motsmeles/src/js/generator.js

263 lines
9.3 KiB
JavaScript

var grid = [];
var words= [];
var width = 1;
var height= 1;
var SIZE = 30;
var currentModeText = document.getElementById('currentMode');
var inputGrid = document.getElementById('generator-grid');
var canvas = new fabric.Canvas('c', { selection: false });
var LabeledRect = fabric.util.createClass(fabric.Rect, {
type: 'labeledRect',
initialize: function(options) {
options = options || {};
this.callSuper('initialize', options);
this.set('label', options.label || '');
},
toObject: function() {
return fabric.util.object.extend(this.callSuper('toObject'), {
label: this.get('label')
});
},
_render: function(ctx) {
this.callSuper('_render', ctx);
ctx.font = '20px Helvetica';
ctx.fillStyle = '#333';
ctx.fillText(this.label, -this.width/2 + 5, -this.height/2 + 20);
}
});
var initGrid = function() {
// grid
var modifyGridSize = function modifyGridSize() {
var currentWidth = width;//grid[0] ? grid[0].length : 0;
var currentHeight = height;//grid.length;
console.log('grid size is ' + currentWidth + ' x ' + currentHeight);
var iHtml = '';
for(var i = 0,l = currentHeight; i <l ; i++) {
for (var j = 0, m = currentWidth; j<m; j++) {
iHtml += '<input type="text" class="inputGrid" data-x="'+j+'" data-y="'+i+'" maxlength="1"/>';
}
iHtml += '<div class="clearboth"></div>';
}
inputGrid.innerHTML = iHtml;
dynamicEvents();
};
document.getElementById('grid-width').addEventListener("change", function(evt){
width = evt.currentTarget.value;
modifyGridSize();
}, false);
document.getElementById('grid-height').addEventListener("change", function(evt){
height = evt.currentTarget.value;
modifyGridSize();
}, false);
var goToNextCase = function goToNextCase(sens) {
var currentCase = document.activeElement;
var currentX = currentCase.getAttribute('data-x');
var currentY = currentCase.getAttribute('data-y');
if (sens === 39) {
if (currentX == width-1) {
currentY++;
currentX = -1;
}
}
var nextCase;
// left = 37
// up = 38
// right = 39
// down = 40
switch( sens ) {
case 37:
nextCase = document.querySelector('.inputGrid[data-x="'+(+currentX-1)+'"][data-y="'+currentY+'"]');
break;
case 38:
nextCase = document.querySelector('.inputGrid[data-x="'+currentX+'"][data-y="'+(+currentY-1)+'"]');
break;
case 39:
nextCase = document.querySelector('.inputGrid[data-x="'+(+currentX+1)+'"][data-y="'+currentY+'"]');
break;
case 40:
nextCase = document.querySelector('.inputGrid[data-x="'+currentX+'"][data-y="'+(+currentY+1)+'"]');
break;
default: nextCase = currentCase;
break;
}
if(nextCase != undefined) {
nextCase.focus();
}
};
var gridKeyup = function gridKeyup(evt) {
var typedKey = evt.keyCode;
var senses = [37,38,39,40];
if (senses.indexOf(typedKey) !== -1) {
goToNextCase(typedKey);
} else if (typedKey >= 65 && typedKey <= 90) {
evt.currentTarget.value = String.fromCharCode(typedKey).toUpperCase();
goToNextCase(39);
}
};
var dynamicEvents = function dynamicEvents() {
var inputs = document.getElementsByClassName('inputGrid');
var inputsLength = inputs.length;
for (var i = 0; i < inputsLength; i++) {
var input = inputs[i];
input.removeEventListener("keyup",gridKeyup);
input.addEventListener("keyup", gridKeyup.bind(this), false);
}
};
var isGridValid = function isGridValid() {
for (var i = 0,l = height; i <l ; i++) {
for (var j = 0, m = width; j<m; j++) {
if (document.querySelector('.inputGrid[data-x="'+j+'"][data-y="'+i+'"]').value == '') {
return false;
}
}
}
return true;
};
document.getElementById('validateGrid').addEventListener('click', function(e) {
if (isGridValid()) {
for (var i = 0,l = height; i <l ; i++) {
grid[i] = [];
