com.viaoa.web.jqueryui.OASelectMenu Maven / Gradle / Ivy

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/*  Copyright 1999-2015 Vince Via [email protected]
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
*/
package com.viaoa.web.jqueryui;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.viaoa.hub.Hub;
import com.viaoa.hub.HubDetailDelegate;
import com.viaoa.hub.HubLinkDelegate;
import com.viaoa.jsp.OACombo;
import com.viaoa.jsp.OAForm;
import com.viaoa.jsp.OAJspComponent;
import com.viaoa.jsp.OATableEditor;
import com.viaoa.object.OALinkInfo;
import com.viaoa.object.OAObject;
import com.viaoa.object.OAObjectCacheDelegate;
import com.viaoa.object.OAObjectInfoDelegate;
import com.viaoa.object.OAObjectKey;
import com.viaoa.object.OAObjectKeyDelegate;
import com.viaoa.util.OAConv;
import com.viaoa.util.OAPropertyPath;
import com.viaoa.util.OAString;

//qqqqqqqqq needs to know the js and css files that are required ..qqqqqqqq

/**
 * converts an html select using a Bootstrap combobox
 *
 * @author vvia
 * @see OACombo
 */
public class OASelectMenu implements OAJspComponent, OATableEditor {
	private static final long serialVersionUID = 1L;

	private Hub hub;

	protected Hub topHub;
	protected OALinkInfo recursiveLinkInfo;
	protected Hub hubSelect; // used by OAList

	protected String id;
	protected int columns;
	protected String propertyPath;
	protected String visiblePropertyPath;
	protected String enablePropertyPath;
	private OAForm form;
	private boolean bEnabled = true;
	private boolean bVisible = true;
	private boolean bAjaxSubmit, bSubmit;
	protected String nullDescription = "";
	private boolean required;
	private String name;
	private boolean bFocus;
	protected String forwardUrl;

	public OASelectMenu(String id, Hub hub, String propertyPath, int columns) {
		this.id = id;
		this.hub = hub;
		this.propertyPath = propertyPath;
		this.columns = columns;
	}

	public void setPropertyPath(String pp) {
		this.propertyPath = pp;
	}

	public String getPropertyPath() {
		return this.propertyPath;
	}

	@Override
	public boolean isChanged() {
		return false;
	}

	@Override
	public String getId() {
		return id;
	}

	public Hub getHub() {
		return hub;
	}

	public void setHub(Hub hub) {
		this.hub = hub;
	}

	@Override
	public void reset() {
		lastAjaxSent = null;
	}

	@Override
	public void setForm(OAForm form) {
		this.form = form;
	}

	@Override
	public OAForm getForm() {
		return this.form;
	}

	@Override
	public boolean _beforeFormSubmitted() {
		return true;
	}

	@Override
	public boolean _onFormSubmitted(HttpServletRequest req, HttpServletResponse resp, HashMap hmNameValue) {
		String name = null;
		OAObject obj = null;
		String[] values = null;

		String s = req.getParameter("oacommand");
		if (s == null && hmNameValue != null) {
			String[] ss = hmNameValue.get("oacommand");
			if (ss != null && ss.length > 0) {
				s = ss[0];
			}
		}
		boolean bSubmittedComponent = (id != null && id.equals(s));
		boolean bWasSubmitted = false; // was the combo submited with the form

		OAObject objLinkTo = null;
		if (hmNameValue != null) {
			for (Map.Entry ex : hmNameValue.entrySet()) {
				name = (String) ex.getKey();
				if (!name.toUpperCase().startsWith(id.toUpperCase())) {
					continue;
				}

				bWasSubmitted = true;
				values = ex.getValue();
				if (values == null) {
					values = new String[0];
				}

				if (name.equalsIgnoreCase(id)) { // no link to hub
					break;
				}
				if (!name.toUpperCase().startsWith(id.toUpperCase() + "_")) {
					continue;
				}
				Hub hubLink = hub.getLinkHub(true);
				if (hubLink == null) {
					continue;
				}

				if (name.toUpperCase().startsWith(id.toUpperCase() + "_")) {
					s = name.substring(id.length() + 1);
					if (s.startsWith("guid.")) {
						s = s.substring(5);
						OAObjectKey k = new OAObjectKey(null, OAConv.toInt(s), true);
						objLinkTo = (OAObject) OAObjectCacheDelegate.get(hubLink.getObjectClass(), k);
					} else {
						objLinkTo = (OAObject) OAObjectCacheDelegate.get(hubLink.getObjectClass(), s);
					}
					break;
				}
			}
		}
		ArrayList alSelected = new ArrayList();
		Object objSelected = null;
		for (int i = 0; values != null && i < values.length; i++) {
			String value = values[i];
			// now get selected object
			if ("oanull".equals(value)) {
				objSelected = null;
			} else {
				if (value.startsWith("pos.")) {
					int pos = OAConv.toInt(value.substring(4));
					objSelected = hub.getAt(pos);
				} else if (hub.isOAObject()) {
					if (value.startsWith("guid.")) {
						value = value.substring(5);
						OAObjectKey k = new OAObjectKey(null, OAConv.toInt(value), true);
						objSelected = OAObjectCacheDelegate.get(hub.getObjectClass(), k);
					} else {
						objSelected = OAObjectCacheDelegate.get(hub.getObjectClass(), value);
					}
				}
				alSelected.add(objSelected);
			}
		}

