2018-06-07 19:50:07 +08:00

1005 lines
17 KiB
JavaScript

/**
* @author mrdoob / http://mrdoob.com/
*/
var UI = {};
UI.Element = function (dom) {
this.dom = dom;
};
UI.Element.prototype = {
add: function () {
for (var i = 0; i < arguments.length; i++) {
var argument = arguments[i];
if (argument instanceof UI.Element) {
this.dom.appendChild(argument.dom);
} else {
console.error('UI.Element:', argument, '并不是UI.Element的实例。');
}
}
return this;
},
remove: function () {
for (var i = 0; i < arguments.length; i++) {
var argument = arguments[i];
if (argument instanceof UI.Element) {
this.dom.removeChild(argument.dom);
} else {
console.error('UI.Element:', argument, '并不是UI.Element的实例。');
}
}
return this;
},
clear: function () {
while (this.dom.children.length) {
this.dom.removeChild(this.dom.lastChild);
}
},
setId: function (id) {
this.dom.id = id;
return this;
},
setClass: function (name) {
this.dom.className = name;
return this;
},
setStyle: function (style, array) {
for (var i = 0; i < array.length; i++) {
this.dom.style[style] = array[i];
}
return this;
},
setDisabled: function (value) {
this.dom.disabled = value;
return this;
},
setTextContent: function (value) {
this.dom.textContent = value;
return this;
}
};
// properties
var properties = ['position', 'left', 'top', 'right', 'bottom', 'width', 'height', 'border', 'borderLeft',
'borderTop', 'borderRight', 'borderBottom', 'borderColor', 'display', 'overflow', 'margin', 'marginLeft', 'marginTop', 'marginRight', 'marginBottom', 'padding', 'paddingLeft', 'paddingTop', 'paddingRight', 'paddingBottom', 'color',
'background', 'backgroundColor', 'opacity', 'fontSize', 'fontWeight', 'textAlign', 'textDecoration', 'textTransform', 'cursor', 'zIndex'];
properties.forEach(function (property) {
var method = 'set' + property.substr(0, 1).toUpperCase() + property.substr(1, property.length);
UI.Element.prototype[method] = function () {
this.setStyle(property, arguments);
return this;
};
});
// events
var events = ['KeyUp', 'KeyDown', 'MouseOver', 'MouseOut', 'Click', 'DblClick', 'Change'];
events.forEach(function (event) {
var method = 'on' + event;
UI.Element.prototype[method] = function (callback) {
this.dom.addEventListener(event.toLowerCase(), callback.bind(this), false);
return this;
};
});
// Span
UI.Span = function () {
UI.Element.call(this);
this.dom = document.createElement('span');
return this;
};
UI.Span.prototype = Object.create(UI.Element.prototype);
UI.Span.prototype.constructor = UI.Span;
// Div
UI.Div = function () {
UI.Element.call(this);
this.dom = document.createElement('div');
return this;
};
UI.Div.prototype = Object.create(UI.Element.prototype);
UI.Div.prototype.constructor = UI.Div;
// Row
UI.Row = function () {
UI.Element.call(this);
var dom = document.createElement('div');
dom.className = 'Row';
this.dom = dom;
return this;
};
UI.Row.prototype = Object.create(UI.Element.prototype);
UI.Row.prototype.constructor = UI.Row;
// Panel
UI.Panel = function () {
UI.Element.call(this);
var dom = document.createElement('div');
dom.className = 'Panel';
this.dom = dom;
return this;
};
UI.Panel.prototype = Object.create(UI.Element.prototype);
UI.Panel.prototype.constructor = UI.Panel;
// Text
UI.Text = function (text) {
UI.Element.call(this);
var dom = document.createElement('span');
dom.className = 'Text';
dom.style.cursor = 'default';
dom.style.display = 'inline-block';
dom.style.verticalAlign = 'middle';
this.dom = dom;
this.setValue(text);
return this;
};
UI.Text.prototype = Object.create(UI.Element.prototype);
UI.Text.prototype.constructor = UI.Text;
UI.Text.prototype.getValue = function () {
return this.dom.textContent;
};
UI.Text.prototype.setValue = function (value) {
if (value !== undefined) {
this.dom.textContent = value;
}
return this;
