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329 lines (290 loc) · 8.66 KB
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var $table = null;
function Array2DTracer(module) {
if (Tracer.call(this, module || Array2DTracer)) {
initTable();
return true;
}
return false;
}
Array2DTracer.prototype = Object.create(Tracer.prototype);
Array2DTracer.prototype.constructor = Array2DTracer;
// Override
Array2DTracer.prototype.resize = function() {
Tracer.prototype.resize.call(this);
this.refresh();
};
// Override
Array2DTracer.prototype.clear = function() {
Tracer.prototype.clear.call(this);
clearTableColor();
};
var Array2D = {
random: function(N, M, min, max) {
if (!N) N = 10;
if (!M) M = 10;
if (min === undefined) min = 1;
if (max === undefined) max = 9;
var D = [];
for (var i = 0; i < N; i++) {
D.push([]);
for (var j = 0; j < M; j++) {
D[i].push((Math.random() * (max - min + 1) | 0) + min);
}
}
return D;
},
randomSorted: function(N, M, min, max) {
return this.random(N, M, min, max).map(function(arr) {
return arr.sort(function(a, b) {
return a - b;
});
});
}
};
// Override
Array2DTracer.prototype._setData = function(D) {
this.D = D;
this.viewX = this.viewY = 0;
this.paddingH = 6;
this.paddingV = 3;
this.fontSize = 16;
if (Tracer.prototype._setData.call(this, arguments)) {
$('.mtbl-row').each(function(i) {
$(this).children().each(function(j) {
$(this).text(D[i][j]);
});
});
return true;
}
$table.empty();
for (var i = 0; i < D.length; i++) {
var $row = $('<div class="mtbl-row">');
$table.append($row);
for (var j = 0; j < D[i].length; j++) {
var $cell = $('<div class="mtbl-cell">')
.css(this.getCellCss())
.text(D[i][j]);
$row.append($cell);
}
}
this.resize();
return false;
};
Array2DTracer.prototype._notify = function(x1, y1, x2, y2) {
var second = x2 !== undefined && y2 !== undefined;
this.pushStep({
type: 'notifying',
x: x1,
y: y1,
value: this.D[x1][y1]
}, !second);
if (second) this.pushStep({
type: 'notifying',
x: x2,
y: y2,
value: this.D[x2][y2]
}, true);
this.pushStep({
type: 'notified',
x: x1,
y: y1
}, false);
if (second) this.pushStep({
type: 'notified',
x: x2,
y: y2
}, false);
};
Array2DTracer.prototype._select = function(sx, sy, ex, ey) {
this.pushSelectingStep('select', null, arguments);
};
Array2DTracer.prototype._selectRow = function(x, sy, ey) {
this.pushSelectingStep('select', 'row', arguments);
};
Array2DTracer.prototype._selectCol = function(y, sx, ex) {
this.pushSelectingStep('select', 'col', arguments);
};
Array2DTracer.prototype._selectSet = function(coords) {
this.pushSelectingStep('select', 'set', arguments);
};
Array2DTracer.prototype._deselect = function(sx, sy, ex, ey) {
this.pushSelectingStep('deselect', null, arguments);
};
Array2DTracer.prototype._deselectRow = function(x, sy, ey) {
this.pushSelectingStep('deselect', 'row', arguments);
};
Array2DTracer.prototype._deselectCol = function(y, sx, ex) {
this.pushSelectingStep('deselect', 'col', arguments);
};
Array2DTracer.prototype._deselectSet = function(coords) {
this.pushSelectingStep('deselect', 'set', arguments);
};
Array2DTracer.prototype.pushSelectingStep = function() {
var args = Array.prototype.slice.call(arguments);
var type = args.shift();
var mode = args.shift();
args = Array.prototype.slice.call(args.shift());
var coord;
switch (mode) {
case 'row':
coord = {
x: args[0],
sy: args[1],
ey: args[2]
};
break;
case 'col':
coord = {
y: args[0],
sx: args[1],
ex: args[2]
};
break;
case 'set':
coord = {
coords: args[0]
};
break;
default:
if (args[2] === undefined && args[3] === undefined) {
coord = {
x: args[0],
y: args[1]
};
} else {
