1 | /*
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2 | Copyright (c) 2003-2010, CKSource - Frederico Knabben. All rights reserved.
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3 | For licensing, see LICENSE.html or http://ckeditor.com/license
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4 | */
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5 |
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6 | CKEDITOR.plugins.add( 'floatpanel',
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7 | {
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8 | requires : [ 'panel' ]
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9 | });
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10 |
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11 | (function()
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12 | {
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13 | var panels = {};
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14 | var isShowing = false;
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15 |
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16 | function getPanel( editor, doc, parentElement, definition, level )
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17 | {
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18 | // Generates the panel key: docId-eleId-skinName-langDir[-uiColor][-CSSs][-level]
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19 | var key =
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20 | doc.getUniqueId() +
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21 | '-' + parentElement.getUniqueId() +
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22 | '-' + editor.skinName +
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23 | '-' + editor.lang.dir +
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24 | ( ( editor.uiColor && ( '-' + editor.uiColor ) ) || '' ) +
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25 | ( ( definition.css && ( '-' + definition.css ) ) || '' ) +
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26 | ( ( level && ( '-' + level ) ) || '' );
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27 |
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28 | var panel = panels[ key ];
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29 |
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30 | if ( !panel )
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31 | {
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32 | panel = panels[ key ] = new CKEDITOR.ui.panel( doc, definition );
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33 | panel.element = parentElement.append( CKEDITOR.dom.element.createFromHtml( panel.renderHtml( editor ), doc ) );
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34 |
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35 | panel.element.setStyles(
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36 | {
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37 | display : 'none',
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38 | position : 'absolute'
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39 | });
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40 | }
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41 |
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42 | return panel;
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43 | }
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44 |
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45 | CKEDITOR.ui.floatPanel = CKEDITOR.tools.createClass(
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46 | {
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47 | $ : function( editor, parentElement, definition, level )
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48 | {
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49 | definition.forceIFrame = true;
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50 |
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51 | var doc = parentElement.getDocument(),
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52 | panel = getPanel( editor, doc, parentElement, definition, level || 0 ),
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53 | element = panel.element,
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54 | iframe = element.getFirst().getFirst();
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55 |
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56 | this.element = element;
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57 |
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58 | this._ =
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59 | {
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60 | // The panel that will be floating.
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61 | panel : panel,
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62 | parentElement : parentElement,
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63 | definition : definition,
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64 | document : doc,
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65 | iframe : iframe,
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66 | children : [],
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67 | dir : editor.lang.dir
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68 | };
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69 | },
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70 |
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71 | proto :
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72 | {
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73 | addBlock : function( name, block )
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74 | {
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75 | return this._.panel.addBlock( name, block );
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76 | },
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77 |
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78 | addListBlock : function( name, multiSelect )
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79 | {
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80 | return this._.panel.addListBlock( name, multiSelect );
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81 | },
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82 |
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83 | getBlock : function( name )
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84 | {
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85 | return this._.panel.getBlock( name );
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86 | },
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87 |
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88 | /*
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89 | corner (LTR):
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90 | 1 = top-left
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91 | 2 = top-right
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92 | 3 = bottom-right
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93 | 4 = bottom-left
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94 |
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95 | corner (RTL):
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96 | 1 = top-right
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97 | 2 = top-left
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98 | 3 = bottom-left
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99 | 4 = bottom-right
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100 | */
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101 | showBlock : function( name, offsetParent, corner, offsetX, offsetY )
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102 | {
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103 | var panel = this._.panel,
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104 | block = panel.showBlock( name );
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105 |
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106 | this.allowBlur( false );
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107 | isShowing = true;
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108 |
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109 | var element = this.element,
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110 | iframe = this._.iframe,
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111 | definition = this._.definition,
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112 | position = offsetParent.getDocumentPosition( element.getDocument() ),
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113 | rtl = this._.dir == 'rtl';
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114 |
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115 | var left = position.x + ( offsetX || 0 ),
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116 | top = position.y + ( offsetY || 0 );
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117 |
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118 | // Floating panels are off by (-1px, 0px) in RTL mode. (#3438)
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119 | if ( rtl && ( corner == 1 || corner == 4 ) )
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120 | left += offsetParent.$.offsetWidth;
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121 | else if ( !rtl && ( corner == 2 || corner == 3 ) )
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122 | left += offsetParent.$.offsetWidth - 1;
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123 |
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124 | if ( corner == 3 || corner == 4 )
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125 | top += offsetParent.$.offsetHeight - 1;
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126 |
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127 | // Memorize offsetParent by it's ID.