};
// Input
UI.Input = function (text) {
UI.Element.call(this);
var scope = this;
var dom = document.createElement('input');
dom.className = 'Input';
dom.style.padding = '2px';
dom.style.border = '1px solid transparent';
dom.addEventListener('keydown', function (event) {
event.stopPropagation();
}, false);
this.dom = dom;
this.setValue(text);
return this;
};
UI.Input.prototype = Object.create(UI.Element.prototype);
UI.Input.prototype.constructor = UI.Input;
UI.Input.prototype.getValue = function () {
return this.dom.value;
};
UI.Input.prototype.setValue = function (value) {
this.dom.value = value;
return this;
};
// TextArea
UI.TextArea = function () {
UI.Element.call(this);
var scope = this;
var dom = document.createElement('textarea');
dom.className = 'TextArea';
dom.style.padding = '2px';
dom.spellcheck = false;
dom.addEventListener('keydown', function (event) {
event.stopPropagation();
if (event.keyCode === 9) {
event.preventDefault();
var cursor = dom.selectionStart;
dom.value = dom.value.substring(0, cursor) + '\t' + dom.value.substring(cursor);
dom.selectionStart = cursor + 1;
dom.selectionEnd = dom.selectionStart;
}
}, false);
this.dom = dom;
return this;
};
UI.TextArea.prototype = Object.create(UI.Element.prototype);
UI.TextArea.prototype.constructor = UI.TextArea;
UI.TextArea.prototype.getValue = function () {
return this.dom.value;
};
UI.TextArea.prototype.setValue = function (value) {
this.dom.value = value;
return this;
};
// Select
UI.Select = function () {
UI.Element.call(this);
var scope = this;
var dom = document.createElement('select');
dom.className = 'Select';
dom.style.padding = '2px';
this.dom = dom;
return this;
};
UI.Select.prototype = Object.create(UI.Element.prototype);
UI.Select.prototype.constructor = UI.Select;
UI.Select.prototype.setMultiple = function (boolean) {
this.dom.multiple = boolean;
return this;
};
UI.Select.prototype.setOptions = function (options) {
var selected = this.dom.value;
while (this.dom.children.length > 0) {
this.dom.removeChild(this.dom.firstChild);
}
for (var key in options) {
var option = document.createElement('option');
option.value = key;
option.innerHTML = options[key];
this.dom.appendChild(option);
}
this.dom.value = selected;
return this;
};
UI.Select.prototype.getValue = function () {
return this.dom.value;
};
UI.Select.prototype.setValue = function (value) {
value = String(value);
if (this.dom.value !== value) {
this.dom.value = value;
}
return this;
};
// Checkbox
UI.Checkbox = function (boolean) {
UI.Element.call(this);
var scope = this;
var dom = document.createElement('input');
dom.className = 'Checkbox';
dom.type = 'checkbox';
this.dom = dom;
this.setValue(boolean);
return this;
};
UI.Checkbox.prototype = Object.create(UI.Element.prototype);
UI.Checkbox.prototype.constructor = UI.Checkbox;
UI.Checkbox.prototype.getValue = function () {
return this.dom.checked;
};
UI.Checkbox.prototype.setValue = function (value) {
if (value !== undefined) {
this.dom.checked = value;
}
return this;
};
// Color
UI.Color = function () {
UI.Element.call(this);
var scope = this;
var dom = document.createElement('input');
dom.className = 'Color';
dom.style.width = '64px';
dom.style.height = '17px';
dom.style.border = '0px';
dom.style.padding = '2px';
dom.style.backgroundColor = 'transparent';
try {
dom.type = 'color';
dom.value = '#ffffff';
} catch (exception) { }
this.dom = dom;
return this;
};
UI.Color.prototype = Object.create(UI.Element.prototype);
UI.Color.prototype.constructor = UI.Color;
UI.Color.prototype.getValue = function () {
return this.dom.value;
};
UI.Color.prototype.getHexValue = function () {
return parseInt(this.dom.value.substr(1), 16);
};
UI.Color.prototype.setValue = function (value) {
this.dom.value = value;
return this;
