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Documentation/Source/eric4.Graphics.GraphicsUtilities.html
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| 1 <?xml version="1.0" encoding="utf-8"?> | |
| 2 <!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Strict//EN' | |
| 3 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd'> | |
| 4 <html><head> | |
| 5 <title>eric4.Graphics.GraphicsUtilities</title> | |
| 6 <style> | |
| 7 body { | |
| 8 background:white; | |
| 9 margin: 0em 1em 10em 1em; | |
| 10 color: black; | |
| 11 } | |
| 12 | |
| 13 h1 { color: white; background: #4FA4FF; } | |
| 14 h2 { color: white; background: #4FA4FF; } | |
| 15 h3 { color: white; background: #00557F; } | |
| 16 h4 { color: white; background: #00557F; } | |
| 17 | |
| 18 a { color: #AA5500; } | |
| 19 | |
| 20 </style> | |
| 21 </head> | |
| 22 <body><a NAME="top" ID="top"></a> | |
| 23 <h1>eric4.Graphics.GraphicsUtilities</h1> | |
| 24 <p> | |
| 25 Module implementing some graphical utility functions. | |
| 26 </p> | |
| 27 <h3>Global Attributes</h3> | |
| 28 <table> | |
| 29 <tr><td>None</td></tr> | |
| 30 </table> | |
| 31 <h3>Classes</h3> | |
| 32 <table> | |
| 33 <tr> | |
| 34 <td><a href="#RecursionError">RecursionError</a></td> | |
| 35 <td>Unable to calculate result because of recursive structure.</td> | |
| 36 </tr> | |
| 37 </table> | |
| 38 <h3>Functions</h3> | |
| 39 <table> | |
| 40 <tr> | |
| 41 <td><a href="#_buildChildrenLists">_buildChildrenLists</a></td> | |
| 42 <td>Function to build up parent - child relationships.</td> | |
| 43 </tr><tr> | |
| 44 <td><a href="#sort">sort</a></td> | |
| 45 <td>Function to sort widgets topographically.</td> | |
| 46 </tr> | |
| 47 </table> | |
| 48 <hr /><hr /> | |
| 49 <a NAME="RecursionError" ID="RecursionError"></a> | |
| 50 <h2>RecursionError</h2> | |
| 51 <p> | |
| 52 Unable to calculate result because of recursive structure. | |
| 53 </p> | |
| 54 <h3>Derived from</h3> | |
| 55 OverflowError, ValueError | |
| 56 <h3>Class Attributes</h3> | |
| 57 <table> | |
| 58 <tr><td>None</td></tr> | |
| 59 </table> | |
| 60 <h3>Methods</h3> | |
| 61 <table> | |
| 62 <tr><td>None</td></tr> | |
| 63 </table> | |
| 64 | |
| 65 <div align="right"><a href="#top">Up</a></div> | |
| 66 <hr /><hr /> | |
| 67 <a NAME="_buildChildrenLists" ID="_buildChildrenLists"></a> | |
| 68 <h2>_buildChildrenLists</h2> | |
| 69 <b>_buildChildrenLists</b>(<i>routes</i>) | |
| 70 <p> | |
| 71 Function to build up parent - child relationships. | |
| 72 </p><p> | |
| 73 Taken from Boa Constructor. | |
| 74 </p><dl> | |
| 75 <dt><i>routes</i></dt> | |
| 76 <dd> | |
| 77 list of routes between nodes | |
| 78 </dd> | |
| 79 </dl><dl> | |
| 80 <dt>Returns:</dt> | |
| 81 <dd> | |
| 82 dictionary of child and dictionary of parent relationships | |
| 83 </dd> | |
| 84 </dl> | |
| 85 <div align="right"><a href="#top">Up</a></div> | |
| 86 <hr /><hr /> | |
| 87 <a NAME="sort" ID="sort"></a> | |
| 88 <h2>sort</h2> | |
| 89 <b>sort</b>(<i>nodes, routes, noRecursion = False</i>) | |
| 90 <p> | |
| 91 Function to sort widgets topographically. | |
| 92 </p><p> | |
| 93 Passed a list of nodes and a list of source, dest routes, it attempts | |
| 94 to create a list of stages, where each sub list is one stage in a process. | |
| 95 </p><p> | |
| 96 The algorithm was taken from Boa Constructor. | |
| 97 </p><dl> | |
| 98 <dt><i>nodes</i></dt> | |
| 99 <dd> | |
| 100 list of nodes to be sorted | |
| 101 </dd><dt><i>routes</i></dt> | |
| 102 <dd> | |
| 103 list of routes between the nodes | |
| 104 </dd><dt><i>noRecursion</i></dt> | |
| 105 <dd> | |
| 106 flag indicating, if recursion errors should be raised | |
| 107 </dd> | |
| 108 </dl><dl> | |
| 109 <dt>Returns:</dt> | |
| 110 <dd> | |
| 111 list of stages | |
| 112 </dd> | |
| 113 </dl><dl> | |
| 114 <dt>Raises <b>RecursionError</b>:</dt> | |
| 115 <dd> | |
| 116 a recursion error was detected | |
| 117 </dd> | |
| 118 </dl> | |
| 119 <div align="right"><a href="#top">Up</a></div> | |
| 120 <hr /> | |
| 121 </body></html> |
