SZoneLegendItem.ts 7.3 KB

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  1. import { SGraphItem, SLineStyle } from "@saga-web/graph/lib";
  2. import { Legend } from '../types/Legend';
  3. import { SPainter, SColor, SFont, SPoint, SLineCapStyle } from "@saga-web/draw";
  4. import { STextItem } from '@saga-web/graph/lib';
  5. import { hexify } from "@/components/mapClass/until"
  6. import { SItemStatus, ItemOrder, SPolygonItem } from '@saga-web/big/lib';
  7. /**
  8. * 图例节点Item(区域类型)
  9. *
  10. * * @author 张宇(taohuzy@163.com)
  11. */
  12. export class SZoneLegendItem extends SPolygonItem {
  13. /** 图例节点对象数据 */
  14. data: Legend;
  15. /** text item */
  16. textItem: STextItem = new STextItem(this);
  17. get text(): string {
  18. return this.textItem.text;
  19. }
  20. set text(v: string) {
  21. this.textItem.text = v;
  22. this.update();
  23. }
  24. get color(): SColor {
  25. return this.textItem.color;
  26. }
  27. set color(v: SColor) {
  28. this.textItem.color = v;
  29. }
  30. get font(): SFont {
  31. return this.textItem.font;
  32. }
  33. set font(v: SFont) {
  34. this.textItem.font = v;
  35. }
  36. get status(): SItemStatus {
  37. return this._status;
  38. }
  39. // 编辑当前状态
  40. set status(value: SItemStatus) {
  41. this._status = value;
  42. // 如果状态为show则需清栈
  43. if (value == SItemStatus.Normal) {
  44. // 切换显示状态显示文本
  45. this.showText = true;
  46. // 切换显示状态不可移动文本
  47. this.textItem.moveable = false;
  48. if (this.undoStack) {
  49. this.undoStack.clear();
  50. }
  51. } else if (value == SItemStatus.Edit) {
  52. // 切换编辑状态显示文本
  53. this.showText = true;
  54. // 切换编辑状态可移动文本
  55. this.textItem.moveable = true;
  56. } else if (value == SItemStatus.Create) {
  57. // 切换创建状态不显示文本
  58. this.showText = false;
  59. // 切换创建状态不可移动文本
  60. this.textItem.moveable = false;
  61. }
  62. this.update();
  63. };
  64. /** 是否显示文字 */
  65. _showText: boolean = true;
  66. get showText(): boolean {
  67. return this._showText;
  68. }
  69. set showText(v: boolean) {
  70. if (v === this._showText) {
  71. return
  72. }
  73. this._showText = v;
  74. if (v) {
  75. this.textItem.show();
  76. } else {
  77. this.textItem.hide();
  78. }
  79. }
  80. /** 是否蒙版遮罩 */
  81. _maskFlag: boolean = false;
  82. get maskFlag(): boolean {
  83. return this._maskFlag;
  84. }
  85. set maskFlag(v: boolean) {
  86. if (v === this._maskFlag) {
  87. return
  88. }
  89. this._maskFlag = v;
  90. this.update()
  91. }
  92. /**
  93. * 构造函数
  94. *
  95. * @param parent 指向父对象
  96. * @param data 图例节点对象数据
  97. */
  98. constructor(parent: SGraphItem | null, data: Legend) {
  99. super(parent);
  100. this.textItem.isTransform = false;
  101. this.zOrder = ItemOrder.polygonOrder;
  102. this.data = data;
  103. this.id = data.ID;
  104. this.name = data.Name;
  105. this.text = data.Name;
  106. if (data) {
  107. this.setPointList = [];
  108. let setPointList: SPoint[];
  109. if (data.OutLine) {
  110. if (data.OutLine[0] instanceof SPoint) {
  111. // @ts-ignore
  112. this.setPointList = data.OutLine;
  113. } else {
  114. setPointList = data.OutLine.map(i => {
  115. return (new SPoint(i.X, i.Y))
  116. })
  117. this.setPointList = setPointList;
  118. }
  119. }
