Application: gvSIG desktop » Library: org.gvsig.tools

package org.gvsig.tools.dynform.services.dynform;

import java.awt.Component;

import java.io.FileInputStream;

import java.io.InputStream;

import java.util.HashMap;

import java.util.Map;

import javax.swing.JCheckBox;

import javax.swing.JComboBox;

import javax.swing.JComponent;

import javax.swing.JSpinner;

import javax.swing.text.JTextComponent;

import org.gvsig.tools.dynform.DynFormDefinition;

import org.gvsig.tools.dynform.DynFormFieldDefinition;

import org.gvsig.tools.dynform.JDynFormField;

import org.gvsig.tools.dynform.JDynFormField.JDynFormFieldListener;

import org.gvsig.tools.dynform.spi.dynform.AbstractJDynForm;

import org.gvsig.tools.dynform.spi.DynFormSPIManager;

import com.jeta.forms.components.panel.FormPanel;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.io.File;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.List;

import javax.swing.JButton;

import javax.swing.JLabel;

import javax.swing.JList;

import javax.swing.JScrollPane;

import javax.swing.JTable;

import javax.swing.JTextArea;

import javax.swing.JViewport;

import org.apache.commons.io.FilenameUtils;

import org.apache.commons.io.IOUtils;

import org.apache.commons.lang3.StringUtils;

import org.gvsig.tools.dataTypes.CoercionException;

import org.gvsig.tools.dynform.spi.DynFormSPIManager.ComponentsFactory;

import static org.gvsig.tools.dynform.spi.DynFormSPIManager.TAG_DYNFORM_ABEILLE_FORM;

import static org.gvsig.tools.dynform.spi.DynFormSPIManager.USERCODE_FORM_CLEAR;

import static org.gvsig.tools.dynform.spi.DynFormSPIManager.USERCODE_FORM_ISMODIFIED;

import static org.gvsig.tools.dynform.spi.DynFormSPIManager.USERCODE_FORM_ISREADONLY;

import static org.gvsig.tools.dynform.spi.DynFormSPIManager.USERCODE_FORM_ONFIELDCHANGED;

import static org.gvsig.tools.dynform.spi.DynFormSPIManager.USERCODE_FORM_ONFIELDENTER;

import static org.gvsig.tools.dynform.spi.DynFormSPIManager.USERCODE_FORM_ONFIELDEXIT;

import static org.gvsig.tools.dynform.spi.DynFormSPIManager.USERCODE_FORM_ONLOAD;

import static org.gvsig.tools.dynform.spi.DynFormSPIManager.USERCODE_FORM_ONSETVALUES;

import static org.gvsig.tools.dynform.spi.DynFormSPIManager.USERCODE_FORM_VALIDATE;

import org.gvsig.tools.dynform.spi.dynform.JDynFormFactory;

import org.gvsig.tools.dynform.spi.dynformfield.AbstractJDynFormField;

import org.gvsig.tools.dynform.spi.dynformfield.JDynFormFieldFactory;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.resourcesstorage.ResourcesStorage;

import org.gvsig.tools.resourcesstorage.ResourcesStorage.Resource;

import org.gvsig.tools.script.Script;

@SuppressWarnings("UseSpecificCatch")

public class AbeilleJDynForm extends AbstractJDynForm implements JDynFormFieldListener {

    private class AbeilleComponentsFactory implements ComponentsFactory {

        private class DefaultScrolledComponent<T> implements ScrolledComponent<T> {

            private final T component;

            public DefaultScrolledComponent(T component) {

                this.component = component;

            }

            @Override

            public JScrollPane getScrollPane() {

                try {

                    Object p1 = ((JComponent) component).getParent();

                    if( p1 instanceof JViewport ) {

                        p1 = ((JComponent) component).getParent();

                    }

                    if( p1 instanceof JScrollPane ) {

                        return (JScrollPane) p1;

                    }

                } catch(Exception ex) {

                }

                return null;

            }

            @Override

            public T getComponent() {

                return this.component;

            }

        }

        private static final String PREFIX_JCHECKBOX = "chk";

        private static final String PREFIX_JLABEL = "lbl";

        private static final String PREFIX_DROPDOWN = "lblDdn";

        private static final String PREFIX_JCOMBOBOX = "cbo";

        private static final String PREFIX_JSPINNER = "spn";

        private static final String PREFIX_JTEXTFIELD = "txt";

        private static final String PREFIX_JTEXTAREA = "txt";

        private static final String PREFIX_JBUTTON = "btn";

        private static final String PREFIX_JLIST = "lst";

        private static final String PREFIX_JTABLE = "tbl";

        private final FormPanel form;

        public AbeilleComponentsFactory(FormPanel form) {

            this.form = form;