		if (hubSelect != null) {
			for (Object objx : alSelected) {
				if (!hubSelect.contains(objx)) {
					hubSelect.add(objx);
				}
			}
			for (Object objx : hubSelect) {
				if (!alSelected.contains(objx)) {
					hubSelect.remove(objx);
				}
			}
		} else if (objLinkTo != null) {
			if (hub != null && lastActiveObject != objSelected) {
				String linkProp = HubLinkDelegate.getLinkToProperty(hub);
				if (HubLinkDelegate.getLinkedOnPos(hub)) {
					objLinkTo.setProperty(linkProp, hub.getPos(objSelected));
				} else {
					String linkFromProp = HubLinkDelegate.getLinkFromProperty(hub);
					if (linkFromProp != null) {
						if (objSelected instanceof OAObject) {
							objSelected = ((OAObject) objSelected).getProperty(linkFromProp);
						}
					}
					objLinkTo.setProperty(linkProp, objSelected);
				}
			}
		} else if (bWasSubmitted) {
			if (hub != null && (bSubmittedComponent || lastActiveObject != objSelected)) {
				hub.setAO(objSelected);
			}
		}
		return bSubmittedComponent; // true if this caused the form submit
	}

	@Override
	public String _afterFormSubmitted(String forwardUrl) {
		return afterFormSubmitted(forwardUrl);
	}

	@Override
	public String afterFormSubmitted(String forwardUrl) {
		return forwardUrl;
	}

	public void setForwardUrl(String forwardUrl) {
		this.forwardUrl = forwardUrl;
	}

	public String getForwardUrl() {
		return this.forwardUrl;
	}

	@Override
	public String _onSubmit(String forwardUrl) {
		return onSubmit(forwardUrl);
	}

	@Override
	public String onSubmit(String forwardUrl) {
		return forwardUrl;
	}

	public void setAjaxSubmit(boolean b) {
		bAjaxSubmit = b;
	}

	public boolean getAjaxSubmit() {
		return bAjaxSubmit;
	}

	public void setSubmit(boolean b) {
		bSubmit = b;
	}

	public boolean getSubmit() {
		return bSubmit;
	}

	protected String maxHeigth; // ex:  200px,  12em

	public void setMaxHeight(String val) {
		this.maxHeigth = val;
	}

	public String getMaxHeigth() {
		return this.maxHeigth;
	}

	private String lastAjaxSent;

	@Override
	public String getScript() {
		lastAjaxSent = null;
		StringBuilder sb = new StringBuilder(1024);
		sb.append(getAjaxScript(true));
		// sb.append("$(\"\").insertAfter('#"+id+"');\n");

		if (OAString.isNotEmpty(maxHeigth)) {
			sb.append("$('#" + id + "').selectmenu().selectmenu(\"menuWidget\").css(\"max-height\", \"" + maxHeigth + "\");");
		} else {
			sb.append("$('#" + id + "').selectmenu();");
		}

		if ((bAjaxSubmit || HubDetailDelegate.hasDetailHubs(hub)) && OAString.isEmpty(getForwardUrl())) {
			sb.append("$('#" + id + "').on(\"selectmenuchange\", function() {$('#oacommand').val('" + id
					+ "');ajaxSubmit();return false;});");
		} else if (getSubmit() || !OAString.isEmpty(getForwardUrl())) {
			sb.append("$('#" + id + "').on(\"selectmenuchange\", function() {$('#oacommand').val('" + id
					+ "');$('form').submit();return false;});");
		}

		if (getSubmit() || getAjaxSubmit() || HubDetailDelegate.hasDetailHubs(hub)) {
			//            sb.append("$('#"+id+"').addClass('oaSubmit');\n");
		}

		if (isRequired()) {
			//            sb.append("$('#"+id+"').addClass('oaRequired');\n");
		}
		//        sb.append("$('#"+id+"').blur(function() {$(this).removeClass('oaError');}); \n");

		String js = sb.toString();
		return js;
	}

	@Override
	public String getVerifyScript() {
		if (!isRequired()) {
			return null;
		}

