Example usage for org.apache.wicket.extensions.ajax.markup.html.autocomplete AutoCompleteSettings setPreselect

List of usage examples for org.apache.wicket.extensions.ajax.markup.html.autocomplete AutoCompleteSettings setPreselect

Introduction

In this page you can find the example usage for org.apache.wicket.extensions.ajax.markup.html.autocomplete AutoCompleteSettings setPreselect.

Prototype

public AutoCompleteSettings setPreselect(final boolean preselect) 

Source Link

Document

Sets whether the first item in the autocomplete list should be selected when the autocomplete list is shown.

Usage

From source file:com.servoy.j2db.server.headlessclient.dataui.WebDataLookupField.java

License:Open Source License

private void init() {

    add(new HeaderContributor(new IHeaderContributor() {
        private static final long serialVersionUID = 1L;

        public void renderHead(IHeaderResponse response) {
            response.renderCSSReference(
                    new CompressedResourceReference(WebDataLookupField.class, "servoy_lookupfield.css")); //$NON-NLS-1$
        }/*from  ww w .j  a v a2s . c  o  m*/
    }) {
        @Override
        public boolean isEnabled(Component component) {
            return !getScriptObject().isReadOnly() && getScriptObject().isEnabled();
        }
    });

    setOutputMarkupPlaceholderTag(true);

    AutoCompleteSettings behSettings = new AutoCompleteSettings();
    behSettings.setMaxHeightInPx(200);
    behSettings.setPreselect(true);
    behSettings.setShowCompleteListOnFocusGain(true);
    behSettings.setAdjustInputWidth(false);

    ClientProperties clp = (application.getApplicationType() != IApplication.HEADLESS_CLIENT
            ? ((WebClientInfo) Session.get().getClientInfo()).getProperties()
            : null); // in case of batch processors/jsp, we can't get browser info because UI is not given by web client components
    if (clp != null && (!clp.isBrowserInternetExplorer() || clp.getBrowserVersionMajor() >= 8)) {
        // smart positioning doesn't work on IE < 8 (probably because of unreliable clientWidth/clientHeight browser element js properties)
        behSettings.setUseSmartPositioning(true);
        behSettings.setUseHideShowCoveredIEFix(false); // don't know if the problem this setting is for can still be reproduced (I couldn't reproduce it)... this is true by default and makes fields in IE and Opera appear/dissapear if they would be covered by type-ahead popup
    } else {
        behSettings.setUseSmartPositioning(false);
        behSettings.setUseHideShowCoveredIEFix(true);
    }
    behSettings.setThrottleDelay(500);

    IAutoCompleteRenderer<Object> renderer = new IAutoCompleteRenderer<Object>() {
        protected String getTextValue(Object object) {
            String str = ""; //$NON-NLS-1$
            if (object instanceof DisplayString) {
                str = object.toString();
            } else if (object != null && !(object instanceof String)) {
                IConverter con = getConverter(object.getClass());
                if (con != null) {
                    str = con.convertToString(object, getLocale());
                } else {
                    str = object.toString();
                }
            } else if (object != null) {
                str = object.toString();
            }
            if (str == null || str.trim().equals("")) //$NON-NLS-1$
                str = "&nbsp;"; //$NON-NLS-1$
            return str;
        }

        protected void renderChoice(Object object, Response response, String criteria) {
            if (IValueList.SEPARATOR_DESIGN_VALUE.equals(object))
                return;
            String renderedObject = getTextValue(object);
            // escape the markup if it is not html or not just an empty none breaking space (null or empty string object)
            if (!renderedObject.equals("&nbsp;") && !HtmlUtils.hasHtmlTag(renderedObject)) //$NON-NLS-1$
                renderedObject = HtmlUtils.escapeMarkup(renderedObject, true, false).toString();
            response.write(renderedObject);
        }

        /*
         * (non-Javadoc)
         *
         * @see org.apache.wicket.extensions.ajax.markup.html.autocomplete.IAutoCompleteRenderer#render(java.lang.Object, org.apache.wicket.Response,
         * java.lang.String)
         */
        public void render(Object object, Response response, String criteria) {
            String textValue = getTextValue(object);
            if (textValue == null) {
                throw new IllegalStateException(
                        "A call to textValue(Object) returned an illegal value: null for object: "
                                + object.toString());
            }
            textValue = textValue.replaceAll("\\\"", "&quot;");

            response.write("<li textvalue=\"" + textValue + "\"");
            response.write(">");
            renderChoice(object, response, criteria);
            response.write("</li>");
        }