};
UI.Color.prototype.setHexValue = function (hex) {
this.dom.value = '#' + ('000000' + hex.toString(16)).slice(-6);
return this;
};
// Number
UI.Number = function (number) {
UI.Element.call(this);
var scope = this;
var dom = document.createElement('input');
dom.className = 'Number';
dom.value = '0.00';
dom.addEventListener('keydown', function (event) {
event.stopPropagation();
if (event.keyCode === 13) dom.blur();
}, false);
this.value = 0;
this.min = -Infinity;
this.max = Infinity;
this.precision = 2;
this.step = 1;
this.unit = '';
this.dom = dom;
this.setValue(number);
var changeEvent = document.createEvent('HTMLEvents');
changeEvent.initEvent('change', true, true);
var distance = 0;
var onMouseDownValue = 0;
var pointer = [0, 0];
var prevPointer = [0, 0];
function onMouseDown(event) {
event.preventDefault();
distance = 0;
onMouseDownValue = scope.value;
prevPointer = [event.clientX, event.clientY];
document.addEventListener('mousemove', onMouseMove, false);
document.addEventListener('mouseup', onMouseUp, false);
}
function onMouseMove(event) {
var currentValue = scope.value;
pointer = [event.clientX, event.clientY];
distance += (pointer[0] - prevPointer[0]) - (pointer[1] - prevPointer[1]);
var value = onMouseDownValue + (distance / (event.shiftKey ? 5 : 50)) * scope.step;
value = Math.min(scope.max, Math.max(scope.min, value));
if (currentValue !== value) {
scope.setValue(value);
dom.dispatchEvent(changeEvent);
}
prevPointer = [event.clientX, event.clientY];
}
function onMouseUp(event) {
document.removeEventListener('mousemove', onMouseMove, false);
document.removeEventListener('mouseup', onMouseUp, false);
if (Math.abs(distance) < 2) {
dom.focus();
dom.select();
}
}
function onChange(event) {
scope.setValue(dom.value);
}
function onFocus(event) {
dom.style.backgroundColor = '';
dom.style.cursor = '';
}
function onBlur(event) {
dom.style.backgroundColor = 'transparent';
dom.style.cursor = 'col-resize';
}
onBlur();
dom.addEventListener('mousedown', onMouseDown, false);
dom.addEventListener('change', onChange, false);
dom.addEventListener('focus', onFocus, false);
dom.addEventListener('blur', onBlur, false);
return this;
};
UI.Number.prototype = Object.create(UI.Element.prototype);
UI.Number.prototype.constructor = UI.Number;
UI.Number.prototype.getValue = function () {
return this.value;
};
UI.Number.prototype.setValue = function (value) {
if (value !== undefined) {
value = parseFloat(value);
if (value < this.min) value = this.min;
if (value > this.max) value = this.max;
this.value = value;
this.dom.value = value.toFixed(this.precision);
if (this.unit !== '') this.dom.value += ' ' + this.unit;
}
return this;
};
UI.Number.prototype.setPrecision = function (precision) {
this.precision = precision;
return this;
};
UI.Number.prototype.setStep = function (step) {
this.step = step;
return this;
};
UI.Number.prototype.setRange = function (min, max) {
this.min = min;
this.max = max;
return this;
};
UI.Number.prototype.setUnit = function (unit) {
this.unit = unit;
return this;
};
// Integer
UI.Integer = function (number) {
UI.Element.call(this);
var scope = this;
var dom = document.createElement('input');
dom.className = 'Number';
dom.value = '0';
dom.addEventListener('keydown', function (event) {
event.stopPropagation();
}, false);
this.value = 0;
this.min = -Infinity;
this.max = Infinity;
this.step = 1;
this.dom = dom;
this.setValue(number);
var changeEvent = document.createEvent('HTMLEvents');
changeEvent.initEvent('change', true, true);
var distance = 0;
var onMouseDownValue = 0;
var pointer = [0, 0];
var prevPointer = [0, 0];
function onMouseDown(event) {
event.preventDefault();
distance = 0;
onMouseDownValue = scope.value;
prevPointer = [event.clientX, event.clientY];