coord = {
sx: args[0],
sy: args[1],
ex: args[2],
ey: args[3]
};
}
}
var step = {
type: type
};
$.extend(step, coord);
this.pushStep(step, type == 'select');
};
Array2DTracer.prototype.processStep = function(step, options) {
switch (step.type) {
case 'notifying':
var $row = $table.find('.mtbl-row').eq(step.x);
$row.find('.mtbl-cell').eq(step.y).text(step.value);
case 'notified':
case 'select':
case 'deselect':
var colorClass = step.type == 'select' || step.type == 'deselect' ? tableColorClass.selected : tableColorClass.notifying;
var addClass = step.type == 'select' || step.type == 'notifying';
if (step.coords) {
step.coords.forEach(function(coord) {
var x = coord.x;
var y = coord.y;
paintColor(x, y, x, y, colorClass, addClass);
});
} else {
var sx = step.sx;
var sy = step.sy;
var ex = step.ex;
var ey = step.ey;
if (sx === undefined) sx = step.x;
if (sy === undefined) sy = step.y;
if (ex === undefined) ex = step.x;
if (ey === undefined) ey = step.y;
paintColor(sx, sy, ex, ey, colorClass, addClass);
}
break;
}
};
Array2DTracer.prototype.getCellCss = function() {
return {
padding: this.paddingV.toFixed(1) + 'px ' + this.paddingH.toFixed(1) + 'px',
'font-size': this.fontSize.toFixed(1) + 'px'
};
};
// Override
Array2DTracer.prototype.refresh = function() {
Tracer.prototype.refresh.call(this);
var $parent = $table.parent();
var top = $parent.height() / 2 - $table.height() / 2 + this.viewY;
var left = $parent.width() / 2 - $table.width() / 2 + this.viewX;
$table.css('margin-top', top);
$table.css('margin-left', left);
};
// Override
Array2DTracer.prototype.prevStep = function() {
this.clear();
$('#tab_trace .wrapper').empty();
var finalIndex = this.traceIndex - 1;
if (finalIndex < 0) {
this.traceIndex = -1;
return;
}
for (var i = 0; i < finalIndex; i++) {
this.step(i, {
virtual: true
});
}
this.step(finalIndex);
};
// Override
Array2DTracer.prototype.mousedown = function(e) {
Tracer.prototype.mousedown.call(this, e);
this.dragX = e.pageX;
this.dragY = e.pageY;
this.dragging = true;
};
// Override
Array2DTracer.prototype.mousemove = function(e) {
Tracer.prototype.mousemove.call(this, e);
if (this.dragging) {
this.viewX += e.pageX - this.dragX;
this.viewY += e.pageY - this.dragY;
this.dragX = e.pageX;
this.dragY = e.pageY;
this.refresh();
}
};
// Override
Array2DTracer.prototype.mouseup = function(e) {
Tracer.prototype.mouseup.call(this, e);
this.dragging = false;
};
// Override
Array2DTracer.prototype.mousewheel = function(e) {
Tracer.prototype.mousewheel.call(this, e);
e.preventDefault();
e = e.originalEvent;
var delta = (e.wheelDelta !== undefined && e.wheelDelta) ||
(e.detail !== undefined && -e.detail);
var weight = 1.01;
var ratio = delta > 0 ? 1 / weight : weight;
if (this.fontSize < 4 && ratio < 1) return;
if (this.fontSize > 40 && ratio > 1) return;
this.paddingV *= ratio;
this.paddingH *= ratio;
this.fontSize *= ratio;
$('.mtbl-cell').css(this.getCellCss());
this.refresh();
};
var initTable = function() {
$table = $('<div class="mtbl-table">');
$module_container.append($table);
};
var paintColor = function(sx, sy, ex, ey, colorClass, addClass) {
for (var i = sx; i <= ex; i++) {
var $row = $table.find('.mtbl-row').eq(i);
for (var j = sy; j <= ey; j++) {
var $cell = $row.find('.mtbl-cell').eq(j);
if (addClass) $cell.addClass(colorClass);
else $cell.removeClass(colorClass);
}
}
};
var clearTableColor = function() {
$table.find('.mtbl-cell').removeClass(Object.keys(tableColorClass).join(' '));
};
var tableColorClass = {
selected: 'selected',
notifying: 'notifying'
};
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