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1
142 package com.ivata.groupware.web.tag.webgui.tree;
143
144 import java.io.IOException  ;
145 import java.util.List ;
146 import java.util.Properties ;
147
148 import javax.servlet.jsp.JspException ;
149 import javax.servlet.jsp.JspWriter ;
150 import javax.swing.tree.TreeModel ;
151
152 import com.ivata.groupware.web.tree.TreeNode;
153 import com.ivata.mask.util.CollectionHandling;
154 import com.ivata.mask.util.StringHandling;
155 import com.ivata.mask.web.tag.webgui.ControlTag;
156 import com.ivata.mask.web.theme.Theme;
157
158
159
288 public class TreeSelectTag extends ControlTag {
289
296 static final String childrenProperty = "treeChildren";
297
300 private String controlName;
301
304 private String defaultCaption = null;
305
310 private String defaultValue = "";
311
314 private Integer listSize = new Integer (15);
315
319 private Integer maxDepth = null;
320
323 private TreeModel model = null;
324
327 private String onChange = null;
328
331 private boolean readOnly;
332
335 private String selected = null;
336
339 private List selectedList = null;
340
343 private String treeName = null;
344
347 private String treeStyle = "combo";
348
351 private boolean useJavaScript = false;
352
353
357 public TreeSelectTag() {
358 super();
359 }
360
361
375 private void createChildren(final Object parent,
376 final JspWriter out,
377 final int actualDepth) throws JspException {
378 String prependString = "";
379 for (int i=1; i<actualDepth; i++) {
380 if (useJavaScript) {
381 prependString += "- ";
382 } else {
383 prependString += "- ";
384 }
385 }
386
387 try {
388 int totalNodes = model.getChildCount(parent);
389
390 for (int nodeNumber = 0; nodeNumber < totalNodes; ++nodeNumber) {
391 TreeNode node = (TreeNode) model.getChild(parent, nodeNumber);
392 String javaSript = "javascript:document.frmFolder" + node.getId() + ".submit( )";
393 String sSpaces;
395
396 if (useJavaScript) {
397 out.println(controlName + ".options[ " + controlName + ".length ] = new Option( \"" + prependString + node.getName() + "\", " + node.getId() + " );");
398 if (isSelected(node.getId())) {
399 out.println(controlName + ".options[ " + controlName + ".length - 1 ].selected = true;");
400 }
401 } else {
402 Theme theme = getTheme();
403 Properties optionProperties = CollectionHandling.splice(getProperties(), new Properties ());
404
405 optionProperties.setProperty("value", StringHandling.getNotNull(node.getId(), "null"));
406 if (isSelected(node.getId())) {
407 optionProperties.setProperty("selected", "selected");
408 }
409 out.print(theme.parseSection("treeSelectOptionStart", optionProperties));
410 out.print(prependString + node.getName());
411 out.print(theme.parseSection("treeSelectOptionEnd", optionProperties));
412 }
413 if ( ((this.maxDepth==null) || (this.maxDepth!=null && actualDepth < this.maxDepth.intValue())) && (model.getChildCount(node) > 0)) {
416 createChildren(node, out, actualDepth+1);
417 }
418 }
419 } catch (IOException e) {
420 throw new JspException (e);
421 }
422 }
423
424
440 public int doStartTag() throws JspException {
441 super.doStartTag();
442 try {
443 JspWriter out = pageContext.getOut();
445
446 if (useJavaScript) {
448 out.println(controlName + ".options.length=0;");
449 } else {
450 Properties properties = CollectionHandling.splice(getProperties(), new Properties ());
452
453 properties.setProperty("name", controlName);
454 if (readOnly) {
457 properties.setProperty("readOnly", "readOnly");
458 }
459 if (onChange != null) {
461 properties.setProperty("onChange", onChange);
462 }
463
464 String styleId = getStyleId();
465 if (styleId != null) {
466 properties.setProperty("styleId", styleId);
467 }
468 String style = getStyle();
470 if (style != null) {
471 properties.setProperty("style", style);
472 }
473 String styleClass = getStyleClass();
474 if (styleClass != null) {
475 properties.setProperty("styleClass", styleClass);