  120. // 设置线宽
  121. if (data.Properties.LineWidth) {
  122. this.lineWidth = data.Properties.LineWidth;
  123. }
  124. if (data.Properties.StrokeColor) {
  125. this.strokeColor = data.Properties.StrokeColor.includes('#') ? new SColor(data.Properties.StrokeColor) : new SColor(hexify(data.Properties.StrokeColor));
  126. }
  127. if (data.Properties.FillColor) {
  128. this.fillColor = data.Properties.FillColor.includes('#') ? new SColor(data.Properties.FillColor) : new SColor(hexify(data.Properties.FillColor))
  129. }
  130. if (data.Properties.TextPos) {
  131. this.textItem.moveTo(data.Properties.TextPos.X, data.Properties.TextPos.Y);
  132. }
  133. if (data.Properties.color) {
  134. this.color = new SColor(data.Properties.color);
  135. }
  136. if (data.Properties.font) {
  137. this.font = new SFont("sans-serif", data.Properties.font);
  138. }
  139. switch (data.Properties.LineDash) {
  140. case "solid":
  141. this.lineStyle = SLineStyle.Solid;
  142. break;
  143. case "dotted":
  144. this.lineStyle = SLineStyle.Dotted;
  145. break;
  146. case "dashed":
  147. this.lineStyle = SLineStyle.Dashed;
  148. break;
  149. default:
  150. this.lineStyle = SLineStyle.Solid;
  151. }
  152. }
  153. // 监听多边形创建完成事件,并动态计算文本位置
  154. this.connect("finishCreated", this, () => {
  155. // 计算文本位置
  156. let x: number = this.getPointList.reduce((pre, cur, index, arr) => {
  157. return pre + (cur.x / arr.length)
  158. }, 0),
  159. y: number = this.getPointList.reduce((pre, cur, index, arr) => {
  160. return pre + (cur.y / arr.length)
  161. }, 0);
  162. this.textItem.moveTo(x, y);
  163. })
  164. }
  165. toData(): any {
  166. this.data.Pos = { X: this.x, Y: this.y };
  167. this.data.Name = this.name;
  168. this.data.Properties.FillColor = this.fillColor.value;
  169. this.data.Properties.StrokeColor = this.strokeColor.value;
  170. this.data.Properties.LineWidth = this.lineWidth;
  171. switch (this.lineStyle) {
  172. case SLineStyle.Solid:
  173. this.data.Properties.LineDash = "solid";
  174. break;
  175. case SLineStyle.Dotted:
  176. this.data.Properties.LineDash = "dotted";
  177. break;
  178. case SLineStyle.Dashed:
  179. this.data.Properties.LineDash = "dashed";
  180. break;
  181. default:
  182. this.data.Properties.LineDash = "solid";
  183. }
  184. this.data.OutLine = this.getPointList.map(pos => {
  185. return {
  186. X: pos.x,
  187. Y: pos.y
  188. }
  189. });
  190. this.data.Properties.TextPos = {X: this.textItem.x, Y: this.textItem.y};
  191. this.data.Properties.font = this.font.size;
  192. this.data.Properties.color = this.color.value;
  193. return this.data;
  194. }
  195. onDraw(painter: SPainter) {
  196. if (this.maskFlag && this.status == SItemStatus.Normal) {
  197. let color = new SColor(this.strokeColor)
  198. color.alpha = 100;
  199. let brushcolor = new SColor(this.fillColor)
  200. brushcolor.alpha = 100;
  201. painter.pen.color = color;
  202. painter.pen.lineCapStyle = SLineCapStyle.Square;
  203. painter.pen.lineWidth = painter.toPx(this._lineWidth);
  204. painter.brush.color = brushcolor;
  205. // @ts-ignore
  206. painter.drawPolygon([...this.pointList]);
  207. } else {
  208. super.onDraw(painter);
  209. }
  210. }
  211. } // Class SZoneLegendItem