Examples of org.apache.click.ActionListener

org.apache.click.ActionListener
Provides a listener interface for receiving control action events. The usage model is similar to the java.awt.event.ActionListener interface.
The class that is interested in processing an action event implements this interface, and the object created with that class is registered with a control, using the controls's setActionListener method. When the action event occurs, that object's onAction method is invoked.
Listener Example
An ActionListener example is provided below:
```
 public MyPage extends Page { public ActionLink link = new ActionLink(); public MyPage() { link.setActionListener(new ActionListener() { public boolean onAction(Control source) { return onLinkClick(); } }); } public boolean onLinkClick() { .. return true; } } 
```

    @Override
    public void onInit() {
        super.onInit();


        ActionLink link = new ActionLink("export");
        link.setActionListener(new ActionListener() {
            public boolean onAction(Control source) {
                export();
                return false;
            }
        });

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    public boolean onProcess() {
        getExpandLink().onProcess();
        getSelectLink().onProcess();
        bindRequestValue();


        ActionEventDispatcher.dispatchActionEvent(this, new ActionListener() {
            public boolean onAction(Control source) {
                return postProcess();
            }
        });
        return true;

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        throws IOException;


    protected abstract String getFilename();


    protected void setActionListener(AbstractControl control) {
        control.setActionListener(new ActionListener() {


            public boolean onAction(Control source) {
                setSelected(true);
                return true;
            }

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        editLink.setTitle("Edit Job");
        addControl(editLink);


        pauseLink.setAttribute("class", "actionIcon");
        pauseLink.setTitle("Pause Job");
        pauseLink.setActionListener(new ActionListener(){
            private static final long serialVersionUID = 1L;


            public boolean onAction(Control source) {
                String name = pauseLink.getValue();
                getSchedulerService().pauseJob(name);
                setFlashMessage("Paused job '" + name + "'");
                return true;
            }
        });
        addControl(pauseLink);


        interruptLink.setAttribute("class", "actionIcon");
        interruptLink.setTitle("Interrupt Running Job");
        interruptLink.setActionListener(new ActionListener(){
            private static final long serialVersionUID = 1L;


            public boolean onAction(Control source) {
                String name = interruptLink.getValue();
                if (getSchedulerService().interruptJob(name)) {
                    setFlashMessage("Interrupted job '" + name + "'");
                } else {
                    setFlashMessage("Could not interrupt job '" + name + "'");
                }
                return true;
            }
        });
        addControl(interruptLink);


        triggerLink.setAttribute("class", "actionIcon");
        triggerLink.setTitle("Trigger Job");
        triggerLink.setActionListener(new ActionListener(){
            private static final long serialVersionUID = 1L;


            public boolean onAction(Control source) {
                String name = triggerLink.getValue();
                getSchedulerService().triggerJob(name);
                setFlashMessage("Triggered job '" + name +  "'");
                return true;
            }
        });
        addControl(triggerLink);


        resumeLink.setAttribute("class", "actionIcon");
        resumeLink.setTitle("Resume Job");
        resumeLink.setActionListener(new ActionListener(){
            private static final long serialVersionUID = 1L;


            public boolean onAction(Control source) {
                String name = resumeLink.getValue();
                getSchedulerService().resumeJob(name);
                setFlashMessage("Resumed job '" + name + "'");
                return true;
            }
        });
        addControl(resumeLink);


        deleteLink.setAttribute("class", "actionIcon");
        deleteLink.setTitle("Delete Job");
        String confirmMessage = getMessage("deleteConfirm", "Job");
        deleteLink.setAttribute("onclick", "return window.confirm('" + confirmMessage + "')");
        deleteLink.setActionListener(new ActionListener(){
            private static final long serialVersionUID = 1L;


            public boolean onAction(Control source) {
                String name = deleteLink.getValue();
                if (getSchedulerService().deleteJob(name)) {
                    setFlashMessage("Deleted job '" + name + "'");
                } else {
                    setFlashMessage("Could not delete " + name);
                }
                return true;
            }
        });
        addControl(deleteLink);


        // Add table action column if user has edit or delete permissions
        final Column actionColumn = new Column("action");


        // Render action controls based on users permission
        actionColumn.setDecorator(new Decorator() {
            public String render(Object object, Context context) {
                JobAndSimpleTrigger jobAndTrigger = (JobAndSimpleTrigger) object;


