tuto4.htm 9.9 KB

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  1. <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
  2. <html>
  3. <head>
  4. <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
  5. <title>Multi-colonnes</title>
  6. <link type="text/css" rel="stylesheet" href="../fpdf.css">
  7. </head>
  8. <body>
  9. <h1>Multi-colonnes</h1>
  10. Cet exemple est une variation du précédent montrant comment formater le texte sur plusieurs
  11. colonnes.
  12. <div class="source">
  13. <pre><code>&lt;?php
  14. <span class="kw">require(</span><span class="str">'fpdf.php'</span><span class="kw">);
  15. class </span>PDF <span class="kw">extends </span>FPDF
  16. <span class="kw">{
  17. </span><span class="cmt">//Colonne courante
  18. </span><span class="kw">var </span>$col<span class="kw">=</span>0<span class="kw">;
  19. </span><span class="cmt">//Ordonnée du début des colonnes
  20. </span><span class="kw">var </span>$y0<span class="kw">;
  21. function </span>Header<span class="kw">()
  22. {
  23. </span><span class="cmt">//En-tête
  24. </span><span class="kw">global </span>$titre<span class="kw">;
  25. </span>$<span class="kw">this-&gt;</span>SetFont<span class="kw">(</span><span class="str">'Arial'</span><span class="kw">,</span><span class="str">'B'</span><span class="kw">,</span>15<span class="kw">);
  26. </span>$w<span class="kw">=</span>$<span class="kw">this-&gt;</span>GetStringWidth<span class="kw">(</span>$titre<span class="kw">)+</span>6<span class="kw">;
  27. </span>$<span class="kw">this-&gt;</span>SetX<span class="kw">((</span>210<span class="kw">-</span>$w<span class="kw">)/</span>2<span class="kw">);
  28. </span>$<span class="kw">this-&gt;</span>SetDrawColor<span class="kw">(</span>0<span class="kw">,</span>80<span class="kw">,</span>180<span class="kw">);
  29. </span>$<span class="kw">this-&gt;</span>SetFillColor<span class="kw">(</span>230<span class="kw">,</span>230<span class="kw">,</span>0<span class="kw">);
  30. </span>$<span class="kw">this-&gt;</span>SetTextColor<span class="kw">(</span>220<span class="kw">,</span>50<span class="kw">,</span>50<span class="kw">);
  31. </span>$<span class="kw">this-&gt;</span>SetLineWidth<span class="kw">(</span>1<span class="kw">);
  32. </span>$<span class="kw">this-&gt;</span>Cell<span class="kw">(</span>$w<span class="kw">,</span>9<span class="kw">,</span>$titre<span class="kw">,</span>1<span class="kw">,</span>1<span class="kw">,</span><span class="str">'C'</span><span class="kw">,</span>true<span class="kw">);
  33. </span>$<span class="kw">this-&gt;</span>Ln<span class="kw">(</span>10<span class="kw">);
  34. </span><span class="cmt">//Sauvegarde de l'ordonnée
  35. </span>$<span class="kw">this-&gt;</span>y0<span class="kw">=</span>$<span class="kw">this-&gt;</span>GetY<span class="kw">();
  36. }
  37. function </span>Footer<span class="kw">()
  38. {
  39. </span><span class="cmt">//Pied de page
  40. </span>$<span class="kw">this-&gt;</span>SetY<span class="kw">(-</span>15<span class="kw">);
  41. </span>$<span class="kw">this-&gt;</span>SetFont<span class="kw">(</span><span class="str">'Arial'</span><span class="kw">,</span><span class="str">'I'</span><span class="kw">,</span>8<span class="kw">);
  42. </span>$<span class="kw">this-&gt;</span>SetTextColor<span class="kw">(</span>128<span class="kw">);
