[3977] | 1 | /* |
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| 2 | * Lert v1.0 |
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| 3 | * by Jeffrey Sambells - http://JeffreySambells.com |
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| 4 | * For more information on this script, visit http://JeffreySambells.com/openprojects/lert/ |
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| 5 | * Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/ |
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| 6 | * Icons from Tango Desktop Project http://tango.freedesktop.org/Tango_Desktop_Project |
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| 7 | */ |
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| 8 | function Lert(title, message, buttons, options) { |
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| 9 | this.title_ = title; |
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| 10 | this.message_ = message; |
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| 11 | this.buttons_ = buttons; |
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| 12 | this.defaultButton_ = options.defaultButton || this.buttons_[0]; |
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| 13 | this.icon_ = options.icon || null; |
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| 14 | } |
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| 15 | |
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| 16 | Lert.prototype.display = function() { |
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| 17 | var body = document.getElementsByTagName ('BODY')[0]; |
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| 18 | //create the overlay if necessary |
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| 19 | var overlay = document.getElementById('lertOverlay'); |
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| 20 | if(!overlay) { |
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| 21 | var overlay = document.createElement("div"); |
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| 22 | overlay.setAttribute('id','lertOverlay'); |
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| 23 | overlay.style.display = 'none'; |
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| 24 | body.appendChild(overlay); |
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| 25 | } |
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| 26 | |
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| 27 | //position and show the overlay |
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| 28 | overlay.style.height='100%'; |
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| 29 | overlay.style.display='block'; |
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| 30 | |
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| 31 | //create the container if necessary |
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| 32 | var container = document.getElementById('lertContainer'); |
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| 33 | if(!container) { |
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| 34 | var container = document.createElement("div"); |
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| 35 | container.setAttribute('id','lertContainer'); |
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| 36 | container.style.display = 'none'; |
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| 37 | body.appendChild(container); |
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| 38 | } |
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| 39 | |
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| 40 | //position and show the container |
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| 41 | container.style.top = '35%'; |
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| 42 | container.style.display = 'block'; |
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| 43 | |
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| 44 | //create the window |
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| 45 | var win = document.createElement('div'); |
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| 46 | win.setAttribute('id','lertWindow'); |
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| 47 | |
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| 48 | var topBorder = document.createElement('div'); |
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| 49 | topBorder.setAttribute('id','topBorder'); |
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| 50 | topBorder.innerHTML = this.title_; |
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| 51 | var iconClose = document.createElement('img'); |
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| 52 | iconClose.setAttribute('src', 'js/lert/images/close_button.gif'); |
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| 53 | iconClose.setAttribute('id','closeIcon'); |
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| 54 | iconClose.setAttribute('alt',''); |
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| 55 | iconClose.setAttribute('style','cursor: pointer;'); |
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| 56 | iconClose.setAttribute('onclick', "document.getElementById('lertOverlay').style.display='none';document.getElementById('lertContainer').style.display='none';document.getElementById('lertContainer').innerHTML = '';"); |
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| 57 | topBorder.appendChild(iconClose); |
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| 58 | win.appendChild(topBorder); |
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| 59 | //create the optional icon |
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| 60 | if(this.icon_ != null) { |
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| 61 | var icon = document.createElement('img'); |
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| 62 | icon.setAttribute('src',this.icon_); |
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| 63 | |
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| 64 | icon.setAttribute('id','lertIcon'); |
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| 65 | icon.setAttribute('alt',''); |
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| 66 | win.appendChild(icon); |
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| 67 | } |
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| 68 | |
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| 69 | //create the message space |
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| 70 | var message = document.createElement('p'); |
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| 71 | message.setAttribute('id','lertMessage'); |
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| 72 | message.innerHTML = this.message_; |
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| 73 | win.appendChild(message); |
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| 74 | |
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| 75 | //create the button space |
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| 76 | var buttons = document.createElement('div'); |
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| 77 | buttons.setAttribute('id','lertButtons'); |
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| 78 | |
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| 79 | var oldKeyDown = document.onkeydown; |
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| 80 | |
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| 81 | //add each button |
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| 82 | for(i in this.buttons_) { |
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| 83 | var button = this.buttons_[i]; |
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| 84 | if(button.getDom) { |
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| 85 | var domButton = button.getDom(function() { |
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| 86 | container.style.display = 'none'; |
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| 87 | overlay.style.display = 'none'; |
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| 88 | document.onkeydown=oldKeyDown; |
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| 89 | container.innerHTML = ''; |
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| 90 | button.onclick_; |
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| 91 | },this.defaultButton_); |
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| 92 | buttons.appendChild(domButton); |
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| 93 | } |
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| 94 | } |
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| 95 | win.appendChild(buttons); |
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| 96 | |
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| 97 | document.onkeydown = this.keyboardControls; |
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| 98 | |
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| 99 | //append the window |
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| 100 | container.appendChild(win); |
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| 101 | |
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| 102 | } |
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| 103 | |
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| 104 | Lert.prototype.keyboardControls = function(e) { |
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| 105 | if (e == null) { keycode = event.keyCode; } // ie |
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| 106 | else { keycode = e.which; } // mozilla |
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| 107 | if(keycode==13){ |
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| 108 | document.getElementById('lertDefaultButton').onclick(); |
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| 109 | } |
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| 110 | } |
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| 111 | |
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| 112 | function LertButton(label, event, options) { |
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| 113 | this.label_ = label; |
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| 114 | this.onclick_ = event; |
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| 115 | this.eventClick = function() {}; |
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| 116 | } |
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| 117 | |
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| 118 | LertButton.prototype.getDom = function(eventCleanup,defaultButton) { |
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| 119 | var button = document.createElement('a'); |
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| 120 | //button.setAttribute('href','javascript:void(0);'); |
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| 121 | button.className = 'lertButton'; |
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| 122 | if(this == defaultButton) button.setAttribute('id','lertDefaultButton'); |
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| 123 | button.innerHTML = this.label_; |
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| 124 | |
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| 125 | var eventOnclick = this.onclick_; |
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| 126 | button.onclick = function() { |
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| 127 | eventCleanup(); |
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| 128 | eventOnclick(); |
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| 129 | } |
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| 130 | this.eventClick = button.onclick; |
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| 131 | return button; |
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| 132 | } |
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