                HtmlStringBuffer buffer = new HtmlStringBuffer();


                editLink.setParameter("job.name", jobAndTrigger.getJob().getName());
                editLink.render(buffer);


                buffer.append(" | ");
                deleteLink.setValue(jobAndTrigger.getJob().getName());
                deleteLink.render(buffer);


                if (!getSchedulerService().isPaused()) {


                    if (jobAndTrigger.getTriggerState() == Trigger.STATE_PAUSED) {
                        buffer.append(" | ");
                        resumeLink.setValue(jobAndTrigger.getJob().getName());
                        resumeLink.render(buffer);


                    } else {
                        buffer.append(" | ");
                        pauseLink.setValue(jobAndTrigger.getJob().getName());
                        pauseLink.render(buffer);
                    }


                    buffer.append(" | ");
                    triggerLink.setValue(jobAndTrigger.getJob().getName());
                    triggerLink.render(buffer);


                    if (jobAndTrigger.getTriggerState() == Trigger.STATE_BLOCKED) {
                        buffer.append(" | ");
                        interruptLink.setValue(jobAndTrigger.getJob().getName());
                        interruptLink.render(buffer);
                    }
                }


                return buffer.toString();
            }


        });
        actionColumn.setSortable(false);
        table.addColumn(actionColumn);


        // Add Control Buttons.


        newJob.setActionListener(new ActionListener(){
            private static final long serialVersionUID = 1L;


            public boolean onAction(Control source) {
                setRedirect(QuartzJobAndTriggerPage.class);
                return false;

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     * Create a new Page instance.
     */
    public ControlListenerType2Page() {
        addControl(myLink);


        myLink.setActionListener(new ActionListener() {
            private static final long serialVersionUID = 1L;


            public boolean onAction(Control control) {
                 String msg = "ControlListenerPage#" + hashCode()
                 + " object method <tt>onAction()</tt> invoked.";

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    public ActionDemo() {
        addControl(link);
        addControl(button);


        link.setActionListener(new ActionListener() {
            private static final long serialVersionUID = 1L;


            public boolean onAction(Control source) {
                String msg = source.getClass().getName() + ".onAction invoked at " + (new Date());
                addModel("msg", msg);

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        });


        // Below we setup the table to preserve it's state (sorting and paging)
        // while editing customers


        table.getControlLink().setActionListener(new ActionListener() {


            public boolean onAction(Control source) {
                // Save Table sort and paging state between requests.
                // NOTE: we set the listener on the table's Link control which is invoked
                // when the Link is clicked, such as when paging or sorting.

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        // Restore form and table state from the session
        form.restoreState(context);
        table.restoreState(context);


        table.getControlLink().setActionListener(new ActionListener() {
            public boolean onAction(Control source) {
                // Save Table sort and paging state between requests.
                // NOTE: we set the listener on the table's Link control which is invoked
                // when the Link is clicked, such as when paging or sorting.
                // This ensures the table state is only saved when the state changes, and

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        localForm.setButtonAlign(Form.ALIGN_RIGHT);
        localForm.setErrorsPosition(Form.POSITION_MIDDLE);


        previous = new Submit("previous");
        previous.setLabel("< Previous");
        getPreviousButton().setActionListener(new ActionListener() {
            public boolean onAction(Control source) {
                return onPrevious();
            }
        });
        localForm.add(previous);
        if (!getWizardPage().hasPreviousStep()) {
            previous.setDisabled(true);
        }


        next = new Submit("next");
        next.setLabel("Next >");
        getNextButton().setActionListener(new ActionListener() {
            public boolean onAction(Control source) {
                return onNext();
            }
        });
        localForm.add(next);
        if (!getWizardPage().hasNextStep()) {
            next.setDisabled(true);
        }


        finish = new Submit("Finish");
        getFinishButton().setActionListener(new ActionListener() {
            public boolean onAction(Control source) {
                return onFinish();
            }
        });
        localForm.add(finish);
        if (!getWizardPage().isLastStep()) {
            finish.setDisabled(true);
        }


        cancel = new Submit("Cancel");
        getCancelButton().setActionListener(new ActionListener() {
            public boolean onAction(Control source) {
                return onCancel();
            }
        });
        localForm.add(cancel);

View Full Code Here


        // Add the submit link to the fieldSet
        fieldSet.add(submitLink);


        // The SubmitLink action listener
        submitLink.setActionListener(new ActionListener() {


            public boolean onAction(Control source) {
                String demo1Msg = submitLink.getName() + ".onAction invoked at "
                    + (new Date());
                addModel("demo1Msg", demo1Msg);

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org.apache.click.control.AbstractControl

org.apache.click.control.ButtonTest

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org.apache.click.examples.page.form.dynamic.DynamicFieldSet

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