476 }
477 TreeNode root = (TreeNode) model.getRoot();
478
479 if (treeStyle.equalsIgnoreCase("list")) {
481 properties.setProperty("multiple", "multiple");
482 properties.setProperty("listSize", listSize.toString());
483 }
484 Theme theme = getTheme();
485
486 out.print(theme.parseSection("treeSelectStart", properties));
487 if (defaultCaption != null) {
488 Properties optionProperties = CollectionHandling.splice(getProperties(), new Properties ());
489
490 optionProperties.setProperty("value", defaultValue);
491 out.print(theme.parseSection("treeSelectOptionStart", optionProperties));
492 out.print(defaultCaption);
493 out.print(theme.parseSection("treeSelectOptionEnd", optionProperties));
494 }
495 createChildren(root, out, 1);
496 if (!useJavaScript) {
498 out.print(theme.parseSection("treeSelectEnd", properties));
499 }
500 }
501 } catch (IOException ioException) {
502 throw new JspException (
503 "Error in TreeSelectTag: IOException whilst printing select.",
504 ioException);
505 } catch (Exception e) {
506 throw new JspException ("Error in TreeSelectTag: unhandled exception of class '"
507 + e.getClass().getName() + "'",
508 e);
509 }
510 return SKIP_BODY;
512 }
513
514
523 public final String getControlName() {
524 return controlName;
525 }
526
527
538 public final String getDefaultCaption() {
539 return defaultCaption;
540 }
541
548 public final String getDefaultValue() {
549 return defaultValue;
550 }
551
552
561 public final Integer getListSize() {
562 return listSize;
563 }
564
565
572 public final Integer getMaxDepth() {
573 return this.maxDepth;
574 }
575
576
588 public final TreeModel getModel() {
589 return model;
590 }
591
592
602 public final String getOnChange() {
603 return onChange;
604 }
605
606
615 public final boolean getReadOnly() {
616 return readOnly;
617 }
618
619
624 public final String getSelected() {
625 return selected;
626 }
627
628
633 public List getSelectedList() {
634 return selectedList;
635 }
636
637
647 public final String getTreeName() {
648 return treeName;
649 }
650
651
663 public final String getTreeStyle() {
664 return treeStyle;
665 }
666
667
679 public final boolean getUseJavaScript() {
680 return useJavaScript;
681 }
682
683
695 private boolean isSelected(Integer integerParam) {
696 if (selectedList != null) {
697 return (selectedList.indexOf(id) != -1);
698 } else {
699 return StringHandling.getNotNull(id).equals(selected);
700 }
701 }
702
703
713 public final void setControlName(final String controlName) {
714 this.controlName = controlName;
715 }
716
717
729 public final void setDefaultCaption(final String defaultCaption) {
730 this.defaultCaption = defaultCaption;
731 }
732
739 public final void setDefaultValue(final String defaultValue) {
740 this.defaultValue = defaultValue;
741 }
742
743
753 public final void setListSize(final Integer listSize) {
754 this.listSize = listSize;
755 }
756
757
764 public final void setMaxDepth(final Integer maxDepth) {
765 this.maxDepth = maxDepth;
766 }
767
768
780 public final void setModel(final TreeModel model) {
781 this.model = model;
782 }
783
784
795 public final void setOnChange(final String onChange) {
796 this.onChange = onChange;
797 }
798
799
809 public final void setReadOnly(final boolean readOnly) {
810 this.readOnly = readOnly;
811 }
812
813
818 public final void setSelected(final String selected) {
819 this.selected = selected;
820 }
821
822
827 public final void setSelectedList(final List selectedList) {
828 this.selectedList = selectedList;
829 }
830
831
842 public final void setTreeName(final String treeName) {
843 this.treeName = treeName;
844 }
845
846
859 public final void setTreeStyle(final String treeStyle) {
860 this.treeStyle = treeStyle;
861 }
862
863
876 public final void setUseJavaScript(final boolean useJavaScript) {
877 this.useJavaScript = useJavaScript;
878 }
879 }
880 |
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