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128 | this._.panel._.offsetParentId = offsetParent.getId();
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129 |
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130 | element.setStyles(
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131 | {
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132 | top : top + 'px',
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133 | left : '-3000px',
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134 | opacity : '0', // FF3 is ignoring "visibility"
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135 | display : ''
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136 | });
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137 |
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138 | // To allow the context menu to decrease back their width
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139 | element.getFirst().removeStyle('width');
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140 |
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141 | // Configure the IFrame blur event. Do that only once.
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142 | if ( !this._.blurSet )
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143 | {
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144 | // Non IE prefer the event into a window object.
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145 | var focused = CKEDITOR.env.ie ? iframe : new CKEDITOR.dom.window( iframe.$.contentWindow );
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146 |
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147 | // With addEventListener compatible browsers, we must
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148 | // useCapture when registering the focus/blur events to
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149 | // guarantee they will be firing in all situations. (#3068, #3222 )
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150 | CKEDITOR.event.useCapture = true;
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151 |
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152 | focused.on( 'blur', function( ev )
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153 | {
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154 | if ( !this.allowBlur() )
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155 | return;
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156 |
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157 | // As we are using capture to register the listener,
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158 | // the blur event may get fired even when focusing
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159 | // inside the window itself, so we must ensure the
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160 | // target is out of it.
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161 | var target;
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162 | if ( CKEDITOR.env.ie && !this.allowBlur()
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163 | || ( target = ev.data.getTarget() )
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164 | && target.getName && target.getName() != 'iframe' )
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165 | return;
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166 |
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167 | if ( this.visible && !this._.activeChild && !isShowing )
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168 | this.hide();
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169 | },
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170 | this );
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171 |
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172 | focused.on( 'focus', function()
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173 | {
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174 | this._.focused = true;
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175 | this.hideChild();
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176 | this.allowBlur( true );
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177 | },
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178 | this );
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179 |
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180 | CKEDITOR.event.useCapture = false;
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181 |
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182 | this._.blurSet = 1;
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183 | }
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184 |
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185 | panel.onEscape = CKEDITOR.tools.bind( function( keystroke )
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186 | {
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187 | if ( this.onEscape && this.onEscape( keystroke ) === false )
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188 | return false;
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189 | },
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190 | this );
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191 |
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192 | CKEDITOR.tools.setTimeout( function()
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193 | {
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194 | if ( rtl )
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195 | left -= element.$.offsetWidth;
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196 |
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197 | var panelLoad = CKEDITOR.tools.bind( function ()
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198 | {
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199 | var target = element.getFirst();
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200 |
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201 | if ( block.autoSize )
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202 | {
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203 | // We must adjust first the width or IE6 could include extra lines in the height computation
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204 | var widthNode = block.element.$;
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205 |
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206 | if ( CKEDITOR.env.gecko || CKEDITOR.env.opera)
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207 | widthNode = widthNode.parentNode;
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208 |
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209 | if ( CKEDITOR.env.ie)
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210 | widthNode = widthNode.document.body;
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211 |
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212 | var width = widthNode.scrollWidth;
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213 | // Account for extra height needed due to IE quirks box model bug:
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214 | // http://en.wikipedia.org/wiki/Internet_Explorer_box_model_bug
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215 | // (#3426)
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216 | if ( CKEDITOR.env.ie && CKEDITOR.env.quirks && width > 0 )
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217 | width += ( target.$.offsetWidth || 0 ) - ( target.$.clientWidth || 0 );
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218 | // A little extra at the end.
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219 | // If not present, IE6 might break into the next line, but also it looks better this way
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220 | width += 4 ;
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221 |
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222 | target.setStyle( 'width', width + 'px' );
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223 |
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224 | // IE doesn't compute the scrollWidth if a filter is applied previously
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225 | block.element.addClass( 'cke_frameLoaded' );
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226 |
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227 | var height = block.element.$.scrollHeight;
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228 |
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229 | // Account for extra height needed due to IE quirks box model bug:
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230 | // http://en.wikipedia.org/wiki/Internet_Explorer_box_model_bug
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231 | // (#3426)
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232 | if ( CKEDITOR.env.ie && CKEDITOR.env.quirks && height > 0 )
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233 | height += ( target.$.offsetHeight || 0 ) - ( target.$.clientHeight || 0 );
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234 |
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235 | target.setStyle( 'height', height + 'px' );
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236 |
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237 | // Fix IE < 8 visibility.