        /*
         * (non-Javadoc)
         *
         * @see org.apache.wicket.extensions.ajax.markup.html.autocomplete.IAutoCompleteRenderer#renderHeader(org.apache.wicket.Response)
         */
        @SuppressWarnings("nls")
        public void renderHeader(Response response) {
            StringBuffer listStyle = new StringBuffer();
            listStyle.append("style=\"");

            String fFamily = "Tahoma, Arial, Helvetica, sans-serif";
            String bgColor = "#ffffff";
            String fgColor = "#000000";
            String fSize = TemplateGenerator.DEFAULT_FONT_SIZE + "px";
            String padding = "2px";
            String margin = "0px";
            if (getFont() != null) {
                Font f = getFont();
                if (f != null) {
                    if (f.getFamily() != null) {
                        fFamily = f.getFamily();
                        if (fFamily.contains(" "))
                            fFamily = "'" + fFamily + "'";
                    }
                    if (f.getName() != null) {
                        String fName = f.getName();
                        if (fName.contains(" "))
                            fName = "'" + fName + "'";
                        fFamily = fName + "," + fFamily;
                    }
                    if (f.isBold())
                        listStyle.append("font-weight:bold; ");
                    if (f.isItalic())
                        listStyle.append("font-style:italic; ");

                    fSize = Integer.toString(f.getSize()) + "px";
                }
            }

            if (getListColor() != null && getListColor().getAlpha() == 255) {
                // background shouldn't be transparent
                bgColor = getWebColor(getListColor().getRGB());
            }
            if (getForeground() != null) {
                fgColor = getWebColor(getForeground().getRGB());
            }
            Insets _padding = getPadding();
            if (getPadding() != null)
                padding = _padding.top + "px " + _padding.right + "px " + _padding.bottom + "px "
                        + _padding.left + "px";

            listStyle.append("font-family:" + fFamily + "; ");
            listStyle.append("background-color: " + bgColor + "; ");
            listStyle.append("color: " + fgColor + "; ");
            listStyle.append("font-size:" + fSize + "; ");
            listStyle.append("min-width:" + (getSize().width - 6) + "px; "); // extract padding and border
            listStyle.append("margin: " + margin + "; ");
            listStyle.append("padding: " + padding + "; ");
            listStyle.append(
                    "text-align:" + TemplateGenerator.getHorizontalAlignValue(getHorizontalAlignment()));
            listStyle.append("\"");

            response.write("<ul " + listStyle + ">");
        }

        /*
         * (non-Javadoc)
         *
         * @see org.apache.wicket.extensions.ajax.markup.html.autocomplete.IAutoCompleteRenderer#renderFooter(org.apache.wicket.Response)
         */
        public void renderFooter(Response response) {
            response.write("</ul>"); //$NON-NLS-1$
        }

        /**
         * Returns web color representation of int rgba color by
         * removing the alpha value
         *
         * @param color int representation of rgba color
         * @return web color of form #rrggbb
         */
        private String getWebColor(int color) {
            String webColor = Integer.toHexString(color);
            int startIdx = webColor.length() - 6;
            if (startIdx < 0)
                startIdx = 0;
            webColor = webColor.substring(startIdx);

            StringBuilder sb = new StringBuilder();
            sb.append('#');
            int nrMissing0 = 6 - webColor.length();
            for (int i = 0; i < nrMissing0; i++) {
                sb.append('0');
            }
            sb.append(webColor);

            return sb.toString();
        }
    };

    AutoCompleteBehavior<Object> beh = new AutoCompleteBehavior<Object>(renderer, behSettings) {
        private static final long serialVersionUID = 1L;

