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1
16 package com.blandware.atleap.webapp.taglib.core.content.editor;
17
18 import com.blandware.atleap.common.util.StringUtil;
19 import com.blandware.atleap.webapp.util.core.GlobalProperties;
20 import com.blandware.atleap.webapp.util.core.LocaleUtil;
21 import com.blandware.atleap.webapp.util.core.RequestUtil;
22 import com.blandware.atleap.webapp.util.core.WebappConstants;
23 import org.apache.commons.validator.GenericValidator;
24 import org.apache.struts.taglib.TagUtils;
25 import org.apache.struts.util.RequestUtils;
26
27 import javax.servlet.http.HttpServletRequest  ;
28 import javax.servlet.jsp.JspException ;
29 import javax.servlet.jsp.PageContext ;
30 import javax.servlet.jsp.tagext.SimpleTagSupport ;
31 import java.io.IOException ;
32 import java.io.StringWriter ;
33 import java.util.HashMap ;
34 import java.util.Locale ;
35 import java.util.Map ;
36
37
93 public class ContentEditorTag extends SimpleTagSupport {
94
95
97
100 public static final String EDITOR_TYPE_TINYMCE = "TinyMCE";
101
102
105 public static final String EDITOR_TYPE_FCKEDITOR = "FCKEditor";
106
107
110 public static final String EDITOR_AREA_CSS_NO_STYLESHEET = "no_stylesheet";
111
112
115 public static final String TINY_MCE_COUNT_KEY = "com.blandware.atleap.webapp.taglib.core.content.editor.TINY_MCE_COUNT";
116
117
120 public static final String FCKEDITOR_COUNT_KEY = "com.blandware.atleap.webapp.taglib.core.content.editor.FCKEDITOR_COUNT";
121
122
125 protected int tinyMCECount = 0;
126
127
130 protected String type = null;
131
132
134
137 protected String id;
138
139
142 protected String basePath = null;
143
144
147 protected String defaultLanguage;
148
149
152 protected String baseHref;
153
154
157 protected String editorAreaLanguage;
158
159
162 protected Boolean fullPage;
163
164
168 protected String editorAreaCss;
169
170
173 protected String width = null;
174
175
178 protected String height = null;
179
180
189 public String getType() {
190 return type;
191 }
192
193
198 public void setType(String type) {
199 this.type = type;
200 }
201
202
203
212 public String getId() {
213 return id;
214 }
215
216
221 public void setId(String value) {
222 id = value;
223 }
224
225
234 public String getBasePath() {
235 return basePath;
236 }
237
238
243 public void setBasePath(String value) {
244 basePath = value;
245 }
246
247
256 public String getDefaultLanguage() {
257 return defaultLanguage;
258 }
259
260
265 public void setDefaultLanguage(String defaultLanguage) {
266 this.defaultLanguage = defaultLanguage;
267 }
268
269
279 public String getBaseHref() {
280 return baseHref;
281 }
282
283
289 public void setBaseHref(String baseHref) {
290 this.baseHref = baseHref;
291 }
292
293
303 public String getEditorAreaLanguage() {
304 return editorAreaLanguage;
305 }
306
307
313 public void setEditorAreaLanguage(String editorAreaLanguage) {
314 this.editorAreaLanguage = editorAreaLanguage;
315 }
316
317
327 public Boolean getFullPage() {
328 return fullPage;
329 }
330
331
337 public void setFullPage(Boolean fullPage) {
338 this.fullPage = fullPage;
339 }
340
341
351 public String getEditorAreaCss() {
352 return editorAreaCss;
353 }
354
355
361 public void setEditorAreaCss(String editorAreaCss) {
362 this.editorAreaCss = editorAreaCss;
363 }
364
365
374 public String getWidth() {
375 return width;
376 }
377
378
383 public void setWidth(String value) {
384 width = value;
385 }
386
387
396 public String getHeight() {
397 return height;
398 }
399
400
405 public void setHeight(String value) {
406 height = value;
407 }
408
409
