ExtJS快速开发平台-代码自动生成代码,JS代码库,德仔网

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【JS】 ExtJS快速开发平台-代码自动生成
作者:chenjiewb / 发布于2013/3/1/ 1909

	package com.webbuilder.controls;

	import java.util.Iterator;

	import com.webbuilder.utils.StringUtil;
	import com.webbuilder.utils.WebUtil;

	public class ExtControl extends FrontControl {
	private StringBuilder propertiesBuffer = new StringBuilder();
	private StringBuilder eventsBuffer = new StringBuilder();
	private StringBuilder stylesBuffer = new StringBuilder();
	private StringBuilder objectsBuffer = new StringBuilder();
	protected boolean listenersPrefix = true;
	protected boolean setRender = true;

	public void create() throws Exception {
	 createScript();
	}

	protected void createScript() throws Exception {
	 if (hasParent) {
	 String xtype = getMeta("xwlXtype");

	 if (StringUtil.isEmpty(xtype))
	 xtype = "";
	 else
	 xtype = StringUtil.concat("xtype:\"", xtype, "\"");
	 headerScript(StringUtil.concat(getComma(), "{", getJson(xtype)));
	 footerScript("}");
	 if (hasChild) {
	 headerScriptNL(",items:[");
	 footerScript("]");
	 }
	 } else {
	 String id = gs("id");
	 headerScript(StringUtil.concat("Wd.", id, "=new ",
	 getMeta("xwlType"), "({"));
	 footerScript("});");
	 if (setRender)
	 headerScript(getJson("renderTo:Ext.getBody()"));
	 else
	 headerScript(getJson(null));
	 if (hasChild) {
	 headerScriptNL(",items:[");
	 footerScript("]");
	 }
	 }
	}

	protected String getJson(String moreProperties) throws Exception {
	 StringBuilder buf = new StringBuilder(), event = new StringBuilder();
	 Iterator<?> names = xwlObject.keys();
	 String n, val;
	 boolean addComma = false;
	 String meta, tagProperties = null, tagEvents = null, metaType;
	 String reserved[] = getReservedKeys(), tp, te;
	 String expTypes[] = { "boolean", "bind", "express", "object", "date" };

	 while (names.hasNext()) {
	 n = (String) names.next();
	 if (n.equals("xwlMeta") || n.equals("children") || reserved != null
	 && StringUtil.indexOf(reserved, n) != -1)
	 continue;
	 val = gs(n);
	 if (StringUtil.isEmpty(val))
	 continue;
	 if (n.equals("tagProperties")) {
	 tagProperties = val;
	 continue;
	 }
	 if (n.equals("tagEvents")) {
	 tagEvents = val;
	 continue;
	 }
	 meta = getMeta(n);
	 if (StringUtil.isEmpty(meta))
	 meta = "string";
	 metaType = StringUtil.getNamePart(meta);
	 if (StringUtil.isSame(metaType, "js")) {
	 if (isProperty(n)) {
	 if (addComma)
	 buf.append(',');
	 else
	 addComma = true;
	 buf.append(n
	 + ":function("
	 + StringUtil.replace(StringUtil.getValuePart(meta),
	 " ", "") + "){\n");
	 buf.append(val);
	 buf.append("\n}");
	 } else {
	 if (event.length() > 0)
	 event.append(',');
	 event.append(n
	 + ":function("
	 + StringUtil.replace(StringUtil.getValuePart(meta),
	 " ", "") + "){\n");
	 event.append(val);
	 event.append("\n}");
	 }
	 } else {
	 if (addComma)
	 buf.append(',');
	 else
	 addComma = true;
	 buf.append(n);
	 buf.append(':');
	 if (val.startsWith("@"))
	 buf.append(val.substring(1));
	 else if (StringUtil.indexOf(expTypes, metaType) != -1)
	 buf.append(val);
	 else {
	 if (StringUtil.isEqual(metaType, "url"))
	 val = WebUtil.getUrl(val, false);
	 buf.append(StringUtil.quote(val));
	 }
	 }
	 }
	 if (!StringUtil.isEmpty(moreProperties)) {
	 if (buf.length() > 0)
	 buf.append(',');
	 buf.append(moreProperties);
	 }
	 tp = getTagProperties();
	 if (!StringUtil.isEmpty(tp)) {
	 if (buf.length() > 0)
	 buf.append(',');
	 buf.append(tp);
	 }
	 if (!StringUtil.isEmpty(tagProperties)) {
	 if (buf.length() > 0)
	 buf.append(',');
	 buf.append(tagProperties);
	 }
	 te = getTagEvents();
	 if (!StringUtil.isEmpty(te)) {
	 if (event.length() > 0)
	 event.append(',');
	 event.append(te);
	 }
	 if (!StringUtil.isEmpty(tagEvents)) {
	 if (event.length() > 0)
	 event.append(',');
	 event.append(tagEvents);
	 }
	 if (event.length() > 0) {
	 if (listenersPrefix) {
	 buf.append(",listeners:{");
	 buf.append(event.toString());
	 buf.append('}');
	 } else {
	 buf.append(',');
	 buf.append(event.toString());
	 }
	 }
	 return buf.toString();
	}