document.addEventListener('mousemove', onMouseMove, false);
document.addEventListener('mouseup', onMouseUp, false);
}
function onMouseMove(event) {
var currentValue = scope.value;
pointer = [event.clientX, event.clientY];
distance += (pointer[0] - prevPointer[0]) - (pointer[1] - prevPointer[1]);
var value = onMouseDownValue + (distance / (event.shiftKey ? 5 : 50)) * scope.step;
value = Math.min(scope.max, Math.max(scope.min, value)) | 0;
if (currentValue !== value) {
scope.setValue(value);
dom.dispatchEvent(changeEvent);
}
prevPointer = [event.clientX, event.clientY];
}
function onMouseUp(event) {
document.removeEventListener('mousemove', onMouseMove, false);
document.removeEventListener('mouseup', onMouseUp, false);
if (Math.abs(distance) < 2) {
dom.focus();
dom.select();
}
}
function onChange(event) {
scope.setValue(dom.value);
}
function onFocus(event) {
dom.style.backgroundColor = '';
dom.style.cursor = '';
}
function onBlur(event) {
dom.style.backgroundColor = 'transparent';
dom.style.cursor = 'col-resize';
}
onBlur();
dom.addEventListener('mousedown', onMouseDown, false);
dom.addEventListener('change', onChange, false);
dom.addEventListener('focus', onFocus, false);
dom.addEventListener('blur', onBlur, false);
return this;
};
UI.Integer.prototype = Object.create(UI.Element.prototype);
UI.Integer.prototype.constructor = UI.Integer;
UI.Integer.prototype.getValue = function () {
return this.value;
};
UI.Integer.prototype.setValue = function (value) {
if (value !== undefined) {
value = parseInt(value);
this.value = value;
this.dom.value = value;
}
return this;
};
UI.Number.prototype.setStep = function (step) {
this.step = step;
return this;
};
UI.Integer.prototype.setRange = function (min, max) {
this.min = min;
this.max = max;
return this;
};
// Break
UI.Break = function () {
UI.Element.call(this);
var dom = document.createElement('br');
dom.className = 'Break';
this.dom = dom;
return this;
};
UI.Break.prototype = Object.create(UI.Element.prototype);
UI.Break.prototype.constructor = UI.Break;
// HorizontalRule
UI.HorizontalRule = function () {
UI.Element.call(this);
var dom = document.createElement('hr');
dom.className = 'HorizontalRule';
this.dom = dom;
return this;
};
UI.HorizontalRule.prototype = Object.create(UI.Element.prototype);
UI.HorizontalRule.prototype.constructor = UI.HorizontalRule;
// Button
UI.Button = function (value) {
UI.Element.call(this);
var dom = document.createElement('button');
dom.className = 'Button';
this.dom = dom;
this.dom.textContent = value;
return this;
};
UI.Button.prototype = Object.create(UI.Element.prototype);
UI.Button.prototype.constructor = UI.Button;
UI.Button.prototype.setLabel = function (value) {
this.dom.textContent = value;
return this;
};
// Modal
UI.Modal = function (value) {
var scope = this;
var dom = document.createElement('div');
dom.style.position = 'absolute';
dom.style.width = '100%';
dom.style.height = '100%';
dom.style.backgroundColor = 'rgba(0,0,0,0.5)';
dom.style.display = 'none';
dom.style.alignItems = 'center';
dom.style.justifyContent = 'center';
dom.addEventListener('click', function (event) {
scope.hide();
});
this.dom = dom;
this.container = new UI.Panel();
this.container.dom.style.width = '200px';
this.container.dom.style.padding = '20px';
this.container.dom.style.backgroundColor = '#ffffff';
this.container.dom.style.boxShadow = '0px 5px 10px rgba(0,0,0,0.5)';
this.add(this.container);
return this;
};
UI.Modal.prototype = Object.create(UI.Element.prototype);
UI.Modal.prototype.constructor = UI.Modal;
UI.Modal.prototype.show = function (content) {
this.container.clear();
this.container.add(content);
this.dom.style.display = 'flex';
return this;
};
UI.Modal.prototype.hide = function () {
this.dom.style.display = 'none';
return this;
};