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function

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young 8 years ago
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867ca59078
  1. 495
      src/core/func/function.js

495
src/core/func/function.js

@ -2,281 +2,278 @@
* 基本的函数 * 基本的函数
* Created by GUY on 2015/6/24. * Created by GUY on 2015/6/24.
*/ */
$(function () { BI.Func = {};
BI.Func = {}; BI.extend(BI.Func, {
var formulas = {};
BI.extend(BI.Func, {
/**
* 获取搜索结果
* @param items
* @param keyword
* @param param 搜索哪个属性
*/
getSearchResult: function (items, keyword, param) {
var isArray = BI.isArray(items);
items = isArray ? BI.flatten(items) : items;
param || (param = "text");
if (!BI.isKey(keyword)) {
return {
finded: BI.deepClone(items),
matched: isArray ? [] : {}
};
}
var t, text, py;
keyword = BI.toUpperCase(keyword);
var matched = isArray ? [] : {}, finded = isArray ? [] : {};
BI.each(items, function (i, item) {
item = BI.deepClone(item);
t = BI.stripEL(item);
text = t[param] || t.text || t.value || t.name || t;
py = BI.makeFirstPY(text);
text = BI.toUpperCase(text);
py = BI.toUpperCase(py);
var pidx;
if (text.indexOf(keyword) > -1) {
if (text === keyword) {
isArray ? matched.push(item) : (matched[i] = item);
} else {
isArray ? finded.push(item) : (finded[i] = item);
}
} else if (pidx = py.indexOf(keyword), (pidx > -1 && Math.floor(pidx / text.length) === Math.floor((pidx + keyword.length - 1) / text.length))) {
if (text === keyword || keyword.length === text.length) {
isArray ? matched.push(item) : (matched[i] = item);
} else {
isArray ? finded.push(item) : (finded[i] = item);
}
}
});
return {
matched: matched,
finded: finded
}
},
});
/** /**
* 对DOM操作的通用函数 * 获取搜索结果
* @type {{}} * @param items
* @param keyword
* @param param 搜索哪个属性
*/ */
BI.DOM = {}; getSearchResult: function (items, keyword, param) {
BI.extend(BI.DOM, { var isArray = BI.isArray(items);
items = isArray ? BI.flatten(items) : items;
/** param || (param = "text");
* 把dom数组或元素悬挂起来,使其不对html产生影响 if (!BI.isKey(keyword)) {
* @param dom return {
*/ finded: BI.deepClone(items),
hang: function (doms) { matched: isArray ? [] : {}
if (BI.isEmpty(doms)) { };
return; }
} var t, text, py;
var frag = document.createDocumentFragment(); keyword = BI.toUpperCase(keyword);
BI.each(doms, function (i, dom) { var matched = isArray ? [] : {}, finded = isArray ? [] : {};
dom instanceof BI.Widget && (dom = dom.element); BI.each(items, function (i, item) {
dom instanceof $ && dom[0] && frag.appendChild(dom[0]); item = BI.deepClone(item);
}); t = BI.stripEL(item);
return frag; text = t[param] || t.text || t.value || t.name || t;
}, py = BI.makeFirstPY(text);
text = BI.toUpperCase(text);
isExist: function (obj) { py = BI.toUpperCase(py);
return $("body").find(obj.element).length > 0; var pidx;
}, if (text.indexOf(keyword) > -1) {
if (text === keyword) {
//预加载图片 isArray ? matched.push(item) : (matched[i] = item);
preloadImages: function (srcArray, onload) { } else {
var count = 0, images = []; isArray ? finded.push(item) : (finded[i] = item);
}
function complete() { } else if (pidx = py.indexOf(keyword), (pidx > -1 && Math.floor(pidx / text.length) === Math.floor((pidx + keyword.length - 1) / text.length))) {
count++; if (text === keyword || keyword.length === text.length) {
if (count >= srcArray.length) { isArray ? matched.push(item) : (matched[i] = item);
onload(); } else {
isArray ? finded.push(item) : (finded[i] = item);
} }
} }
});
return {
matched: matched,
finded: finded
}
},
});
BI.each(srcArray, function (i, src) { /**
images[i] = new Image(); * 对DOM操作的通用函数
images[i].src = src; * @type {{}}
images[i].onload = function () { */
complete() BI.DOM = {};
}; BI.extend(BI.DOM, {
images[i].onerror = function () {
complete()
};
});
},
isColor: function (color) {
return this.isRGBColor(color) || this.isHexColor(color);
},
isRGBColor: function (color) {
if (!color) {
return false;
}
return color.substr(0, 3) === "rgb";
},
isHexColor: function (color) { /**
if (!color) { * 把dom数组或元素悬挂起来,使其不对html产生影响
