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<h1>AppKit/Platform/DOM/CPPlatformString.j</h1><a href="_d_o_m_2_c_p_platform_string_8j.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * CPPlatformString.j</span>
<a name="l00003"></a>00003 <span class="comment"> * AppKit</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Created by Francisco Tolmasky.</span>
<a name="l00006"></a>00006 <span class="comment"> * Copyright 2010, 280 North, Inc.</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00009"></a>00009 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00010"></a>00010 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00011"></a>00011 <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00016"></a>00016 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00017"></a>00017 <span class="comment"> *</span>
<a name="l00018"></a>00018 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00019"></a>00019 <span class="comment"> * License along with this library; if not, write to the Free Software</span>
<a name="l00020"></a>00020 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022 
<a name="l00023"></a>00023 <span class="preprocessor">#include &quot;../CoreGraphics/CGGeometry.h&quot;</span>
<a name="l00024"></a>00024 
<a name="l00025"></a><a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a069f2c7edb59c9528cff79a4449ff3c3">00025</a> var <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a069f2c7edb59c9528cff79a4449ff3c3">DOMFixedWidthSpanElement</a>    = nil,
<a name="l00026"></a><a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#ae5c185702dd2514996a2c69627842a87">00026</a>     <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#ae5c185702dd2514996a2c69627842a87">DOMFlexibleWidthSpanElement</a> = nil,
<a name="l00027"></a><a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a3a323faae2a45805a46a69872b34b034">00027</a>     <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a3a323faae2a45805a46a69872b34b034">DOMIFrameElement</a>            = nil,
<a name="l00028"></a><a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a626d569f0d04eab2d15509e7cefdf98b">00028</a>     <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a626d569f0d04eab2d15509e7cefdf98b">DefaultFont</a>                 = nil;
<a name="l00029"></a>00029 
<a name="l00030"></a>00030 <span class="keyword">@implementation </span><a class="code" href="class_c_p_platform_string.html">CPPlatformString</a> : <a class="code" href="class_c_p_base_platform_string.html">CPBasePlatformString</a>
<a name="l00031"></a>00031 {
<a name="l00032"></a>00032 }
<a name="l00033"></a>00033 
<a name="l00034"></a>00034 + (void)bootstrap
<a name="l00035"></a>00035 {
<a name="l00036"></a>00036     [<span class="keyword">self</span> createDOMElements];
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038 
<a name="l00039"></a><a class="code" href="class_c_p_platform_string.html#a61e34a61c7a3773a638bf86c76de8e58">00039</a> + (void)createDOMElements
<a name="l00040"></a>00040 {
<a name="l00041"></a>00041     var style;
<a name="l00042"></a>00042 
<a name="l00043"></a>00043     <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a3a323faae2a45805a46a69872b34b034">DOMIFrameElement</a> = document.createElement(<span class="stringliteral">&quot;iframe&quot;</span>);
<a name="l00044"></a>00044     <span class="comment">// necessary for Safari caching bug:</span>
<a name="l00045"></a>00045     <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a3a323faae2a45805a46a69872b34b034">DOMIFrameElement</a>.name = <span class="stringliteral">&quot;iframe_&quot;</span> + FLOOR(RAND() * 10000);
<a name="l00046"></a>00046     <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a3a323faae2a45805a46a69872b34b034">DOMIFrameElement</a>.className = <span class="stringliteral">&quot;cpdontremove&quot;</span>;
<a name="l00047"></a>00047 
<a name="l00048"></a>00048     style = <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a3a323faae2a45805a46a69872b34b034">DOMIFrameElement</a>.style;
<a name="l00049"></a>00049     style.position = <span class="stringliteral">&quot;absolute&quot;</span>;
<a name="l00050"></a>00050     style.left = <span class="stringliteral">&quot;-100px&quot;</span>;
<a name="l00051"></a>00051     style.top = <span class="stringliteral">&quot;-100px&quot;</span>;
<a name="l00052"></a>00052     style.width = <span class="stringliteral">&quot;1px&quot;</span>;
<a name="l00053"></a>00053     style.height = <span class="stringliteral">&quot;1px&quot;</span>;
<a name="l00054"></a>00054     style.borderWidth = <span class="stringliteral">&quot;0px&quot;</span>;