        }

        @Override

        public boolean containsComponents(DynFormFieldDefinition definition) {

            String[] prefixes = new String[] {

                PREFIX_JCHECKBOX,

                PREFIX_JLABEL,

                PREFIX_DROPDOWN,

                PREFIX_JCOMBOBOX,

                PREFIX_JSPINNER,

                PREFIX_JTEXTFIELD,

                PREFIX_JTEXTAREA,

                PREFIX_JBUTTON,

                PREFIX_JLIST,

                PREFIX_JTABLE

            };

            for (String prefix : prefixes) {

                Component component = this.form.getComponentByName(prefix + definition.getName());

                if( component!=null ) {

                    return true;

                }

            }

            return false;

        }

        @Override

        public boolean containsJComboBox(DynFormFieldDefinition definition, String prefix) {

            Component component = this.form.getComponentByName(PREFIX_JCOMBOBOX+StringUtils.defaultIfBlank(prefix, "") + definition.getName());

            return component!=null;

        }

        @Override

        public boolean containsJButton(DynFormFieldDefinition definition, String prefix) {

            Component component = this.form.getComponentByName(PREFIX_JBUTTON+StringUtils.defaultIfBlank(prefix, "") + definition.getName());

            return component!=null;

        }

        @Override

        public boolean containsJLabel(DynFormFieldDefinition definition, String prefix) {

            Component component = this.form.getComponentByName(PREFIX_JLABEL+StringUtils.defaultIfBlank(prefix, "") + definition.getName());

            return component!=null;

        }

        @Override

        public boolean containsJSpinner(DynFormFieldDefinition definition, String prefix) {

            Component component = this.form.getComponentByName(PREFIX_JSPINNER+StringUtils.defaultIfBlank(prefix, "") + definition.getName());

            return component!=null;

        }

        @Override

        public boolean containsJTextField(DynFormFieldDefinition definition, String prefix) {

            Component component = this.form.getComponentByName(PREFIX_JTEXTFIELD+StringUtils.defaultIfBlank(prefix, "") + definition.getName());

            return component!=null;

        }

        @Override

        public JCheckBox getJCheckBox(DynFormFieldDefinition definition, String prefix) {

            try {

                Component component = this.form.getComponentByName(PREFIX_JCHECKBOX+StringUtils.defaultIfBlank(prefix, "") + definition.getName());

                return (JCheckBox) component;

            } catch(Throwable th) {

                return null;

            }

        }

        @Override

        public JLabel getJLabel(DynFormFieldDefinition definition, String prefix) {

            try {

                Component component = this.form.getComponentByName(PREFIX_JLABEL+StringUtils.defaultIfBlank(prefix, "") + definition.getName());

                return (JLabel) component;

            } catch(Throwable th) {

                return null;

            }

        }

        @Override

        public JComboBox getJComboBox(DynFormFieldDefinition definition, String prefix) {

            try {

                Component component = this.form.getComponentByName(PREFIX_JCOMBOBOX+StringUtils.defaultIfBlank(prefix, "") + definition.getName());

                return (JComboBox) component;

            } catch(Throwable th) {

                return null;

            }

        }

        @Override

        public JTextComponent getJTextField(DynFormFieldDefinition definition, String prefix) {

            try {

                Component component = this.form.getComponentByName(PREFIX_JTEXTFIELD+StringUtils.defaultIfBlank(prefix, "") + definition.getName());

                return (JTextComponent) component;

            } catch(Throwable th) {

                return null;

            }

        }

        @Override

        public JTextComponent getJPasswordField(DynFormFieldDefinition definition, String prefix) {

            return this.getJTextField(definition, prefix);

        }

        @Override

        public ScrolledComponent<JTextArea> getJTextArea(DynFormFieldDefinition definition, String prefix) {

            try {

                JTextArea component = (JTextArea) this.form.getComponentByName(

                        PREFIX_JTEXTAREA + StringUtils.defaultIfBlank(prefix, "") + definition.getName()

                );

                return new DefaultScrolledComponent<>(component);

            } catch(Throwable th) {

                return null;

            }

        }

        @Override

        public ScrolledComponent<JList> getJList(DynFormFieldDefinition definition, String prefix) {

            try {

                JList component = (JList) this.form.getComponentByName(

                        PREFIX_JLIST+StringUtils.defaultIfBlank(prefix, "") + definition.getName()

                );

                return new DefaultScrolledComponent<>(component);

            } catch(Throwable th) {

                return null;

            }

        }

        @Override

        public ScrolledComponent<JTable> getJTable(DynFormFieldDefinition definition, String prefix) {

            try {

                JTable component = (JTable) this.form.getComponentByName(

                        PREFIX_JTABLE+StringUtils.defaultIfBlank(prefix, "") + definition.getName()

                );

                return new DefaultScrolledComponent<>(component);

            } catch(Throwable th) {

                return null;