		// see: OAForm.getInitScript for using "requires[]" and "errors[]"
		return ("if ($('#" + id + "').val() == 'oanull') { requires.push('" + (name != null ? name : id) + "'); $('#" + id
				+ "').addClass('oaError');}");
		// was: return ("if ($('#"+id+"').val() == '') { oaShowError('"+(name!=null?name:id)+" is required'); $('#"+id+"').addClass('oaError');return false;}");
	}

	public boolean isRequired() {
		return required;
	}

	public void setRequired(boolean required) {
		this.required = required;
	}

	public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	private Object lastActiveObject;

	@Override
	public String getAjaxScript() {
		String s = getAjaxScript(false);
		return s;
	}

	protected String getAjaxScript(boolean bInit) {
		StringBuilder sb = new StringBuilder(1024);

		if (hub != null) {
			lastActiveObject = hub.getAO();
		}

		//todo: qqqqq could be link on pos, link on property
		// todo: create script to only send change of selection

		String ids = id;
		Hub hubLink = hub == null ? null : hub.getLinkHub(true);
		if (hubLink != null) {
			Object objLink = hubLink.getAO();
			if (objLink != null) {
				OAObjectKey key = OAObjectKeyDelegate.getKey((OAObject) objLink);
				Object[] objs = key.getObjectIds();
				if (objs != null && objs.length > 0 && objs[0] != null) {
					ids += "_" + objs[0];
				} else {
					ids += "_guid." + key.getGuid();
				}
			}
		}

		// id + "_" + linkToObjectKey
		sb.append("$('#" + id + "').attr('name', '" + ids + "');\n");

		String options = "";

		if (recursiveLinkInfo != null) {
			options = getOptions(topHub, 0);
		} else {
			options = getOptions(hub, 0);
		}

		String value = nullDescription;
		if (value == null) {
			if (options.length() == 0) {
				value = "";
			}
		}
		if (value != null) {
			if (options.length() == 0) {
				for (int i = value.length(); i < columns; i++) {
					value += " ";
				}
				value = OAString.convert(value, " ", " ");
			}
			boolean b;
			if (hubSelect != null) {
				b = hubSelect.getSize() == 0;
			} else {
				b = hub.getAO() == null;
			}

			String sel = b ? "selected='selected'" : "";
			options += "";
		}
		sb.append("$('#" + id + "').empty();\n");
		options = convertOption(options);
		sb.append("$('#" + id + "').append(\"" + options + "\");\n");

		if (getEnabled()) {
			sb.append("$('#" + id + "').removeAttr('disabled');\n");
		} else {
			sb.append("$('#" + id + "').attr('disabled', 'disabled');\n");
		}
		/* removed, controlled by selectmenu        
		if (bVisible) sb.append("$('#"+id+"').show();\n");
		else sb.append("$('#"+id+"').hide();\n");
		 */
		if (bFocus) {
			sb.append("$('#" + id + "').focus();\n");
			bFocus = false;
		}

		if (!bInit) {
			sb.append("$('#" + id + "').selectmenu(\"refresh\");");
		}

		String js = sb.toString();

		if (lastAjaxSent != null && lastAjaxSent.equals(js)) {
			js = null;
		} else {
			lastAjaxSent = js;
		}

		return js;
	}

	protected String convertOption(String value) {
		value = OAString.convert(value, "\r\n", " ");
		value = OAString.convert(value, "\n", " ");
		value = OAString.convert(value, "\r", " ");
		value = OAString.convert(value, "\"", "\\\""); // needs to be double quotes, since that it is how it is formatted.
		return value;
	}

	/**
	 * this is called to render each option.
	 * 
	 * @param option is the string formatted value of object
	 */
	protected String getOption(int pos, Object object, String option) {
		return option;
	}

	protected String format;
	private boolean bDefaultFormat = true;

	public void setFormat(String fmt) {
		this.format = fmt;
		bDefaultFormat = false;
	}

	public String getFormat() {
		if (format == null && bDefaultFormat && hub != null) {
			bDefaultFormat = false;
			OAPropertyPath pp = new OAPropertyPath(hub.getObjectClass(), propertyPath);
			if (pp != null) {
				format = pp.getFormat();
			}
		}
		return format;
	}

	protected String getOptions(Hub hubx, int indent) {
		if (hubx == null) {
			return "";
		}
		String options = "";
		for (int i = 0;; i++) {
			Object obj = hubx.getAt(i);
			if (obj == null) {
				break;
			}