	protected String[] getReservedKeys() throws Exception {
	 return null;
	}

	protected String getTagProperties() throws Exception {
	 return "";
	}

	protected String getTagEvents() throws Exception {
	 return "";
	}

	protected void addText(String key, String value) {
	 if (StringUtil.isEmpty(value))
	 return;
	 if (propertiesBuffer.length() > 0)
	 propertiesBuffer.append(',');
	 propertiesBuffer.append(key);
	 propertiesBuffer.append(':');
	 if (value.startsWith("@"))
	 propertiesBuffer.append(value.substring(1));
	 else
	 propertiesBuffer.append(StringUtil.quote(value));
	}

	protected void addExpress(String key, String value) {
	 if (StringUtil.isEmpty(value))
	 return;
	 if (propertiesBuffer.length() > 0)
	 propertiesBuffer.append(',');
	 propertiesBuffer.append(key);
	 propertiesBuffer.append(':');
	 if (value.startsWith("@"))
	 propertiesBuffer.append(value.substring(1));
	 else
	 propertiesBuffer.append(value);
	}

	protected void addEvent(String name, String script) {
	 if (StringUtil.isEmpty(script))
	 return;
	 if (eventsBuffer.length() > 0)
	 eventsBuffer.append(',');
	 eventsBuffer.append(name);
	 eventsBuffer.append(':');
	 eventsBuffer.append(script);
	}

	protected void setStyles(String styles) {
	 if (StringUtil.isEmpty(styles))
	 return;
	 if (stylesBuffer.length() > 0)
	 stylesBuffer.append(';');
	 stylesBuffer.append(styles);
	}

	protected void addStyle(String key, String value) {
	 if (StringUtil.isEmpty(value))
	 return;
	 if (stylesBuffer.length() > 0)
	 stylesBuffer.append(';');
	 stylesBuffer.append(key);
	 stylesBuffer.append(':');
	 stylesBuffer.append(value);
	}

	protected void setObjects(String objects) {
	 if (objects != null && objects.startsWith("{"))
	 objects = objects.substring(1, objects.length() - 1);
	 if (StringUtil.isEmpty(objects))
	 return;
	 if (objectsBuffer.length() > 0)
	 objectsBuffer.append(',');
	 objectsBuffer.append(objects);
	}

	protected void addObject(String key, String value) {
	 if (StringUtil.isEmpty(value))
	 return;
	 if (objectsBuffer.length() > 0)
	 objectsBuffer.append(',');
	 objectsBuffer.append(key);
	 objectsBuffer.append(':');
	 if (value.startsWith("@"))
	 objectsBuffer.append(value.substring(1));
	 else
	 objectsBuffer.append(value);
	}

	protected String getPBuffer() {
	 return propertiesBuffer.toString();
	}

	protected String getEBuffer() {
	 return eventsBuffer.toString();
	}

	protected String getOBuffer() {
	 String s = objectsBuffer.toString();
	 if (StringUtil.isEmpty(s))
	 return "";
	 else
	 return StringUtil.concat("{", objectsBuffer.toString(), "}");
	}

	protected String getSBuffer() {
	 return stylesBuffer.toString();
	}

	protected void resetSBuffer() {
	 stylesBuffer.delete(0, stylesBuffer.length());
	}

	protected void resetPBuffer() {
	 propertiesBuffer.delete(0, propertiesBuffer.length());
	}

	protected void resetEBuffer() {
	 eventsBuffer.delete(0, eventsBuffer.length());
	}
	}
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