        /**
         * @see org.apache.wicket.extensions.ajax.markup.html.autocomplete.AutoCompleteBehavior#getChoices(java.lang.String)
         */
        @Override
        protected Iterator<Object> getChoices(String input) {
            String filteredInput = filterInput(input);
            if (changeListener != null)
                dlm.getValueList().removeListDataListener(changeListener);
            try {
                dlm.fill(parentState, getDataProviderID(), filteredInput, false);
                return dlm.iterator();
            } catch (Exception ex) {
                Debug.error(ex);
            } finally {
                if (changeListener != null)
                    dlm.getValueList().addListDataListener(changeListener);
            }
            return Collections.emptyList().iterator();
        }

        /**
         * filters the input in case of masked input (removes the mask)
         */
        private String filterInput(String input) {
            String displayFormat = WebDataLookupField.this.parsedFormat.getDisplayFormat();
            if (displayFormat != null && displayFormat.length() > 0
                    && input.length() == displayFormat.length()) {
                int index = firstBlankSpacePosition(input, displayFormat);
                if (index == -1)
                    return input;
                return input.substring(0, index);
            }
            return input;
        }

        /**
         * Computes the index of the first space char found in the input and is not ' ' nor '*' in the format
         * Example:
         * input  '12 - 3  -  '
         * format '## - ## - #'
         * returns 6
         * @param input
         * @param displayFormat
         * @return The index of the first space char found in the input and is not ' ' nor '*' in the format
         */
        private int firstBlankSpacePosition(String input, String displayFormat) {
            for (int i = 0; i < input.length(); i++) {
                if ((input.charAt(i) == ' ') && (displayFormat.charAt(i) != ' ')
                        && (displayFormat.charAt(i) != '*'))
                    return i;
            }
            return 0;
        }

        /**
         * @see org.apache.wicket.ajax.AbstractDefaultAjaxBehavior#getFailureScript()
         */
        @Override
        protected CharSequence getFailureScript() {
            return "onAjaxError();"; //$NON-NLS-1$
        }

        /**
         * @see org.apache.wicket.ajax.AbstractDefaultAjaxBehavior#getPreconditionScript()
         */
        @Override
        protected CharSequence getPreconditionScript() {
            return "onAjaxCall();" + super.getPreconditionScript(); //$NON-NLS-1$
        }

        // need to set this behavior to true (enterHidesWithNoSelection) because otherwise the onKeyDown events
        // or other events for the component with type ahead would be null in Firefox, and would not execute as
        // expected on the other browsers...
        @Override
        public void renderHead(IHeaderResponse response) {
            settings.setShowListOnEmptyInput(Boolean.TRUE.equals(UIUtils.getUIProperty(getScriptObject(),
                    application, IApplication.TYPE_AHEAD_SHOW_POPUP_WHEN_EMPTY, Boolean.TRUE)));
            settings.setShowListOnFocusGain(Boolean.TRUE.equals(UIUtils.getUIProperty(getScriptObject(),
                    application, IApplication.TYPE_AHEAD_SHOW_POPUP_ON_FOCUS_GAIN, Boolean.TRUE)));
            if (!getScriptObject().isReadOnly() && getScriptObject().isEnabled()) {
                super.renderHead(response);
                response.renderJavascript("Wicket.AutoCompleteSettings.enterHidesWithNoSelection = true;", //$NON-NLS-1$
                        "AutocompleteSettingsID"); //$NON-NLS-1$
            }
        }

        /**
         * @see org.apache.wicket.behavior.AbstractBehavior#isEnabled(org.apache.wicket.Component)
         */
        @Override
        public boolean isEnabled(Component component) {
            IFormUIInternal<?> formui = findParent(IFormUIInternal.class);
            if (formui != null && formui.isDesignMode()) {
                return false;
            }
            return super.isEnabled(component) && WebClientSession.get().useAjax();
        }
    };
    add(beh);
}

From source file:ontopoly.components.AssociationFieldAutoCompleteTextField.java

License:Apache License

public AssociationFieldAutoCompleteTextField(String id, IModel<Topic> model,
        final RoleFieldModel valueFieldModel) {
    super(id);/*w ww .j  a v a  2  s.  co  m*/