			String value = null;
			if (obj instanceof OAObject) {
				value = ((OAObject) obj).getPropertyAsString(propertyPath, getFormat());
			} else {
				value = OAConv.toString(obj, getFormat());
			}
			if (value == null) {
				value = "";
			}

			value = getOption(i, obj, value);

			value = OAString.convert(value, "\r\n", " ");
			value = OAString.convert(value, "\n", " ");
			value = OAString.convert(value, "\r", " ");

			if (columns > 0) {
				value = OAString.lineBreak(value, columns, " ", 1);
			}

			//value = com.viaoa.html.Util.toEscapeString(value);
			if (i == 0) {
				int addSp = (columns <= 0) ? 0 : (columns - value.length());
				for (int j = 0; j < addSp; j++) {
					value += " ";
				}
				value = OAString.convert(value, " ", " ");
			}

			String v = null;
			if (obj instanceof OAObject) {
				OAObjectKey key = OAObjectKeyDelegate.getKey((OAObject) obj);
				Object[] objs = key.getObjectIds();
				if (objs != null && objs.length > 0 && objs[0] != null) {
					v = "" + objs[0];
				} else {
					v = "pos." + i;
				}
			} else {
				v = "pos." + i;
			}

			boolean b;
			if (hubSelect != null) {
				b = hubSelect.contains(obj);
			} else if (recursiveLinkInfo != null) {
				b = (hub.getAO() == obj);
			} else {
				b = (hub.getAO() == obj || hub.getPos() == i);
			}

			String sel = (b) ? "selected='selected'" : "";

			if (indent > 0) {
				String s = ("   ");
				for (int j = 0; j < indent - 1; j++) {
					s += ("   ");
				}
				s += ("-- ");
				value = s + value;
			}

			options += "";

			if (recursiveLinkInfo != null) {
				Hub h = (Hub) recursiveLinkInfo.getValue(obj);
				if (h != null) {
					options += getOptions(h, indent + 1);
				}
			}

		}
		return options;
	}

	public String getNullDescription() {
		return nullDescription;
	}

	public void setNullDescription(String s) {
		nullDescription = s;
	}

	@Override
	public void setEnabled(boolean b) {
		this.bEnabled = b;
	}

	@Override
	public boolean getEnabled() {
		if (!bEnabled) {
			return false;
		}
		if (hub == null) {
			return bEnabled;
		}

		if (!hub.isValid()) {
			return false;
		}

		if (OAString.isEmpty(enablePropertyPath)) {
			return bEnabled;
		}

		OAObject obj = (OAObject) hub.getAO();
		if (obj == null) {
			return bEnabled;
		}
		Object value = obj.getPropertyAsString(enablePropertyPath);
		boolean b = OAConv.toBoolean(value);
		return b;
	}

	@Override
	public void setVisible(boolean b) {
		lastAjaxSent = null;
		this.bVisible = b;
	}

	@Override
	public boolean getVisible() {
		if (!bVisible) {
			return false;
		}
		if (hub == null) {
			return bVisible;
		}

		if (OAString.isEmpty(visiblePropertyPath)) {
			return bVisible;
		}

		OAObject obj = (OAObject) hub.getAO();
		if (obj == null) {
			return false;
		}

		Object value = obj.getPropertyAsString(visiblePropertyPath);
		boolean b = OAConv.toBoolean(value);
		return b;
	}

	public boolean setRecursive(boolean b) {
		this.topHub = null;
		this.recursiveLinkInfo = null;
		if (b) {
			recursiveLinkInfo = OAObjectInfoDelegate.getRecursiveLinkInfo(	OAObjectInfoDelegate.getObjectInfo(hub.getObjectClass()),
																			OALinkInfo.MANY);
			if (recursiveLinkInfo == null) {
				return false;
			}
			this.topHub = hub.getRootHub();
			if (topHub == null) {
				this.recursiveLinkInfo = null;
				return false;
			}
		}
		return true;
	}

	public boolean getRecursive() {
		return (recursiveLinkInfo != null);
	}

	public String getVisiblePropertyPath() {
		return visiblePropertyPath;
	}

	public void setVisiblePropertyPath(String visiblePropertyPath) {
		this.visiblePropertyPath = visiblePropertyPath;
	}

	public String getEnablePropertyPath() {
		return enablePropertyPath;
	}

	public void setEnablePropertyPath(String enablePropertyPath) {
		this.enablePropertyPath = enablePropertyPath;
	}

	public void setFocus(boolean b) {
		this.bFocus = b;
	}

	@Override
	public String getTableEditorHtml() {
		String s = "";
		return s;
	}

	@Override
	public String getRenderHtml(OAObject obj) {
		return null;
	}

	@Override
	public String getEditorHtml(OAObject obj) {
		return null;
	}

	@Override
	public void _beforeOnSubmit() {
	}

	@Override
	public void setId(String id) {
		this.id = id;
	}
}