412 public void doTag() throws JspException , IOException {
413
414 PageContext pageContext = (PageContext ) getJspContext();
415 HttpServletRequest request = (HttpServletRequest ) pageContext.getRequest();
416
417 if ( !EDITOR_TYPE_FCKEDITOR.equalsIgnoreCase(type) && !EDITOR_TYPE_TINYMCE.equalsIgnoreCase(type) ) {
418 type = GlobalProperties.getInstance(pageContext.getServletContext()).getString(WebappConstants.GLOBAL_PROPERTY_WYSIWYG_EDITOR_TYPE, EDITOR_TYPE_TINYMCE);
420 if ( !EDITOR_TYPE_FCKEDITOR.equalsIgnoreCase(type) && !EDITOR_TYPE_TINYMCE.equalsIgnoreCase(type) ) {
421 type = EDITOR_TYPE_TINYMCE;
423 }
424 }
425
426 if ( EDITOR_TYPE_FCKEDITOR.equalsIgnoreCase(type) ) {
428 Integer tagNumber = (Integer ) pageContext.getAttribute(FCKEDITOR_COUNT_KEY, PageContext.REQUEST_SCOPE);
429 if ( tagNumber == null ) {
430 tagNumber = new Integer (0);
431 } else {
432 tagNumber = new Integer (tagNumber.intValue() + 1);
433 }
434 pageContext.setAttribute(FCKEDITOR_COUNT_KEY, tagNumber, PageContext.REQUEST_SCOPE);
435 } else {
436 Integer tagNumber = (Integer ) pageContext.getAttribute(TINY_MCE_COUNT_KEY, PageContext.REQUEST_SCOPE);
437 if ( tagNumber == null ) {
438 tagNumber = new Integer (0);
439 } else {
440 tagNumber = new Integer (tagNumber.intValue() + 1);
441 }
442 pageContext.setAttribute(TINY_MCE_COUNT_KEY, tagNumber, PageContext.REQUEST_SCOPE);
443 this.tinyMCECount = tagNumber.intValue();
444 }
445
446 if ( basePath == null ) {
448 basePath = ((HttpServletRequest ) pageContext.getRequest()).getContextPath() + "/FCKeditor/";
449 }
450
451 if ( GenericValidator.isBlankOrNull(defaultLanguage) ) {
453 Locale locale = RequestUtils.getUserLocale(request, null);
454 if ( locale == null ) {
455 defaultLanguage = LocaleUtil.getInstance(pageContext.getServletContext()).getDefaultLocale().getIdentifier();
456 } else {
457 defaultLanguage = locale.getLanguage();
458 }
459 }
460
461 if ( editorAreaCss == null ) {
463 editorAreaCss = request.getContextPath() + "/styles/core/core.css";
464 } else if ( EDITOR_AREA_CSS_NO_STYLESHEET.equalsIgnoreCase(editorAreaCss) ) {
465 editorAreaCss = "";
466 }
467
468 if ( GenericValidator.isBlankOrNull(width) ) {
470 width = "100%";
471 }
472
473 if ( GenericValidator.isBlankOrNull(height) ) {
475 height = "400px;";
476 }
477
478 StringWriter sw = new StringWriter ();
479 getJspBody().invoke(sw);
480 String htmlCode = null;
481 if ( EDITOR_TYPE_FCKEDITOR.equalsIgnoreCase(type) ) {
482 htmlCode = createFCKEditorHTML(sw.toString());
483 } else {
484 htmlCode = createTinyMCEHTML(sw.toString());
485 }
486 TagUtils.getInstance().write(pageContext, htmlCode);
487 }
488
489
494 protected boolean isCompatible() {
495
496 PageContext pageContext = (PageContext ) getJspContext();
497 String userAgent = ((HttpServletRequest ) pageContext.getRequest()).getHeader("user-agent");
498 if ( userAgent == null ) {
499 return false;
500 } else {
501 userAgent = userAgent.toLowerCase();
502 }
503
504 boolean compatible = false;
505
506 if ( EDITOR_TYPE_FCKEDITOR.equalsIgnoreCase(type) ) {
508 if ( (userAgent.indexOf("msie") != -1) && (userAgent.indexOf("mac") == -1) && (userAgent.indexOf("opera") == -1) ) {
509 if ( retrieveBrowserVersion(userAgent) >= 5.5 ) {
510 compatible = true;
511 }
512 } else if ( userAgent.indexOf("gecko") != -1 ) {
513 if ( retrieveBrowserVersion(userAgent) >= 20030210 ) {
514 compatible = true;
515 }
516 }
517 } else {
518 if ( userAgent.indexOf("opera") != -1 ) {
519 compatible = false;
520 } else if ( userAgent.indexOf("msie") != -1 ) {
521 if ( retrieveBrowserVersion(userAgent) >= 5.5 ) {
522 compatible = true;
523 }
524 } else if ( userAgent.indexOf("gecko") != -1 ) {