<a name="l00055"></a>00055     style.overflow = <span class="stringliteral">&quot;hidden&quot;</span>;
<a name="l00056"></a>00056     style.zIndex = 100000000000;
<a name="l00057"></a>00057 
<a name="l00058"></a>00058     var bodyElement = [<a class="code" href="class_c_p_platform.html">CPPlatform</a> <a class="code" href="class_c_p_platform.html#a925b0b0c6b3e35f3340d82f994944360">mainBodyElement</a>];
<a name="l00059"></a>00059 
<a name="l00060"></a>00060     bodyElement.appendChild(<a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a3a323faae2a45805a46a69872b34b034">DOMIFrameElement</a>);
<a name="l00061"></a>00061 
<a name="l00062"></a>00062     var DOMIFrameDocument = (<a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a3a323faae2a45805a46a69872b34b034">DOMIFrameElement</a>.contentDocument || <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a3a323faae2a45805a46a69872b34b034">DOMIFrameElement</a>.contentWindow.document);
<a name="l00063"></a>00063     DOMIFrameDocument.write(<span class="stringliteral">&apos;&lt;!DOCTYPE html PUBLIC &quot;-//W3C//DTD XHTML 1.0 Strict//EN&quot; &quot;http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd&quot;&gt;&apos;</span>+
<a name="l00064"></a>00064                             <span class="stringliteral">&apos;&lt;html xmlns=&quot;http://www.w3.org/1999/xhtml&quot; xml:lang=&quot;en&quot; lang=&quot;en&quot;&gt;&lt;head&gt;&lt;/head&gt;&lt;body&gt;&lt;/body&gt;&lt;/html&gt;&apos;</span>);
<a name="l00065"></a>00065     DOMIFrameDocument.close();
<a name="l00066"></a>00066 
<a name="l00067"></a>00067     <span class="comment">// IE needs this wide &lt;div&gt; to prevent unwanted text wrapping:</span>
<a name="l00068"></a>00068     var DOMDivElement = DOMIFrameDocument.createElement(<span class="stringliteral">&quot;div&quot;</span>);
<a name="l00069"></a>00069     DOMDivElement.style.position = <span class="stringliteral">&quot;absolute&quot;</span>;
<a name="l00070"></a>00070     DOMDivElement.style.width = <span class="stringliteral">&quot;100000px&quot;</span>;
<a name="l00071"></a>00071 
<a name="l00072"></a>00072     DOMIFrameDocument.body.appendChild(DOMDivElement);
<a name="l00073"></a>00073 
<a name="l00074"></a>00074     <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#ae5c185702dd2514996a2c69627842a87">DOMFlexibleWidthSpanElement</a> = DOMIFrameDocument.createElement(<span class="stringliteral">&quot;span&quot;</span>);
<a name="l00075"></a>00075     style = <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#ae5c185702dd2514996a2c69627842a87">DOMFlexibleWidthSpanElement</a>.style;
<a name="l00076"></a>00076     style.position = <span class="stringliteral">&quot;absolute&quot;</span>;
<a name="l00077"></a>00077     style.visibility = <span class="stringliteral">&quot;visible&quot;</span>;
<a name="l00078"></a>00078     style.padding = <span class="stringliteral">&quot;0px&quot;</span>;
<a name="l00079"></a>00079     style.margin = <span class="stringliteral">&quot;0px&quot;</span>;
<a name="l00080"></a>00080     style.whiteSpace = <span class="stringliteral">&quot;pre&quot;</span>;
<a name="l00081"></a>00081 
<a name="l00082"></a>00082     <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a069f2c7edb59c9528cff79a4449ff3c3">DOMFixedWidthSpanElement</a> = DOMIFrameDocument.createElement(<span class="stringliteral">&quot;span&quot;</span>);
<a name="l00083"></a>00083     style = <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a069f2c7edb59c9528cff79a4449ff3c3">DOMFixedWidthSpanElement</a>.style;
<a name="l00084"></a>00084     style.display = <span class="stringliteral">&quot;block&quot;</span>;
<a name="l00085"></a>00085     style.position = <span class="stringliteral">&quot;absolute&quot;</span>;
<a name="l00086"></a>00086     style.visibility = <span class="stringliteral">&quot;visible&quot;</span>;
<a name="l00087"></a>00087     style.padding = <span class="stringliteral">&quot;0px&quot;</span>;
<a name="l00088"></a>00088     style.margin = <span class="stringliteral">&quot;0px&quot;</span>;
<a name="l00089"></a>00089     style.width = <span class="stringliteral">&quot;1px&quot;</span>;
<a name="l00090"></a>00090     style.wordWrap = <span class="stringliteral">&quot;break-word&quot;</span>;
<a name="l00091"></a>00091     <span class="keywordflow">try</span>
<a name="l00092"></a>00092     {
<a name="l00093"></a>00093         style.whiteSpace = <span class="stringliteral">&quot;pre&quot;</span>;
<a name="l00094"></a>00094         style.whiteSpace = <span class="stringliteral">&quot;-o-pre-wrap&quot;</span>;
<a name="l00095"></a>00095         style.whiteSpace = <span class="stringliteral">&quot;-pre-wrap&quot;</span>;
