SZoneLegendItem.ts 8.1 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. /** 是否激活 */
  65. _isActive: boolean = false;
  66. get isActive(): boolean {
  67. return this._isActive;
  68. } // Get isActive
  69. set isActive(v: boolean) {
  70. this._isActive = v;
  71. if (v) {
  72. this.cursor = "pointer";
  73. } else {
  74. this.cursor = "auto";
  75. }
  76. this.update();
  77. } // Set isActive
  78. /** 是否显示文字 */
  79. _showText: boolean = true;
  80. get showText(): boolean {
  81. return this._showText;
  82. }
  83. set showText(v: boolean) {
  84. if (v === this._showText) {
  85. return
  86. }
  87. this._showText = v;
  88. if (v) {
  89. this.textItem.show();
  90. } else {
  91. this.textItem.hide();
  92. }
  93. }
  94. /** 是否蒙版遮罩 */
  95. _maskFlag: boolean = false;
  96. get maskFlag(): boolean {
  97. return this._maskFlag;
  98. }
  99. set maskFlag(v: boolean) {
  100. if (v === this._maskFlag) {
  101. return
  102. }
  103. this._maskFlag = v;
  104. this.update()
  105. }
  106. /**
  107. * 构造函数
  108. *
  109. * @param parent 指向父对象
  110. * @param data 图例节点对象数据
  111. */
  112. constructor(parent: SGraphItem | null, data: Legend) {
  113. super(parent);
  114. this.textItem.isTransform = false;
  115. this.zOrder = ItemOrder.polygonOrder;
  116. this.data = data;
  117. this.id = data.ID;
  118. this.name = data.Name;
  119. this.text = data.Name;
  120. if (data) {
  121. this.setPointList = [];
  122. let setPointList: SPoint[];
  123. if (data.OutLine) {
  124. if (data.OutLine[0] instanceof SPoint) {
  125. // @ts-ignore
  126. this.setPointList = data.OutLine;
  127. } else {
  128. setPointList = data.OutLine.map(i => {
  129. return (new SPoint(i.X, i.Y))
  130. })
  131. this.setPointList = setPointList;
  132. }
  133. }
  134. if (data.Properties.Zorder) {
  135. this.zOrder = data.Properties.Zorder;
  136. }
  137. // 设置线宽
  138. if (data.Properties.LineWidth) {
  139. this.lineWidth = data.Properties.LineWidth;
  140. }
  141. if (data.Properties.StrokeColor) {
  142. this.strokeColor = data.Properties.StrokeColor.includes('#') ? new SColor(data.Properties.StrokeColor) : new SColor(hexify(data.Properties.StrokeColor));
  143. }
  144. if (data.Properties.FillColor) {
  145. this.fillColor = data.Properties.FillColor.includes('#') ? new SColor(data.Properties.FillColor) : new SColor(hexify(data.Properties.FillColor))
  146. }
  147. if (data.Properties.TextPos) {
  148. this.textItem.moveTo(data.Properties.TextPos.X, data.Properties.TextPos.Y);
  149. }
  150. if (data.Properties.color) {
  151. this.color = new SColor(data.Properties.color);
  152. }
  153. if (data.Properties.font) {
  154. this.font = new SFont("sans-serif", data.Properties.font);
  155. }
  156. if (data.Properties && data.Properties.IsActive) {
  157. this.isActive = data.Properties.IsActive;
  158. }
  159. if (data.AttachObjectIds && data.AttachObjectIds.length) {
  160. this.isActive = true;
  161. }
  162. switch (data.Properties.LineDash) {
  163. case "solid":
  164. this.lineStyle = SLineStyle.Solid;
  165. break;
  166. case "dotted":
  167. this.lineStyle = SLineStyle.Dotted;
  168. break;
  169. case "dashed":
  170. this.lineStyle = SLineStyle.Dashed;
  171. break;
  172. default:
  173. this.lineStyle = SLineStyle.Solid;
  174. }
  175. }
  176. // 监听多边形创建完成事件,并动态计算文本位置
  177. this.connect("finishCreated", this, () => {
  178. // 计算文本位置
  179. let x: number = this.getPointList.reduce((pre, cur, index, arr) => {
  180. return pre + (cur.x / arr.length)
  181. }, 0),
  182. y: number = this.getPointList.reduce((pre, cur, index, arr) => {
  183. return pre + (cur.y / arr.length)
  184. }, 0);
  185. this.textItem.moveTo(x, y);
  186. })
  187. }
  188. toData(): any {
  189. this.data.Pos = { X: this.x, Y: this.y };
  190. this.data.Name = this.name;
  191. this.data.Properties.Zorder = this.zOrder;
  192. this.data.Properties.FillColor = this.fillColor.value;
  193. this.data.Properties.StrokeColor = this.strokeColor.value;
  194. this.data.Properties.LineWidth = this.lineWidth;
  195. switch (this.lineStyle) {
  196. case SLineStyle.Solid:
  197. this.data.Properties.LineDash = "solid";
  198. break;
  199. case SLineStyle.Dotted:
  200. this.data.Properties.LineDash = "dotted";
  201. break;
  202. case SLineStyle.Dashed:
  203. this.data.Properties.LineDash = "dashed";
  204. break;
  205. default:
  206. this.data.Properties.LineDash = "solid";
  207. }
  208. this.data.OutLine = this.getPointList.map(pos => {
  209. return {
  210. X: pos.x,
  211. Y: pos.y
  212. }
  213. });
  214. this.data.Properties.TextPos = {X: this.textItem.x, Y: this.textItem.y};
  215. this.data.Properties.font = this.font.size;
  216. this.data.Properties.color = this.color.value;
  217. this.data.Properties.IsActive = this.isActive;
  218. return this.data;
  219. }
  220. onDraw(painter: SPainter) {
  221. if (this.maskFlag && this.status == SItemStatus.Normal) {
  222. let color = new SColor(this.strokeColor)
  223. color.alpha = color.alpha / 2
  224. let brushcolor = new SColor(this.fillColor)
  225. brushcolor.alpha = brushcolor.alpha / 2
  226. painter.pen.color = color
  227. painter.pen.lineCapStyle = SLineCapStyle.Square
  228. painter.pen.lineWidth = painter.toPx(this._lineWidth)
  229. painter.brush.color = brushcolor
  230. // @ts-ignore
  231. painter.drawPolygon([...this.pointList]);
  232. } else {
  233. super.onDraw(painter);
  234. }
  235. }
  236. } // Class SZoneLegendItem