fast qrcode 选中文字快速生成二维码
// ==UserScript==
// @name 二维码快速生成 FastQrcode
// @namespace http://tampermonkey.net/
// @version 0.4
// @description fast qrcode 选中文字快速生成二维码
// @author UndCover
// @include *:*
// @require https://cdn.staticfile.org/jquery/1.10.0/jquery.min.js
// @require https://cdn.staticfile.org/jquery.qrcode/1.0/jquery.qrcode.min.js
// ==/UserScript==
(function() {
'use strict';
function utf16to8(str) {
var out, i, len, c;
out = "";
len = str.length;
for (i = 0; i < len; i++) {
c = str.charCodeAt(i);
if ((c >= 0x0001) && (c <= 0x007F)) {
out += str.charAt(i);
} else if (c > 0x07FF) {
out += String.fromCharCode(0xE0 | ((c >> 12) & 0x0F));
out += String.fromCharCode(0x80 | ((c >> 6) & 0x3F));
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
} else {
out += String.fromCharCode(0xC0 | ((c >> 6) & 0x1F));
out += String.fromCharCode(0x80 | ((c >> 0) & 0x3F));
}
}
return out;
}
var code = {
addElement: function() {
var tooltip = jQuery('<div id="UndCover_Tooltip" style="display:none;width:auto; height:auto; padding:10px;background:orange no-repeat left top;"><a id="UndCover_Show">显示</a> <a id="UndCover_Current">网址</a> <a id="UndCover_Close">关闭</a></div>');
var qrcode = jQuery('<div id="UndCover_Qrcode" style="display:none;z-index:999; display:block; position:fixed; left:300px; top:100px; margin:0; width:auto; height:auto;"></div>');
jQuery('body').append(tooltip);
jQuery('body').append(qrcode);
// $(".UndCoverIcon").css({
// "width": "30px",
// "height": "30px",
// "fill": "#80808080",
// "overflow": "hidden"
// });
},
eventHandle: function() {
var selection = "";
var clickable = true;
var $qrcode = $("#UndCover_Qrcode");
/* 绑定鼠标左键按住事件 */
$qrcode.bind("mousedown",
function(event) {
clickable = true;
/* 获取需要拖动节点的坐标 */
var offset_x = $(this)[0].offsetLeft; //x坐标
var offset_y = $(this)[0].offsetTop; //y坐标
/* 获取当前鼠标的坐标 */
var mouse_x = event.pageX;
var mouse_y = event.pageY;
/* 绑定拖动事件 */
/* 由于拖动时，可能鼠标会移出元素，所以应该使用全局（document）元素 */
$(document).bind("mousemove",
function(ev) {
clickable = false;
/* 计算鼠标移动了的位置 */
var _x = ev.pageX - mouse_x;
var _y = ev.pageY - mouse_y;
/* 设置移动后的元素坐标 */
var now_x = (offset_x + _x) + "px";
var now_y = (offset_y + _y) + "px";
/* 改变目标元素的位置 */
$qrcode.css({
top: now_y,
left: now_x
});
});
});
/* 当鼠标左键松开，接触事件绑定 */
$(document).bind("mouseup",
function() {
$(this).unbind("mousemove");
});
$("body").mouseup(function(e) {
$("#UndCover_Tooltip").hide();
var x = 10;
var y = 10;
var r = "";
if (document.selection) {
r = document.selection.createRange().text;
} else if (window.getSelection()) {
r = window.getSelection();
}
if (r != "") {
selection = r.toString();
$("#UndCover_Tooltip").css({
"top": (e.pageY + y) + "px",
"left": (e.pageX + x) + "px",
"position": "absolute"
}).show("fast");
$("#UndCover_Tooltip").show();
}
});
$("#UndCover_Show").click(function() {
$('#UndCover_Qrcode').empty();
$('#UndCover_Qrcode').qrcode(utf16to8(selection));
$('#UndCover_Qrcode').show();
});
$("#UndCover_Current").click(function() {
$('#UndCover_Qrcode').empty();
$('#UndCover_Qrcode').qrcode(window.location.href);
$('#UndCover_Qrcode').show();
});
$("#UndCover_Close").click(function() {
$("#UndCover_Tooltip").hide();
});
$("#UndCover_Qrcode").click(function() {
if (clickable) $("#UndCover_Qrcode").hide();
});
}
}
code.addElement();
code.eventHandle();
})();