525 compatible = true;
527 } else if ( userAgent.indexOf("mac") != -1 ) {
528 compatible = true;
529 } else {
530 compatible = false;
531 }
532 }
533
534 return compatible;
535 }
536
537
543 protected double retrieveBrowserVersion(String userAgent) {
544 if ( userAgent.indexOf("msie") > -1 ) {
545 String str = userAgent.substring(userAgent.indexOf("msie") + 5);
546 return Double.parseDouble(str.substring(0, str.indexOf(";")));
547 } else {
548 String str = userAgent.substring(userAgent.indexOf("gecko") + 6);
549 return Double.parseDouble(str.substring(0, 8));
550 }
551 }
552
553
554
563 protected String createFCKEditorHTML(String content) {
564 StringBuffer strEditor = new StringBuffer ();
565
566 strEditor.append("<div>");
567 content = StringUtil.htmlEncode(content);
568
569 if ( isCompatible() ) {
570
571 if ( content != null && content.trim().length() > 0 ) {
572 strEditor.append("<input type=\"hidden\" id=\"" + id + "\" name=\"" + id + "\" value=\"" + content + "\">");
573 } else {
574 strEditor.append("<input type=\"hidden\" id=\"" + id + "\" name=\"" + id + "\">");
575 }
576
577 strEditor.append(createFCKConfigHTML());
578 strEditor.append(createFCKIFrameHTML());
579
580 } else {
581 strEditor.append("<textarea name=\"" + id + "\" rows=\"4\" cols=\"40\" style=\"width: " + width + "; height: " + height + "\" wrap=\"virtual\">" + content + "</textarea>");
582 }
583 strEditor.append("</div>");
584 return strEditor.toString();
585 }
586
587
592 protected String createFCKConfigHTML() {
593
594 Map config = new HashMap ();
596 config.put("DefaultLanguage", defaultLanguage);
597 config.put("BaseHref", baseHref);
598 config.put("EditorAreaLanguage", editorAreaLanguage);
599 config.put("FullPage", fullPage);
600 config.put("EditorAreaCss", editorAreaCss);
601
602 String configStr = RequestUtil.createQueryStringFromMap(config, "&").toString();
604
605 return "<input type=\"hidden\" id=\"" + id + "___Config\" value=\"" + configStr + "\">";
606 }
607
608
613 protected String createFCKIFrameHTML() {
614
615 String src = basePath + "editor/fckeditor.html?InstanceName=" + id;
616 src += "&Toolbar=Default";
617
618 StringBuffer iframe = new StringBuffer ("<iframe");
619 iframe.append(" SRC=\"").append(src).append("\"");
620 iframe.append(" id=\"").append(id).append("\"");
621 iframe.append(" name=\"").append(id).append("\"");
622 StringBuffer style = new StringBuffer ();
623 if ( !GenericValidator.isBlankOrNull(width) ) {
624 style.append(" width: ").append(width).append(";");
625 }
626 if ( !GenericValidator.isBlankOrNull(height) ) {
627 style.append(" height: ").append(height).append(";");
628 }
629 if ( style.length() > 0 ) {
630 iframe.append(" style=\"").append(style).append("\"");
631 }
632 iframe.append(" frameborder=\"no\"");
633 iframe.append(" scrolling=\"no\"");
634 iframe.append(">");
635 iframe.append("</iframe>");
636 return iframe.toString();
637
638 }
639
640
646 protected String createTinyMCEHTML(String content) {
647 StringBuffer htmlCode = new StringBuffer ();
648 if ( tinyMCECount == 0 ) {
649 htmlCode.append(createTinyMCEInitCode()).append("\n");
650 }
651
652 StringBuffer languageScript = new StringBuffer ("<script language=\"javascript\">");
654 languageScript.append("this.editorAreaLanguages[this.editorAreaLanguages.length] = ");
655 if ( !GenericValidator.isBlankOrNull(editorAreaLanguage) ) {
656 languageScript.append("\"").append(editorAreaLanguage).append("\"");
657 } else {
658 languageScript.append("null");
659 }
660 languageScript.append(";");
661 languageScript.append("</script>");
662
663 StringBuffer editor = new StringBuffer ("<textarea");