            }

        }

        @Override

        public JSpinner getJSpinner(DynFormFieldDefinition definition, String prefix) {

            try {

                Component component = this.form.getComponentByName(PREFIX_JSPINNER+StringUtils.defaultIfBlank(prefix, "") + definition.getName());

                return (JSpinner) component;

            } catch(Throwable th) {

                return null;

            }

        }

        @Override

        public JButton getJButton(DynFormFieldDefinition definition, String prefix) {

            try {

                Component component = this.form.getComponentByName(PREFIX_JBUTTON+StringUtils.defaultIfBlank(prefix, "") + definition.getName());

                return (JButton) component;

            } catch(Throwable th) {

                return null;

            }

        }

    }

    private Map<String,JDynFormField> components = null;

    private String resourceName = null;

    private AbeilleComponentsFactory componentsFactory;

    public AbeilleJDynForm(

            DynFormSPIManager manager,

            JDynFormFactory factory,

            DynFormContext context,

            DynFormDefinition definition

    ) {

        super(manager, factory, definition, context);

        this.components = new HashMap();

        resourceName = (String) definition.getTags().get(DynFormSPIManager.TAG_DYNFORM_ABEILLE_FORM);

        if (resourceName == null) {

            ResourcesStorage storage = context.getResourcesStorage();

            if( storage.exists("jetaform") ) {

                this.resourceName = "jetaform";

            } else if( storage.exists("jfrm") ) {

                this.resourceName = "jfrm";

            } else {

                throw new IllegalArgumentException("Can't locate form resource. Need tag '"+TAG_DYNFORM_ABEILLE_FORM+"' or resource 'jetaform'.");

            }

        }

        this.componentsFactory = null;

    }

    @Override

    public JComponent getFieldsContainer() {

        InputStream is = null;

        FormPanel form = null;

        Resource resource = null;

        try {

            File f = new File(resourceName);

            if( f.isAbsolute() && f.exists() ) {

                is = new FileInputStream(f);

            } else {

                ResourcesStorage storage = this.getContext().getResourcesStorage();

                resource = storage.getResource(FilenameUtils.getName(resourceName));

                if( resource == null || !resource.exists() ) {

                    throw new IllegalArgumentException("Can't locate abeille form '"+resourceName+"'.");

                }

                is = resource.asInputStream();

            }

            form = new FormPanel(is);

            this.componentsFactory = new AbeilleComponentsFactory(form);

            for (DynFormFieldDefinition definition : this.getDefinition().getDefinitions()) {

                if( definition==null ) {

                    continue;

                }

                if (definition.isHidden()) {

                    continue;

                }

                if( !this.componentsFactory.containsComponents(definition) ) {

                    continue;

                }

                try {

                    JDynFormFieldFactory factory = this.getServiceManager()

                            .getJDynFormFieldFactory(this.getContext(),definition);

                    JDynFormField jfield = factory.create(

                            this.getServiceManager(), 

                            this.componentsFactory, 

                            definition, 

                            null

                    );

                    if (jfield instanceof AbstractJDynFormField) {

                        ((AbstractJDynFormField) jfield).setForm(this);

                    }

                    if (this.isReadOnly()) {

                        jfield.setReadOnly(true);

                    } else {

                        jfield.setReadOnly(definition.isReadOnly());

                    }

                    jfield.addListener(this); 

                    this.configurePopupMenu(jfield);

                    this.components.put(jfield.getName(), jfield);

                    jfield.asJComponent(); // Forzamos que se inicialize

                    jfield.getJLabel();  // Forzamos que se inicialize 

                } catch(Throwable th1) {

                    LOGGER.warn("Can't load field '"+definition.getName()+"' for abeille form '"+resourceName+"'.", th1);

                }

            }

            this.bindUserCode(form);

            this.callUserEvent(USERCODE_FORM_ONLOAD, this);

        } catch (Throwable th) {

            LOGGER.warn("Can't load abeille form '"+resourceName+"'.", th);

        } finally {

            IOUtils.closeQuietly(is);

            IOUtils.closeQuietly(resource);

        }

        return form;

    }

    public Iterator getFieldsIterator() {

        if (!this.isContentsInitialized()) {

            this.initComponents();

        }

        return this.components.values().iterator();

    }

    @Override

    public void setReadOnly(boolean readOnly) {

        if( this.isReadOnly() == readOnly ) {

            return;

        }

        super.setReadOnly(readOnly);

        if (this.isContentsInitialized()) {

            Iterator it = this.getFieldsIterator();

            while (it.hasNext()) {

                JDynFormField field = (JDynFormField) it.next();

                if( readOnly ) {

                    field.setReadOnly(true);

                } else if( field.getDefinition().isReadOnly() ) {

                    field.setReadOnly(true);

                } else {

                    field.setReadOnly(false);

                }

            }

        }

    }

    private void bindUserCode(FormPanel form) {

        Script theScript = this.getScript();

        if( theScript==null ) {

            return;

