this.expressions.length) {
+				return this.expressions[0];
+			} else {
+				break;
+			}
+		}
+	}
+	for (var i = 0; i < this.expressions.length-1; i++) {
+		if (this.expressions[i] == curNode) {
+			return this.expressions[i+1];
+		}
+	}
+	return this.up.getNext(this);
+};
+lambda.prototype.getPrev = function(curNode) {
+	for (var i = 0; i < this.args.length; i++) {
+		if (this.args[i] == curNode) {
+			if (i > 0) {
+				return this.args[i-1];
+			} else {
+				return this.up.getPrev(this);
+			}
+		}
+	}
+	for (var i = 0; i < this.expressions.length; i++) {
+		if (this.expressions[i] == curNode) {
+			if (i > 0) {
+				return this.expressions[i-1];
+			} else if(this.args.length) {
+				return this.args[this.args.length-1];
+			} else {
+				break;
+			}
+		}
+	}
+	return this.up.getPrev(this);
 };
 assignment.prototype.toHTML = function(node, up) {
 	this.up = up;
 	var astNode = this;
 	});
 	this.domNode = base;
 	base.appendChild(varName);
 	node.appendChild(base);
 	this.expression.toHTML(base, this);
+};
+assignment.prototype.getNext = function(curNode) {
+	return this.up.getNext(this);
+};
+assignment.prototype.getPrev = function(curNode) {
+	return this;
 };
 op.prototype.toHTML = function(node, up) {
 	this.up = up;
 	var astNode = this;
 		this.right.toHTML(base, this);
 	}
 	node.appendChild(base);
 };
+op.prototype.getNext = function(curNode) {
+	if (this.left == curNode) {
+		return this.right;
+	}
+	return this.up.getNext(this);
+};
+op.prototype.getPrev = function(curNode) {
+	if (this.right == curNode) {
+		return this.left;
+	}
+	return this.up.getPrev(this);
+};
 intlit.prototype.toHTML = function(node, up) {
 	this.up = up;
 	var astNode = this;
 	this.domNode = newEl('span', {
 		className: 'integer',
 	});
 	for (var i = 0; i < this.val.length; i++) {
 		this.val[i].toHTML(this.domNode, this);
 	}
 	node.appendChild(this.domNode);
+};
+listlit.prototype.getNext = arraylit.prototype.getNext = function(curNode) {
+	for (var i = 0; i < this.val.length; i++) {
+		if (this.val[i] == curNode) {
+			if ((i + 1) < this.val.length) {
+				return this.val[i+1];
+			} else {
+				break;
+			}
+		}
+	}
+	return this.up.getNext(this);
+};
+listlit.prototype.getPrev = arraylit.prototype.getPrev = function(curNode) {
+	for (var i = 0; i < this.val.length; i++) {
+		if (this.val[i] == curNode) {
+			if (i > 0) {
+				return this.val[i-1];
+			} else {
+				break;
+			}
+		}
+	}
+	return this.up.getPrev(this);
 };
 arraylit.prototype.toHTML = function(node, up) {
 	this.up = up;
 	this.domNode = newEl('span', {
 		this.args[i].toHTML(base, this);
 	}
 	node.appendChild(base);
 };
+funcall.prototype.getNext = function(curNode) {
+	if (this.receiver == curNode && this.args.length) {
+		return this.args[0];
+	}
+	for (var i = 0; i < this.args.length-1; i++) {
+		if (this.args[i] == curNode) {
+			return this.args[i+1];
+		}
+	}
+	return this.up.getNext(this);
+};
+funcall.prototype.getPrev = function(curNode) {
+	for (var i = 0; i < this.args.length; i++) {
+		if (this.args[i] == curNode) {
+			if (i > 0) {
+				return this.args[i-1];
+			} else if (this.receiver) {
+				return this.receiver;
+			} else {
+				break;
+			}
+		}
+	}
+	return this.up.getPrev(this);
+};
 symbol.prototype.toHTML = function(node, up) {
 	this.up = up;
 	var astNode = this;
 	this.domNode = newEl('span', {
 		className: 'symbol',