return false; * @param dom
*/
hang: function (doms) {
if (BI.isEmpty(doms)) {
return;
}
var frag = document.createDocumentFragment();
BI.each(doms, function (i, dom) {
dom instanceof BI.Widget && (dom = dom.element);
dom instanceof $ && dom[0] && frag.appendChild(dom[0]);
});
return frag;
},
isExist: function (obj) {
return $("body").find(obj.element).length > 0;
},
//预加载图片
preloadImages: function (srcArray, onload) {
var count = 0, images = [];
function complete() {
count++;
if (count >= srcArray.length) {
onload();
} }
return color[0] === "#" && color.length === 7; }
},
isDarkColor: function (hex) { BI.each(srcArray, function (i, src) {
if (!hex) { images[i] = new Image();
return false; images[i].src = src;
} images[i].onload = function () {
var rgb = this.rgb2json(this.hex2rgb(hex)); complete()
var grayLevel = Math.round(rgb.r * 0.299 + rgb.g * 0.587 + rgb.b * 0.114); };
if (grayLevel < 140) { images[i].onerror = function () {
return true; complete()
} };
});
},
isColor: function (color) {
return this.isRGBColor(color) || this.isHexColor(color);
},
isRGBColor: function (color) {
if (!color) {
return false; return false;
}, }
return color.substr(0, 3) === "rgb";
},
//获取对比颜色 isHexColor: function (color) {
getContrastColor: function (color) { if (!color) {
if (!color) { return false;
return ""; }
} return color[0] === "#" && color.length === 7;
if (this.isDarkColor(color)) { },
return "#ffffff";
}
return "#1a1a1a";
},
rgb2hex: function (rgbColour) { isDarkColor: function (hex) {
if (!rgbColour || rgbColour.substr(0, 3) != "rgb") { if (!hex) {
return ""; return false;
} }
var rgbValues = rgbColour.match(/\d+(\.\d+)?/g); var rgb = this.rgb2json(this.hex2rgb(hex));
var red = BI.parseInt(rgbValues[0]); var grayLevel = Math.round(rgb.r * 0.299 + rgb.g * 0.587 + rgb.b * 0.114);
var green = BI.parseInt(rgbValues[1]); if (grayLevel < 140) {
var blue = BI.parseInt(rgbValues[2]); return true;
}
return false;
},
var hexColour = "#" + this.int2hex(red) + this.int2hex(green) + this.int2hex(blue); //获取对比颜色
getContrastColor: function (color) {
if (!color) {
return "";
}
if (this.isDarkColor(color)) {
return "#ffffff";
}
return "#1a1a1a";
},
return hexColour; rgb2hex: function (rgbColour) {
}, if (!rgbColour || rgbColour.substr(0, 3) != "rgb") {
return "";
}
var rgbValues = rgbColour.match(/\d+(\.\d+)?/g);
var red = BI.parseInt(rgbValues[0]);
var green = BI.parseInt(rgbValues[1]);
var blue = BI.parseInt(rgbValues[2]);
rgb2json: function (rgbColour) { var hexColour = "#" + this.int2hex(red) + this.int2hex(green) + this.int2hex(blue);
if (!rgbColour) {
return {};
}
var rgbValues = rgbColour.match(/\d+(\.\d+)?/g);
return {
r: BI.parseInt(rgbValues[0]),
g: BI.parseInt(rgbValues[1]),
b: BI.parseInt(rgbValues[2])
};
},
rgba2json: function (rgbColour) { return hexColour;
if (!rgbColour) { },
return {};
}
var rgbValues = rgbColour.match(/\d+(\.\d+)?/g);
return {
r: BI.parseInt(rgbValues[0]),
g: BI.parseInt(rgbValues[1]),
b: BI.parseInt(rgbValues[2]),
a: BI.parseFloat(rgbValues[3])
};
},
json2rgb: function (rgb) { rgb2json: function (rgbColour) {
if (!BI.isKey(rgb.r) || !BI.isKey(rgb.g) || !BI.isKey(rgb.b)) { if (!rgbColour) {
return ""; return {};
} }
return "rgb(" + rgb.r + "," + rgb.g + "," + rgb.b + ")"; var rgbValues = rgbColour.match(/\d+(\.\d+)?/g);
}, return {
r: BI.parseInt(rgbValues[0]),
g: BI.parseInt(rgbValues[1]),
b: BI.parseInt(rgbValues[2])
};
},
rgba2json: function (rgbColour) {
if (!rgbColour) {
return {};
}
var rgbValues = rgbColour.match(/\d+(\.\d+)?/g);
return {
r: BI.parseInt(rgbValues[0]),
g: BI.parseInt(rgbValues[1]),
b: BI.parseInt(rgbValues[2]),
a: BI.parseFloat(rgbValues[3])
};
},
json2rgb: function (rgb) {
if (!BI.isKey(rgb.r) || !BI.isKey(rgb.g) || !BI.isKey(rgb.b)) {
return "";
}
return "rgb(" + rgb.r + "," + rgb.g + "," + rgb.b + ")";
},
json2rgba: function (rgba) { json2rgba: function (rgba) {
if (!BI.isKey(rgba.r) || !BI.isKey(rgba.g) || !BI.isKey(rgba.b)) { if (!BI.isKey(rgba.r) || !BI.isKey(rgba.g) || !BI.isKey(rgba.b)) {