    AutoCompleteSettings opts = new AutoCompleteSettings();
    opts.setCssClassName("ontopoly-autocompleter");
    opts.setAdjustInputWidth(false);
    opts.setPreselect(true);

    this.textField = new AutoCompleteTextField<Topic>("autoComplete", model, Topic.class,
            new AbstractAutoCompleteRenderer<Topic>() {
                @Override
                protected String getTextValue(Topic o) {
                    return TOPIC_CONVERTER.convertToString(o);
                }

                @Override
                protected void renderChoice(Topic o, Response response, String criteria) {
                    response.write(o.getName());
                }
            }, opts) {

        @Override
        public IConverter getConverter(Class<?> type) {
            if (Topic.class.equals(type)) {
                return new TopicConverter();
            } else {
                return super.getConverter(type);
            }
        }

        @Override
        protected Iterator<Topic> getChoices(String input) {
            List<Topic> result = new ArrayList<Topic>(
                    valueFieldModel.getRoleField().searchAllowedPlayers(input));
            filterPlayers(result);
            Collections.sort(result, TopicComparator.INSTANCE);
            return result.iterator();
        }

        @Override
        protected void onModelChanged() {
            super.onModelChanged();
            Topic topic = getModelObject();
            if (topic != null) {
                AssociationFieldAutoCompleteTextField.this.onTopicSelected(topic);
            }
        }
    };
    add(textField);
}

From source file:org.geoserver.gwc.web.diskquota.JDBCConnectionPoolPanel.java

License:Open Source License

@SuppressWarnings("unchecked")
public JDBCConnectionPoolPanel(String id, IModel<ConnectionPoolConfiguration> model) {
    super(id, model);

    TextField<String> driver = new TextField<String>("jdbcDriver", new PropertyModel<String>(model, "driver"));
    driver.setRequired(true);//from   ww  w . ja va  2  s  . c  o m
    AutoCompleteSettings as = new AutoCompleteSettings();
    as.setPreselect(true).setShowListOnEmptyInput(true).setShowCompleteListOnFocusGain(true);
    driver.add(new ContainsAutoCompleteBehavior("org.postgresql.Driver", "oracle.jdbc.driver.OracleDriver",
            "org.h2.Driver"));
    add(driver);

    TextField<String> url = new TextField<String>("jdbcUrl", new PropertyModel<String>(model, "url"));
    url.setRequired(true);
    url.add(new ContainsAutoCompleteBehavior("jdbc:h2://{server}:{9092}/{db-name}",
            "jdbc:postgresql:[{//host}[:{5432}/]]{database}",
            "jdbc:oracle:thin:@{server}[:{1521}]:{database_name}"));

    add(url);

    TextField<String> user = new TextField<String>("jdbcUser", new PropertyModel<String>(model, "username"));
    add(user);

    PasswordTextField password = new PasswordTextField("jdbcPassword",
            new PropertyModel<String>(model, "password"));
    password.setResetPassword(false);
    add(password);

    TextField<Integer> minConnections = new TextField<Integer>("jdbcMinConnections",
            new PropertyModel<Integer>(model, "minConnections"));
    minConnections.setRequired(true);
    minConnections.add(new MinimumValidator<Integer>(0));
    add(minConnections);

    TextField<Integer> maxConnections = new TextField<Integer>("jdbcMaxConnections",
            new PropertyModel<Integer>(model, "maxConnections"));
    maxConnections.setRequired(true);
    maxConnections.add(new MinimumValidator<Integer>(1));
    add(maxConnections);

    TextField<Integer> connectionTimeout = new TextField<Integer>("jdbcConnectionTimeout",
            new PropertyModel<Integer>(model, "connectionTimeout"));
    connectionTimeout.setRequired(true);
    connectionTimeout.add(new MinimumValidator<Integer>(1));
    add(connectionTimeout);

    TextField<String> validationQuery = new TextField<String>("jdbcValidationQuery",
            new PropertyModel<String>(model, "validationQuery"));
    add(validationQuery);

    TextField<Integer> maxOpenPreparedStatements = new TextField<Integer>("jdbcMaxOpenPreparedStatements",
            new PropertyModel<Integer>(model, "maxOpenPreparedStatements"));
    maxOpenPreparedStatements.setRequired(true);
    maxOpenPreparedStatements.add(new MinimumValidator<Integer>(0));
    add(maxOpenPreparedStatements);
}