665 editor.append(" id=\"").append(id).append("\"");
666 editor.append(" name=\"").append(id).append("\"");
667
668 StringBuffer style = new StringBuffer ();
669 if ( !GenericValidator.isBlankOrNull(width) ) {
670 style.append(" width: ").append(width).append(";");
671 }
672 if ( !GenericValidator.isBlankOrNull(height) ) {
673 style.append(" height: ").append(height).append(";");
674 }
675 if ( style.length() > 0 ) {
676 editor.append(" style=\"").append(style).append("\"");
677 }
678 editor.append(" class=\"contentEditorInstance\"");
679 editor.append(">");
680
681 if ( content != null ) {
683 editor.append(content).append("\n");
684 }
685
686 editor.append("</textarea>");
688
689 htmlCode.append(languageScript);
690 htmlCode.append(editor);
691
692 return htmlCode.toString();
693 }
694
695
700 protected StringBuffer createTinyMCEInitCode() {
701 StringBuffer initCode = new StringBuffer ();
702 String language = "ru".equals(defaultLanguage) ? "ru_UTF-8" : defaultLanguage;
705
706 initCode.append("<script language=\"javascript\" type=\"text/javascript\">");
707 initCode.append("tinyMCE.init({");
708 initCode.append("theme : \"advanced\"");
709 initCode.append(", mode : \"specific_textareas\"");
710 initCode.append(", editor_selector : \"contentEditorInstance\"");
711 initCode.append(", dialog_type : \"window\"");
712 initCode.append(", remove_linebreaks : false");
713 initCode.append(", language : \"").append(language).append("\"");
715 initCode.append(", docs_language : \"").append(language).append("\"");
716 initCode.append(", content_css : \"").append(editorAreaCss.trim()).append("\"");
717 initCode.append(", plugins : \"table,save,advhr,advimage,advlink,emotions,iespell,preview,flash,searchreplace,print,contextmenu,paste,directionality,fullscreen\"");
718 initCode.append(", theme_advanced_buttons1_add_before : \"save,separator\"");
719 initCode.append(", theme_advanced_buttons1_add : \"fontselect,fontsizeselect\"");
720 initCode.append(", theme_advanced_buttons2_add : \"separator,preview,separator,forecolor,backcolor\"");
721 initCode.append(", theme_advanced_buttons2_add_before: \"cut,copy,paste,pastetext,pasteword,separator,search,replace,separator\"");
722 initCode.append(", theme_advanced_buttons3_add_before : \"tablecontrols,separator\"");
723 initCode.append(", theme_advanced_buttons3_add : \"emotions,iespell,flash,advhr,separator,print,separator,ltr,rtl,separator,fullscreen\"");
724 initCode.append(", theme_advanced_toolbar_location : \"top\"");
725 initCode.append(", theme_advanced_toolbar_align : \"left\"");
726 initCode.append(", theme_advanced_path_location : \"bottom\"");
727 initCode.append(", extended_valid_elements : \"a[name|href|target|title|onclick],img[class|src|border=0|alt|title|hspace|vspace|width|height|align|onmouseover|onmouseout|name],hr[class|width|size|noshade],font[face|size|color|style],span[class|align|style]\"");
728 initCode.append(", file_browser_callback : \"tinyMCEBrowserCallBack\"");
729 initCode.append(", init_instance_callback : \"tinyMCEInitInstanceCallBack\"");
730 if ( !GenericValidator.isBlankOrNull(baseHref) ) {
731 initCode.append(", relative_urls : true");
732 initCode.append(", document_base_url : \"").append(baseHref).append("\"");
733 }
734 initCode.append(", apply_source_formatting : true");
735 initCode.append("});");
736
737 if ( !GenericValidator.isBlankOrNull(editorAreaLanguage) ) {
738 initCode.append("this.editorAreaLanguages = new Array();");
739 }
740
741 initCode.append("</script>");
742
743 return initCode;
744 }
745 }
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