        }        

        List<String> names = theScript.getNames();

        if( names == null ) {

            return;

        }

        for(String name : names ) {

            if( name.endsWith("_click") ) {

                String componentName = name.substring(0, name.length()-6);

                Component c = form.getComponentByName(componentName);

                if( c instanceof JButton ) {

                    JButton button = (JButton) c;

                    final String fnName = name;

                    button.addActionListener(new ActionListener() {

                        @Override

                        public void actionPerformed(ActionEvent e) {

                            callUserEvent(fnName, e);

                        }

                    });

                }

            }

        }

    }

    @Override

    public void setValues(DynObject values) {

        if (!this.isContentsInitialized()) {

            this.values = values;

            return;

        }

        for (JDynFormField jfield : this.getFields()) {

            String name = "unknown";

            try {

                name = jfield.getName();

                jfield.setValue(values.getDynValue(jfield.getName()));

            } catch(Exception ex) {

                LOGGER.warn("Can't set value to field '"+name+"'.",ex);

            }

        }

        this.callUserEvent(USERCODE_FORM_ONSETVALUES, this, values);

        try {

            if( (boolean) this.callUserFunction(USERCODE_FORM_ISREADONLY, this) ) {

                this.setReadOnly(true);

            }

        } catch (Exception ex) {

        }

    }

    public Iterable<JDynFormField> getFields() {

        if (!this.isContentsInitialized()) {

            this.initComponents();

        }

        return this.components.values();

    }

    @Override

    public JDynFormField getField(String fieldName) {

        if (!this.isContentsInitialized()) {

            this.initComponents();

        }

        JDynFormField field = this.components.get(fieldName);

        return field;

    }

    @Override

    public void getValues(DynObject values) {

        if (values == null) {

            return;

        }

        for (JDynFormField jfield : this.getFields()) {

            try {

                jfield.fetch(values);

            } catch (Exception ex) {

                LOGGER.warn("Can't get value of field '" + jfield.getName() + "'.", ex);

            }

        }

    }

    @Override

    public Object getValue(String fieldName) {

        JDynFormField field = (JDynFormField) this.getField(fieldName);

        return field.getValue();

    }

    @Override

    public void setValue(String fieldName, Object value) {

        JDynFormField field = (JDynFormField) this.getField(fieldName);

        try {

            value = field.getDefinition().getDataType().coerce(value);

        } catch (CoercionException e) {

            String msg = "Invalid value '" + ((value == null) ? "(null)" : value.toString()) + "' for field '" + fieldName + "'.";

            LOGGER.warn(msg, e);

            throw new RuntimeException(msg, e);

        }

        field.setValue(value);

    }

    @Override

    public boolean hasValidValues() {

        for (JDynFormField jfield : this.getFields()) {

            if (!jfield.hasValidValue()) {

                return false;

            }

        }

        try {

            return (boolean) this.callUserFunction(USERCODE_FORM_VALIDATE, this);

        } catch (Exception ex) {

        }

        return true;

    }

    @Override

    public boolean hasValidValues(List<String> fieldsName) {

        if (fieldsName == null) {

            fieldsName = new ArrayList<>();

        }

        for (JDynFormField jfield : this.getFields()) {

            if (!jfield.hasValidValue()) {

                fieldsName.add(jfield.getName());

            }

        }

        return fieldsName.isEmpty();

    }

    @Override

    public boolean isModified() {

        if( this.isReadOnly() ) {

            return false;

        }

        try {

            if( this.getScript()!=null ) {

                return (boolean) this.callUserFunction(USERCODE_FORM_ISMODIFIED, this, values);

            }

        } catch (NoSuchMethodException ex) {

        } catch (Exception ex) {

            LOGGER.warn("Error calling user function form_IsModified.",ex);

        }

        for (JDynFormField jfield : this.getFields()) {

            if (jfield.isModified()) {

                return true;

            }

        }

        return false;

    }

    @Override

    public void clear() {

        for (JDynFormField jfield : this.getFields()) {

            jfield.clear();

        }

        this.callUserEvent(USERCODE_FORM_CLEAR, this);

    }

    @Override

    public void fieldEnter(JDynFormField field) {

        message(field.getDefinition().getDescription());

        this.callUserEvent(USERCODE_FORM_ONFIELDENTER, this, field);

    }

    @Override

    public void fieldExit(JDynFormField field) {

        message();

        this.callUserEvent(USERCODE_FORM_ONFIELDEXIT, this, field);

    }

    @Override

    public void fieldChanged(JDynFormField field) {

        fireFieldChangeEvent(field);

        this.callUserEvent(USERCODE_FORM_ONFIELDCHANGED, this, field);

    }

    @Override

    public void message(JDynFormField field, String message) {

        message(message);

    }

}