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changeproperty.js
Package: Javascript工作流图形界面.rar　[view]
Upload User: yfdli66
Upload Date: 2010-02-20
Package Size: 47k
Code Size: 4k
Category:

JavaScript

Development Platform:

JavaScript

changeproperty.js：Code Content
  1. /*------------------------------------------------------------------------------
  2. +                        属性的改变                             +
  3. +                                                        +
  4. +                           +
  5. -------------------------------------------------------------------------------*/
  7. //改变属性策略角色接口
  8. function ChangePropertyStrategy (aSObj) {
  9. //interface
  10. this.sObj = aSObj;         //当前所选控件
  11. this.change = change;
  12. function change () {
  13. }
  14. }
  15. //改变 name
  16. function ChangeNameSty (aSObj) {
  17. //inhert
  18.      this.base=ChangePropertyStrategy;
  19.         this.base(aSObj);
  20. //property
  21. this.inputValue;
  22. //override
  23. this.change = change;
  24. function change () {
  26. this.sObj.lastChild.innerText = this.inputValue;
  27. }
  28. }
  29. //改变 left
  30. function ChangeLeftSty (aSObj) {
  31. //inhert
  32.      this.base=ChangePropertyStrategy;
  33.         this.base(aSObj);
  34. //property
  35. this.inputValue;
  36. this.canvasObj;
  37. //override
  38. this.change = change;
  39. function change () {
  40. var myLeft = this.inputValue;
  41. this.sObj.style.pixelLeft=myLeft;
  42.             var rx = this.sObj.style.pixelLeft;
  43. var sx = this.canvasObj.clientWidth-(this.sObj.style.pixelLeft+this.sObj.clientWidth);
  44. if( rx<0 ) this.sObj.style.left = 0;
  45. if( sx<0 ) this.sObj.style.left = this.canvasObj.clientWidth-this.sObj.clientWidth;
  46. }
  47. }
  48. //改变 Top
  49. function ChangeTopSty (aSObj) {
  50. //inhert
  51.      this.base=ChangePropertyStrategy;
  52.         this.base(aSObj);
  53. //property
  54. this.inputValue;
  55. this.canvasObj;
  56. //override
  57. this.change = change;
  58. function change () {
  59. var myTop = this.inputValue;
  60. this.sObj.style.pixelTop=myTop;
  61.             var ry = this.sObj.style.pixelTop;
  62. var sy = this.canvasObj.clientHeight-(this.sObj.style.pixelTop+this.sObj.clientHeight);
  63. if( ry<0 ) this.sObj.style.top = 0;
  64. if( sy<0 ) this.sObj.style.top = this.canvasObj.clientHeight-this.sObj.clientHeight;
  65. }
  66. }
  68. //改变 view
  69. function ChangeViewSty (aSObj) {
  70. //inhert
  71.      this.base=ChangePropertyStrategy;
  72.         this.base(aSObj);
  73. //property
  74. this.inputValue;
  75. //override
  76. this.change = change;
  77. function change () {
  78. this.sObj.view = this.inputValue;
  79. }
  80. }
  82. //改变 auto
  83. function ChangeAutoSty (aSObj) {
  84. //inhert
  85.      this.base=ChangePropertyStrategy;
  86.         this.base(aSObj);
  87. //property
  88. this.inputValue;
  89. //override
  90. this.change = change;
  91. function change () {
  92. this.sObj.auto = this.inputValue;
  93. }
  94. }
  95. //改变 ConditionType
  96. function ChangeConditionTypeSty (aSObj) {
  97. //inhert
  98.      this.base=ChangePropertyStrategy;
  99.         this.base(aSObj);
  100. //property
  101. this.inputValue;
  102. //override
  103. this.change = change;
  104. function change () {
  105. this.sObj.conditionType = this.inputValue;
  106. }
  107. }
  108. //改变 Owner
  109. function ChangeOwnerSty (aSObj) {
  110. //inhert
  111.      this.base=ChangePropertyStrategy;
  112.         this.base(aSObj);
  113. //property
  114. this.inputValue;
  115. //override
  116. this.change = change;
  117. function change () {
  118. this.sObj.owner = this.inputValue;
  119. }
  120. }
  122. //改变 status
  123. function ChangeStatusSty (aSObj) {
  124. //inhert
  125.      this.base=ChangePropertyStrategy;
  126.         this.base(aSObj);
  127. //property
  128. this.inputValue;
  129. //override
  130. this.change = change;
  131. function change () {
  132. this.sObj.status = this.inputValue;
  133. }
  134. }
  136. //改变 old-status
  137. function ChangeOldStatusSty (aSObj) {
  138. //inhert
  139.      this.base=ChangePropertyStrategy;
  140.         this.base(aSObj);
  141. //property
  142. this.inputValue;
  143. //override
  144. this.change = change;
  145. function change () {
  146. this.sObj.oldStatus = this.inputValue;
  147. }
  148. }
  151. //环境角色 改变对象属性
  152. function ChangePropertyContext () {
  153. //property
  154. this.changePropertyStrategy;
  155. //method
  156. this.setStrategy = setStrategy;
  157. this.changeProperty = changeProperty;
  158. function setStrategy (aChangePropertyStrategy) {
  159. this.changePropertyStrategy = aChangePropertyStrategy;
  160. }
  161. function changeProperty () {
  162. return this.changePropertyStrategy.change();
  163. }
  164. }