alasql/src/80console.js

AlaSQL.js - JavaScript SQL database library for relational and graph data manipulation with support of localStorage, IndexedDB, and Excel

// Console functions
/*
alasql.con = {
	results:{}
};

alasql.con.open = function(el) {
	// For browser only
	if (typeof exports === 'object') return;

	// Find parent element
	el = el || document.getElementById('alasql-con') || document.getElementsByTagName('body');
	if(!el) {throw new Error('Cannot fid element for console.')}

	var conel = document.createElement('div');
	conel.style.width = "1000px";
	conel.style.height = "320px";

	alasql.con.conel = conel;

	var lenta = document.createElement('div');
	lenta.style.width = "1000px";
	lenta.style.height = "200px";
	lenta.style.overflow = "scroll";
	alasql.con.lenta = lenta;

	var inpel = document.createElement('div');
	inpel.style.width = "1000px";
	inpel.style.height = "100px";
	inpel.style.contentEditable = true;
	inpel.innerHTML = 'command ';
	alasql.con.inpel = inpel;

	conel.appendChild(lenta);
	conel.appendChild(inpel);
	el.appendChild(conel);
};

alasql.con.clear = function() {
	// For browser only
	if (typeof exports === 'object') return;

	alasql.con.conel.innerHTML = '';
};

alasql.con.close = function() {
	// For browser only
	if (typeof exports === 'object') return;

	alasql.con.conel.removeChild(alasql.con.lenta);
	alasql.con.conel.removeChild(alasql.con.inel);
	alasql.con.conel.parentElement.removeChild(conel);
};

alasql.con.log = function() {
		// For browser only
	if (typeof exports === 'object') {
		console.log.bind(console).apply(this, arguments);
	} else {
		var s = '<div>';
		s += Array.prototype.slice.call(arguments, 0).map(function(arg){
			return arg.toString();
		}).join(' ');
		s += '</div>';
		alasql.con.conel.innerHTML += s;
	};

};
*/
alasql.test = function(name, times, fn) {
	if(arguments.length == 0) {
		alasql.log(alasql.con.results);
		return;
	} else if(arguments.length == 1) {
		var tm = Date.now();
		fn();
		alasql.con.log(Date.now()-tm);
		return;
	} 

	if(arguments.length == 2) {
		fn = times;
		times = 1;
	}

	var tm = Date.now();
	for(var i=0;i<times;i++) fn();
	alasql.con.results[name] = Date.now()-tm;
};

// Console
// alasql.log = function(sql, params) {
// 	var res;
// 	if(typeof sql == "string") {
// 		res = alasql(sql, params);
// 	} else {
// 		res = sql;
// 	};
// 	if(res instanceof Array) {
// 		if(console.table) {
// 			console.table(res);		
// 		} else {
// 			console.log(res);
// 		}
// 	} else {
// 		console.log(res);				
// 	}
// };

// Console
alasql.log = function(sql, params) {
	var olduseid = alasql.useid;
	var target = alasql.options.logtarget;
	// For node other
	if(typeof exports == 'object') {
		target = 'console';
	}

	var res;
	if(typeof sql == "string") {
		res = alasql(sql, params);
	} else {
		res = sql;
	};

	// For Node and console.output
	if(target == 'console' || typeof exports == 'object') {
		if(typeof sql == 'string' && alasql.options.logprompt) console.log(olduseid+'>',sql);

		if(res instanceof Array) {
			if(console.table) {
				// For Chrome and other consoles
				console.table(res);		
			} else {
				// Add print procedure
				console.log(JSONtoString(res));
			}
		} else {
			console.log(JSONtoString(res));				
		}

	} else {
		var el;
		if(target == 'output') {
			el = document.getElementsByTagName('output')[0];
		} else {
			if(typeof target == 'string') {
				el = document.getElementById(target);
			} else {
				// in case of DOM
				el = target;
			}

		}

		var s = '';

		if(typeof sql == 'string' && alasql.options.logprompt) {
//			s += '<p>'+olduseid+'&gt;&nbsp;'+alasql.pretty(sql)+'</p>';
			s += '<pre><code>'+alasql.pretty(sql)+'</code></pre>';
		}

		if(res instanceof Array) {
			if(res.length == 0) {
				s += '<p>[ ]</p>'
			} else if(typeof res[0] != 'object' || res[0] instanceof Array) {
				for(var i=0,ilen=res.length;i<ilen;i++) {
					s += '<p>'+loghtml(res[i])+'</p>';
				}
			} else {
				s += loghtml(res);
			}
		} else {
			s += loghtml(res);
		}
		el.innerHTML += s;
	}
};

alasql.clear = function() {
	var target = alasql.options.logtarget;
	// For node other
	if(typeof exports == 'object') {
		target = 'console';
	};

	if(target == 'console' || typeof exports == 'object') {
		if(console.clear) {
			console.clear();
		} else {
			// Something todo in Node
		}
	} else {
		var el;
		if(target == 'output') {
			el = document.getElementsByTagName('output')[0];
		} else {
			if(typeof target == 'string') {
				el = document.getElementById(target);
			} else {
				// in case of DOM
				el = target;
			}
		}
		el.innerHTML = '';		
	}
}