  43. </span>$<span class="kw">this-&gt;</span>Cell<span class="kw">(</span>0<span class="kw">,</span>10<span class="kw">,</span><span class="str">'Page '</span><span class="kw">.</span>$<span class="kw">this-&gt;</span>PageNo<span class="kw">(),</span>0<span class="kw">,</span>0<span class="kw">,</span><span class="str">'C'</span><span class="kw">);
  44. }
  45. function </span>SetCol<span class="kw">(</span>$col<span class="kw">)
  46. {
  47. </span><span class="cmt">//Positionnement sur une colonne
  48. </span>$<span class="kw">this-&gt;</span>col<span class="kw">=</span>$col<span class="kw">;
  49. </span>$x<span class="kw">=</span>10<span class="kw">+</span>$col<span class="kw">*</span>65<span class="kw">;
  50. </span>$<span class="kw">this-&gt;</span>SetLeftMargin<span class="kw">(</span>$x<span class="kw">);
  51. </span>$<span class="kw">this-&gt;</span>SetX<span class="kw">(</span>$x<span class="kw">);
  52. }
  53. function </span>AcceptPageBreak<span class="kw">()
  54. {
  55. </span><span class="cmt">//Méthode autorisant ou non le saut de page automatique
  56. </span><span class="kw">if(</span>$<span class="kw">this-&gt;</span>col<span class="kw">&lt;</span>2<span class="kw">)
  57. {
  58. </span><span class="cmt">//Passage à la colonne suivante
  59. </span>$<span class="kw">this-&gt;</span>SetCol<span class="kw">(</span>$<span class="kw">this-&gt;</span>col<span class="kw">+</span>1<span class="kw">);
  60. </span><span class="cmt">//Ordonnée en haut
  61. </span>$<span class="kw">this-&gt;</span>SetY<span class="kw">(</span>$<span class="kw">this-&gt;</span>y0<span class="kw">);
  62. </span><span class="cmt">//On reste sur la page
  63. </span><span class="kw">return </span>false<span class="kw">;
  64. }
  65. else
  66. {
  67. </span><span class="cmt">//Retour en première colonne
  68. </span>$<span class="kw">this-&gt;</span>SetCol<span class="kw">(</span>0<span class="kw">);
  69. </span><span class="cmt">//Saut de page
  70. </span><span class="kw">return </span>true<span class="kw">;
  71. }
  72. }
  73. function </span>TitreChapitre<span class="kw">(</span>$num<span class="kw">,</span>$lib<span class="kw">)
  74. {
  75. </span><span class="cmt">//Titre
  76. </span>$<span class="kw">this-&gt;</span>SetFont<span class="kw">(</span><span class="str">'Arial'</span><span class="kw">,</span><span class="str">''</span><span class="kw">,</span>12<span class="kw">);
  77. </span>$<span class="kw">this-&gt;</span>SetFillColor<span class="kw">(</span>200<span class="kw">,</span>220<span class="kw">,</span>255<span class="kw">);
  78. </span>$<span class="kw">this-&gt;</span>Cell<span class="kw">(</span>0<span class="kw">,</span>6<span class="kw">,</span><span class="str">"Chapitre $num : $lib"</span><span class="kw">,</span>0<span class="kw">,</span>1<span class="kw">,</span><span class="str">'L'</span><span class="kw">,</span>true<span class="kw">);
  79. </span>$<span class="kw">this-&gt;</span>Ln<span class="kw">(</span>4<span class="kw">);
  80. </span><span class="cmt">//Sauvegarde de l'ordonnée
  81. </span>$<span class="kw">this-&gt;</span>y0<span class="kw">=</span>$<span class="kw">this-&gt;</span>GetY<span class="kw">();
  82. }
  83. function </span>CorpsChapitre<span class="kw">(</span>$fichier<span class="kw">)
  84. {
  85. </span><span class="cmt">//Lecture du fichier texte
  86. </span>$f<span class="kw">=</span>fopen<span class="kw">(</span>$fichier<span class="kw">,</span><span class="str">'r'</span><span class="kw">);
  87. </span>$txt<span class="kw">=</span>fread<span class="kw">(</span>$f<span class="kw">,</span>filesize<span class="kw">(</span>$fichier<span class="kw">));