for (var j = 0, m = width; j<m; j++) {
grid[i][j] = document.querySelector('.inputGrid[data-x="'+j+'"][data-y="'+i+'"]').value;
}
}
console.log(grid);
location.href = '#wordsList';
initWords();
// gotonextstep
}
}, false);
};
var initWords = function initWords() {
var numHeight = grid.length;
var numWidth = grid[0].length;
var ulContent = document.createDocumentFragment();
var tmpLi;
var i, isDragging, origin, drawingLine, end;
canvas.setDimensions({width: SIZE*numWidth + numWidth, height: SIZE*numHeight + numHeight});
for (i = 0; i < numWidth; i++) {
for (j = 0; j < numHeight; j++) {
var rect = new LabeledRect({
left: i * SIZE,
top: j * SIZE,
fill: 'white',
stroke: 'black',
width: SIZE,
height: SIZE,
label: grid[j][i],
selectable: false
});
canvas.add(rect);
}
}
canvas.on('mouse:down', function(options) {
isDragging = true;
var pointer = canvas.getPointer(options.e);
var points = [ pointer.x, pointer.y, pointer.x, pointer.y ];
origin = [Math.floor(points[1]/SIZE),Math.floor(points[0]/SIZE)];
drawingLine = new fabric.Line(points, {
stroke: 'black',
strokeLineCap: 'round',
strokeWidth: SIZE/6,
originX: 'center',
originY: 'center'
});
canvas.add(drawingLine);
});
canvas.on('mouse:move', function(options) {
if(isDragging) {
var pointer = canvas.getPointer(options.e);
drawingLine.set({ x2: pointer.x, y2: pointer.y });
canvas.renderAll();
}
});
canvas.on('mouse:up', function(options) {
isDragging = false;
var pointer = canvas.getPointer(options.e);
var position = [pointer.x, pointer.y];
end = [Math.floor(position[1]/SIZE),Math.floor(position[0]/SIZE)];
canvas.remove(drawingLine);
if(origin[0] !== end[0] || origin[1] !== end[1]) {
var newWord = addWord();
var newLi = document.createElement('li');
newLi.innerHTML = newWord;
document.getElementById('words').appendChild(newLi);
words.push(newWord);
var lineCoord = origin.reverse().join('').concat(end.reverse().join('')).split('');
lineCoord = lineCoord.map(function(map){return map*SIZE+SIZE/2;});
var line = new fabric.Line(lineCoord, {
stroke: 'black',
strokeLineCap: 'round',
strokeWidth: SIZE/6,
originX: 'center',
originY: 'center',
selectable: false
});
canvas.add(line);
}
origin = [];
end = [];
});
var addWord = function addWord() {
var result = -1;
var isHorizontal = origin[0] === end[0];
var isVertical = origin[1] === end[1];
var isDiagonal = Math.abs(origin[0]-end[0]) === Math.abs(origin[1]-end[1]);
var x;
var first;
var last;
var word = '';
if(isHorizontal) {
first = Math.min(origin[1], end[1]);
last = Math.max(origin[1], end[1]);
for( x=first;x<=last; x++ ) {
word += grid[origin[0]][x];
}
}else if (isVertical) {
first = Math.min(origin[0], end[0]);
last = Math.max(origin[0], end[0]);
for( x=first;x<=last; x++ ) {
word += grid[x][origin[1]];
}
} else if(isDiagonal) {
var xRight = origin[0] - end[0] < 0;
var yDown = origin[1] - end[1] < 0;
var i = 0;
var loopTime = Math.abs(origin[0]-end[0]);
for (;i<=loopTime;i++) {
word += grid[xRight ? origin[0] + i : origin[0] - i][yDown ? origin[1] +i : origin[1] - i];
}
}
return word;
};
document.getElementById('validateWord').addEventListener('click', function(evt) {
location.href = '#validate';
initSave();
}, false);
};
var initSave = function initSave() {
// save
var arrayToString = function arrayToString(array) {
var result = '[';
array.forEach(function(elt){
if (typeof elt === "object") {
result += arrayToString(elt) + ',';
} else {
result += "'" + ""+elt + "',";
}
});
result = result.slice(0, -1) + ']';
return result;
};
document.querySelector('textarea').innerHTML = 'var GRID = ' + arrayToString(grid) + '; var words = ' + arrayToString(words) + ';';
};
initGrid();