return ""; return "";
} }
return "rgba(" + rgba.r + "," + rgba.g + "," + rgba.b + "," + rgba.a + ")"; return "rgba(" + rgba.r + "," + rgba.g + "," + rgba.b + "," + rgba.a + ")";
}, },
int2hex: function (strNum) { int2hex: function (strNum) {
var hexdig = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f']; var hexdig = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'];
return hexdig[strNum >>> 4] + '' + hexdig[strNum & 15]; return hexdig[strNum >>> 4] + '' + hexdig[strNum & 15];
}, },
hex2rgb: function (color) { hex2rgb: function (color) {
if (!color) { if (!color) {
return ""; return "";
} }
var tempValue = "rgb(", colorArray; var tempValue = "rgb(", colorArray;
if (color.length === 7) { if (color.length === 7) {
colorArray = [BI.parseInt('0x' + color.substring(1, 3)), colorArray = [BI.parseInt('0x' + color.substring(1, 3)),
BI.parseInt('0x' + color.substring(3, 5)), BI.parseInt('0x' + color.substring(3, 5)),
BI.parseInt('0x' + color.substring(5, 7))]; BI.parseInt('0x' + color.substring(5, 7))];
} }
else if (color.length === 4) { else if (color.length === 4) {
colorArray = [BI.parseInt('0x' + color.substring(1, 2)), colorArray = [BI.parseInt('0x' + color.substring(1, 2)),
BI.parseInt('0x' + color.substring(2, 3)), BI.parseInt('0x' + color.substring(2, 3)),
BI.parseInt('0x' + color.substring(3, 4))]; BI.parseInt('0x' + color.substring(3, 4))];
} }
tempValue += colorArray[0] + ","; tempValue += colorArray[0] + ",";
tempValue += colorArray[1] + ","; tempValue += colorArray[1] + ",";
tempValue += colorArray[2] + ")"; tempValue += colorArray[2] + ")";
return tempValue; return tempValue;
}, },
rgba2rgb: function (rgbColour, BGcolor) { rgba2rgb: function (rgbColour, BGcolor) {
if (BI.isNull(BGcolor)) { if (BI.isNull(BGcolor)) {
BGcolor = 1; BGcolor = 1;
} }
if (rgbColour.substr(0, 4) != "rgba") { if (rgbColour.substr(0, 4) != "rgba") {
return ""; return "";
} }
var rgbValues = rgbColour.match(/\d+(\.\d+)?/g); var rgbValues = rgbColour.match(/\d+(\.\d+)?/g);
if (rgbValues.length < 4) { if (rgbValues.length < 4) {
return ""; return "";
} }
var R = BI.parseFloat(rgbValues[0]); var R = BI.parseFloat(rgbValues[0]);
var G = BI.parseFloat(rgbValues[1]); var G = BI.parseFloat(rgbValues[1]);
var B = BI.parseFloat(rgbValues[2]); var B = BI.parseFloat(rgbValues[2]);
var A = BI.parseFloat(rgbValues[3]); var A = BI.parseFloat(rgbValues[3]);
return "rgb(" + Math.floor(255 * (BGcolor * (1 - A )) + R * A) + "," + return "rgb(" + Math.floor(255 * (BGcolor * (1 - A )) + R * A) + "," +
Math.floor(255 * (BGcolor * (1 - A )) + G * A) + "," + Math.floor(255 * (BGcolor * (1 - A )) + G * A) + "," +
Math.floor(255 * (BGcolor * (1 - A )) + B * A) + ")"; Math.floor(255 * (BGcolor * (1 - A )) + B * A) + ")";
}, },
getTextSizeWidth: function (text, fontSize) { getTextSizeWidth: function (text, fontSize) {
var span = $("<span></span>").addClass("text-width-span").appendTo($("body")); var span = $("<span></span>").addClass("text-width-span").appendTo($("body"));
if (fontSize == null) { if (fontSize == null) {
fontSize = 12; fontSize = 12;
} }
fontSize = fontSize + "px"; fontSize = fontSize + "px";
span.css("font-size", fontSize).text(text); span.css("font-size", fontSize).text(text);
var width = span.width(); var width = span.width();
span.remove(); span.remove();
return width; return width;
}, },
//获取滚动条的宽度 //获取滚动条的宽度
getScrollWidth: function () { getScrollWidth: function () {
if (this._scrollWidth == null) { if (this._scrollWidth == null) {
var ul = $("<div>").width(50).height(50).css({ var ul = $("<div>").width(50).height(50).css({
position: "absolute", position: "absolute",
top: "-9999px", top: "-9999px",
overflow: "scroll" overflow: "scroll"
}).appendTo($("body")); }).appendTo($("body"));
this._scrollWidth = ul[0].offsetWidth - ul[0].clientWidth; this._scrollWidth = ul[0].offsetWidth - ul[0].clientWidth;
ul.destroy(); ul.destroy();
}
return this._scrollWidth;
} }
}); return this._scrollWidth;
}
}); });
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