  88. </span>fclose<span class="kw">(</span>$f<span class="kw">);
  89. </span><span class="cmt">//Police
  90. </span>$<span class="kw">this-&gt;</span>SetFont<span class="kw">(</span><span class="str">'Times'</span><span class="kw">,</span><span class="str">''</span><span class="kw">,</span>12<span class="kw">);
  91. </span><span class="cmt">//Sortie du texte sur 6 cm de largeur
  92. </span>$<span class="kw">this-&gt;</span>MultiCell<span class="kw">(</span>60<span class="kw">,</span>5<span class="kw">,</span>$txt<span class="kw">);
  93. </span>$<span class="kw">this-&gt;</span>Ln<span class="kw">();
  94. </span><span class="cmt">//Mention
  95. </span>$<span class="kw">this-&gt;</span>SetFont<span class="kw">(</span><span class="str">''</span><span class="kw">,</span><span class="str">'I'</span><span class="kw">);
  96. </span>$<span class="kw">this-&gt;</span>Cell<span class="kw">(</span>0<span class="kw">,</span>5<span class="kw">,</span><span class="str">'(fin de l\'extrait)'</span><span class="kw">);
  97. </span><span class="cmt">//Retour en première colonne
  98. </span>$<span class="kw">this-&gt;</span>SetCol<span class="kw">(</span>0<span class="kw">);
  99. }
  100. function </span>AjouterChapitre<span class="kw">(</span>$num<span class="kw">,</span>$titre<span class="kw">,</span>$fichier<span class="kw">)
  101. {
  102. </span><span class="cmt">//Ajout du chapitre
  103. </span>$<span class="kw">this-&gt;</span>AddPage<span class="kw">();
  104. </span>$<span class="kw">this-&gt;</span>TitreChapitre<span class="kw">(</span>$num<span class="kw">,</span>$titre<span class="kw">);
  105. </span>$<span class="kw">this-&gt;</span>CorpsChapitre<span class="kw">(</span>$fichier<span class="kw">);
  106. }
  107. }
  108. </span>$pdf<span class="kw">=new </span>PDF<span class="kw">();
  109. </span>$titre<span class="kw">=</span><span class="str">'Vingt mille lieues sous les mers'</span><span class="kw">;
  110. </span>$pdf<span class="kw">-&gt;</span>SetTitle<span class="kw">(</span>$titre<span class="kw">);
  111. </span>$pdf<span class="kw">-&gt;</span>SetAuthor<span class="kw">(</span><span class="str">'Jules Verne'</span><span class="kw">);
  112. </span>$pdf<span class="kw">-&gt;</span>AjouterChapitre<span class="kw">(</span>1<span class="kw">,</span><span class="str">'UN ÉCUEIL FUYANT'</span><span class="kw">,</span><span class="str">'20k_c1.txt'</span><span class="kw">);
  113. </span>$pdf<span class="kw">-&gt;</span>AjouterChapitre<span class="kw">(</span>2<span class="kw">,</span><span class="str">'LE POUR ET LE CONTRE'</span><span class="kw">,</span><span class="str">'20k_c2.txt'</span><span class="kw">);
  114. </span>$pdf<span class="kw">-&gt;</span>Output<span class="kw">();
  115. </span>?&gt;</code></pre>
  116. </div>
  117. <p class='demo'><a href='tuto4.php' target='_blank' class='demo'>[Démo]</a></p>
  118. La méthode-clé utilisée est <a href='../doc/acceptpagebreak.htm'>AcceptPageBreak()</a>. Elle permet d'accepter ou non un saut de
  119. page automatique. En refusant le saut et en modifiant la marge gauche (par <a href='../doc/setleftmargin.htm'>SetLeftMargin()</a>),
  120. on obtient le formatage en colonnes.
  121. <br>
  122. Pour le reste, peu de changements ; deux propriétés ont été ajoutées à la classe pour mémoriser
  123. le numéro de colonne courant ainsi que l'ordonnée du début des colonnes, et l'appel à MultiCell()
  124. spécifie que le texte a 6 cm de largeur.
  125. </body>
  126. </html>