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238 | panel._.currentBlock.element.setStyle( 'display', 'none' ).removeStyle( 'display' );
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239 | }
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240 | else
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241 | target.removeStyle( 'height' );
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242 |
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243 | var panelElement = panel.element,
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244 | panelWindow = panelElement.getWindow(),
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245 | windowScroll = panelWindow.getScrollPosition(),
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246 | viewportSize = panelWindow.getViewPaneSize(),
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247 | panelSize =
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248 | {
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249 | 'height' : panelElement.$.offsetHeight,
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250 | 'width' : panelElement.$.offsetWidth
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251 | };
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252 |
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253 | // If the menu is horizontal off, shift it toward
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254 | // the opposite language direction.
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255 | if ( rtl ? left < 0 : left + panelSize.width > viewportSize.width + windowScroll.x )
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256 | left += ( panelSize.width * ( rtl ? 1 : -1 ) );
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257 |
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258 | // Vertical off screen is simpler.
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259 | if ( top + panelSize.height > viewportSize.height + windowScroll.y )
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260 | top -= panelSize.height;
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261 |
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262 | element.setStyles(
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263 | {
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264 | top : top + 'px',
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265 | left : left + 'px',
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266 | opacity : '1'
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267 | } );
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268 |
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269 | } , this );
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270 |
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271 | panel.isLoaded ? panelLoad() : panel.onLoad = panelLoad;
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272 |
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273 | // Set the panel frame focus, so the blur event gets fired.
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274 | CKEDITOR.tools.setTimeout( function()
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275 | {
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276 | iframe.$.contentWindow.focus();
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277 | // We need this get fired manually because of unfired focus() function.
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278 | this.allowBlur( true );
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279 | }, 0, this);
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280 | }, 0, this);
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281 | this.visible = 1;
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282 |
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283 | if ( this.onShow )
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284 | this.onShow.call( this );
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285 |
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286 | isShowing = false;
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287 | },
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288 |
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289 | hide : function()
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290 | {
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291 | if ( this.visible && ( !this.onHide || this.onHide.call( this ) !== true ) )
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292 | {
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293 | this.hideChild();
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294 | this.element.setStyle( 'display', 'none' );
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295 | this.visible = 0;
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296 | }
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297 | },
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298 |
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299 | allowBlur : function( allow ) // Prevent editor from hiding the panel. #3222.
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300 | {
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301 | var panel = this._.panel;
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302 | if ( allow != undefined )
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303 | panel.allowBlur = allow;
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304 |
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305 | return panel.allowBlur;
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306 | },
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307 |
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308 | showAsChild : function( panel, blockName, offsetParent, corner, offsetX, offsetY )
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309 | {
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310 | // Skip reshowing of child which is already visible.
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311 | if ( this._.activeChild == panel && panel._.panel._.offsetParentId == offsetParent.getId() )
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312 | return;
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313 |
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314 | this.hideChild();
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315 |
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316 | panel.onHide = CKEDITOR.tools.bind( function()
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317 | {
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318 | // Use a timeout, so we give time for this menu to get
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319 | // potentially focused.
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320 | CKEDITOR.tools.setTimeout( function()
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321 | {
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322 | if ( !this._.focused )
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323 | this.hide();
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324 | },
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325 | 0, this );
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326 | },
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327 | this );
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328 |
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329 | this._.activeChild = panel;
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330 | this._.focused = false;
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331 |
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332 | panel.showBlock( blockName, offsetParent, corner, offsetX, offsetY );
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333 |
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334 | /* #3767 IE: Second level menu may not have borders */
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335 | if ( CKEDITOR.env.ie7Compat || ( CKEDITOR.env.ie8 && CKEDITOR.env.ie6Compat ) )
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336 | {
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337 | setTimeout(function()
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338 | {
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339 | panel.element.getChild( 0 ).$.style.cssText += '';
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340 | }, 100);
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341 | }
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342 | },
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343 |
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344 | hideChild : function()
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345 | {
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346 | var activeChild = this._.activeChild;
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347 |
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348 | if ( activeChild )
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349 | {
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350 | delete activeChild.onHide;
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351 | delete this._.activeChild;
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352 | activeChild.hide();
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353 | }
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354 | }
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355 | }
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356 | });
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357 |
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358 | CKEDITOR.on( 'instanceDestroyed', function()
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359 | {
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360 | var isLastInstance = CKEDITOR.tools.isEmpty( CKEDITOR.instances );
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361 |
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362 | for ( var i in panels )
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363 | if ( ! ( i in Object.prototype ) )
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364 | {
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365 | var panel = panels[ i ];
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366 | // Safe to destroy it since there're no more instances.(#4241)
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367 | if ( isLastInstance )
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368 | panel.destroy();
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369 | // Panel might be used by other instances, just hide them.(#4552)
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370 | else
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371 | panel.element.hide();
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372 | }
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373 | // Remove the registration.
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374 | isLastInstance && ( panels = {} );
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375 |
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376 | } );
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377 | })();
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