alasql.write = function(s) {
//	console.log('write',s);
	var target = alasql.options.logtarget;
	// For node other
	if(typeof exports == 'object') {
		target = 'console';
	};

	if(target == 'console' || typeof exports == 'object') {
		if(console.log) {
			console.log(s);
		} else {
			// Something todo in Node
		}
	} else {
		var el;
		if(target == 'output') {
			el = document.getElementsByTagName('output')[0];
		} else {
			if(typeof target == 'string') {
				el = document.getElementById(target);
			} else {
				// in case of DOM
				el = target;
			}
		}
		el.innerHTML += s;		
	}
}

function loghtml(res) {
//	console.log(res); 
	var s  = '';
	if(typeof res == 'undefined') {
		s += 'undefined';
	} else if(res instanceof Array) {
		s += '<style>';
		s += 'table {border:1px black solid; border-collapse: collapse; border-spacing: 0px;}';
		s += 'td,th {border:1px black solid; padding-left:5px; padding-right:5px}';
		s += 'th {background-color: #EEE}';
		s += '</style>';
		s += '<table>';
		var cols = [];			
		for(colid in res[0]) {
			cols.push(colid);
		}
		s += '<tr><th>#';
		cols.forEach(function(colid){
			s += '<th>'+colid;
		});
		for(var i=0,ilen=res.length;i<ilen;i++) {
			s += '<tr><th>'+(i+1);
			cols.forEach(function(colid){
				s += '<td> ';
				if(+res[i][colid] == +res[i][colid]) {
					s += '<div style="text-align:right">';
					if(typeof res[i][colid] == 'undefined') s += 'NULL';
					else s += res[i][colid];
					s += '</div>';
				} else {
					if(typeof res[i][colid] == 'undefined') {
						s += 'NULL';
					} else if (typeof res[i][colid] == 'string') {
						s += res[i][colid];
					} else s += JSONtoString(res[i][colid]);
//					s += res[i][colid];
				};
			});
		}

		s += '</table>';
	} else {
		s += '<p>'+JSONtoString(res)+'</p>';
	}
		// if () {}

		// 		if(typeof res == 'object') {
		// 			s += '<p>'+JSON.stringify(res)+'</p>';
		// 		} else {
		// 		}
	return s;
};



function scrollTo(element, to, duration) {
    if (duration <= 0) return;
    var difference = to - element.scrollTop;
    var perTick = difference / duration * 10;

    setTimeout(function() {
        if (element.scrollTop==to) return;
        element.scrollTop = element.scrollTop + perTick;
        scrollTo(element, to, duration - 10);
    }, 10);
}

alasql.prompt = function(el, useidel, firstsql) {
	if(typeof exports == 'object') {
		throw new Error('The functionality of prompt is not realized for Node.js');
	};
	var prompti = 0;
	if(typeof el == 'string') el = document.getElementById(el);
	if(typeof useidel == 'string') useidel = document.getElementById(useidel);
	useidel.textContent = alasql.useid;

	if(firstsql) {
		alasql.prompthistory.push(firstsql);
		prompti = alasql.prompthistory.length;
		try {
			var tm = Date.now();
			alasql.log(firstsql);
			alasql.write('<p style="color:blue">'+(Date.now()-tm)+' ms</p>');
		} catch (err) {
			alasql.write('<p>'+olduseid+'&gt;&nbsp;<b>'+sql+'</b></p>');
			alasql.write('<p style="color:red">'+err+'<p>');
		}
	};

	var y = el.getBoundingClientRect().top + document.getElementsByTagName('body')[0].scrollTop;
	scrollTo(document.getElementsByTagName('body')[0],y,500);

	el.onkeydown = function(event) {
		if(event.which == 13) {
			var sql = el.value;
			var olduseid = alasql.useid;
			el.value = '';
			alasql.prompthistory.push(sql);
			prompti = alasql.prompthistory.length;
			try {
				var tm = Date.now();
				alasql.log(sql);
				alasql.write('<p style="color:blue">'+(Date.now()-tm)+' ms</p>');
			} catch (err) {
				alasql.write('<p>'+olduseid+'&gt;&nbsp;'+alasql.pretty(sql, false)+'</p>');
				alasql.write('<p style="color:red">'+err+'<p>');
			}
			el.focus();
//			console.log(el.getBoundingClientRect().top);
			useidel.textContent = alasql.useid;
			var y = el.getBoundingClientRect().top + document.getElementsByTagName('body')[0].scrollTop;
			scrollTo(document.getElementsByTagName('body')[0],y,500);
		} else if(event.which == 38) {
			prompti--; if(prompti<0) prompti = 0;
			if(alasql.prompthistory[prompti]) {
				el.value = alasql.prompthistory[prompti];
				event.preventDefault();
			}

		} else if(event.which == 40) {
			prompti++; 
			if(prompti>=alasql.prompthistory.length) {
				prompti = alasql.prompthistory.length;
				el.value = '';
			} else if(alasql.prompthistory[prompti]) {
				el.value = alasql.prompthistory[prompti];
				event.preventDefault();
			}
		}

	}
}