<a name="l00096"></a>00096         style.whiteSpace = <span class="stringliteral">&quot;-moz-pre-wrap&quot;</span>;
<a name="l00097"></a>00097         style.whiteSpace = <span class="stringliteral">&quot;pre-wrap&quot;</span>;
<a name="l00098"></a>00098     }
<a name="l00099"></a>00099     <span class="keywordflow">catch</span>(e)
<a name="l00100"></a>00100     {
<a name="l00101"></a>00101         <span class="comment">//some versions of IE throw exceptions for unsupported properties.</span>
<a name="l00102"></a>00102         style.whiteSpace = <span class="stringliteral">&quot;pre&quot;</span>;
<a name="l00103"></a>00103     }
<a name="l00104"></a>00104 
<a name="l00105"></a>00105     DOMDivElement.appendChild(<a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#ae5c185702dd2514996a2c69627842a87">DOMFlexibleWidthSpanElement</a>);
<a name="l00106"></a>00106     DOMDivElement.appendChild(<a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a069f2c7edb59c9528cff79a4449ff3c3">DOMFixedWidthSpanElement</a>);
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108 
<a name="l00109"></a><a class="code" href="class_c_p_platform_string.html#a8cac91a4f670a30e79feee6b809a47e2">00109</a> + (CGSize)sizeOfString:(<a class="code" href="class_c_p_string.html" title="An immutable string (collection of characters).">CPString</a>)aString withFont:(<a class="code" href="class_c_p_font.html">CPFont</a>)aFont forWidth:(<span class="keywordtype">float</span>)aWidth
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111     <span class="keywordflow">if</span> (!aFont)
<a name="l00112"></a>00112     {
<a name="l00113"></a>00113         <span class="keywordflow">if</span> (!<a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a626d569f0d04eab2d15509e7cefdf98b">DefaultFont</a>)
<a name="l00114"></a>00114             <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a626d569f0d04eab2d15509e7cefdf98b">DefaultFont</a> = [<a class="code" href="class_c_p_font.html">CPFont</a> <a class="code" href="class_c_p_font.html#acc46c8f9ff7da14a2cf974d048ce80bd">systemFontOfSize</a>:12.0];
<a name="l00115"></a>00115 
<a name="l00116"></a>00116         aFont = <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a626d569f0d04eab2d15509e7cefdf98b">DefaultFont</a>;
<a name="l00117"></a>00117     }
<a name="l00118"></a>00118 
<a name="l00119"></a>00119     <span class="keywordflow">if</span> (!<a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a3a323faae2a45805a46a69872b34b034">DOMIFrameElement</a>)
<a name="l00120"></a>00120         [<span class="keyword">self</span> <a class="code" href="class_c_p_platform_string.html#a61e34a61c7a3773a638bf86c76de8e58">createDOMElements</a>];
<a name="l00121"></a>00121 
<a name="l00122"></a>00122     var span;
<a name="l00123"></a>00123     <span class="keywordflow">if</span> (!aWidth)
<a name="l00124"></a>00124         span = <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#ae5c185702dd2514996a2c69627842a87">DOMFlexibleWidthSpanElement</a>;
<a name="l00125"></a>00125     <span class="keywordflow">else</span>
<a name="l00126"></a>00126     {
<a name="l00127"></a>00127         span = <a class="code" href="_d_o_m_2_c_p_platform_string_8j.html#a069f2c7edb59c9528cff79a4449ff3c3">DOMFixedWidthSpanElement</a>;
<a name="l00128"></a>00128         span.style.width = ROUND(aWidth) + <span class="stringliteral">&quot;px&quot;</span>;
<a name="l00129"></a>00129     }
<a name="l00130"></a>00130 
<a name="l00131"></a>00131     span.style.font = [aFont <a class="code" href="class_c_p_font.html#ade1d8ffe91cab2427fdd35472a58795d">cssString</a>];
<a name="l00132"></a>00132 
<a name="l00133"></a>00133     <span class="keywordflow">if</span> (<a class="code" href="_c_p_compatibility_8j.html#a1fbfe7ca6b2cef354ecfe78f6cfd6659">CPFeatureIsCompatible</a>(<a class="code" href="_c_p_compatibility_8j.html#a088e81a8a61b349e338faa9c3176e77f">CPJavascriptInnerTextFeature</a>))
<a name="l00134"></a>00134         span.innerText = aString;
<a name="l00135"></a>00135     <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<a class="code" href="_c_p_compatibility_8j.html#a1fbfe7ca6b2cef354ecfe78f6cfd6659">CPFeatureIsCompatible</a>(<a class="code" href="_c_p_compatibility_8j.html#af7dd9243b992a0dbab439a355ba2b0e5">CPJavascriptTextContentFeature</a>))
<a name="l00136"></a>00136         span.textContent = aString;
<a name="l00137"></a>00137 
<a name="l00138"></a>00138     <span class="keywordflow">return</span> _CGSizeMake(span.clientWidth, span.clientHeight);
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140 
<a name="l00141"></a>00141 <span class="keyword">@end</span>
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