Examples of org.apache.click.control.Column

org.apache.click.control.Column
Provides the Column table data <td> and table header <th> renderer.

Id Name Category Action

834501 Alison Smart Residential Property View

238454 Angus Robins Bonds View

784191 Ann Melan Residential Property View

The Column object provide column definitions for the {@link Table} object.
Column Options
The Column class supports a number of rendering options which include:
- {@link #autolink} - the option to automatically render href linksfor email and URL column values
- {@link #attributes} - the CSS style attributes for the table data cell
- {@link #dataClass} - the CSS class for the table data cell
- {@link #dataStyles} - the CSS styles for the table data cell
- {@link #decorator} - the custom column value renderer
- {@link #format} - the MessageFormat pattern renderingthe column value
- {@link #headerClass} - the CSS class for the table header cell
- {@link #headerStyles} - the CSS styles for the table header cell
- {@link #headerTitle} - the table header cell value to render
- {@link #sortable} - the table column sortable property
- {@link #width} - the table cell width property
Format Pattern
The {@link #format} property which specifies {@link MessageFormat} patterna is very useful for formatting column values. For example to render formatted number and date values you simply specify:
```
 Table table = new Table("table"); table.setClass("isi"); Column idColumn = new Column("purchaseId", "ID"); idColumn.setFormat("{0,number,#,###}"); table.addColumn(idColumn); Column priceColumn = new Column("purchasePrice", "Price"); priceColumn.setFormat("{0,number,currency}"); priceColumn.setTextAlign("right"); table.addColumn(priceColumn); Column dateColumn = new Column("purchaseDate", "Date"); dateColumn.setFormat("{0,date,dd MMM yyyy}"); table.addColumn(dateColumn); Column orderIdColumn = new Column("order.id", "Order ID"); table.addColumn(orderIdColumn);  
```
Column Decorators
The support custom column value rendering you can specify a {@link Decorator}class on columns. The decorator render method is passed the table row object and the page request Context. Using the table row you can access all the column values enabling you to render a compound value composed of multiple column values. For example:
```
 Column column = new Column("email"); column.setDecorator(new Decorator() { public String render(Object row, Context context) { Person person = (Person) row; String email = person.getEmail(); String fullName = person.getFullName(); return "<a href='mailto:" + email + "'>" + fullName + "</a>"; } }); table.addColumn(column); 
```
The Context parameter of the decorator render() method enables you to render controls to provide additional functionality. For example:
```
 public class CustomerList extends BorderedPage { private Table table = new Table("table"); private ActionLink viewLink = new ActionLink("view"); public CustomerList() { viewLink.setListener(this, "onViewClick"); viewLink.setLabel("View"); viewLink.setAttribute("title", "View customer details"); table.addControl(viewLink); table.addColumn(new Column("id")); table.addColumn(new Column("name")); table.addColumn(new Column("category")); Column column = new Column("Action"); column.setDecorator(new Decorator() { public String render(Object row, Context context) { Customer customer = (Customer) row; viewLink.setValue("" + customer.getId()); return viewLink.toString(); } }); table.addColumn(column); addControl(table); } public boolean onViewClick() { String path = getContext().getPagePath(Logout.class); setRedirect(path + "?id=" + viewLink.getValue()); return true; } } 
```
Internationalization
Column header titles can be localized using the controls parent messages. If the column header title value is null, the column will attempt to find a localized message in the parent messages using the key:
getName() + ".headerTitle"
If not found then the message will be looked up in the /click-control.properties file using the same key. If a value still cannot be found then the Column name will be converted into a header title using the method: {@link ClickUtils#toLabel(String)}.
@see Decorator @see Table

        table.setSortable(true);
        table.setStyle("margin-left", "0.25em;");


        // Define columns


        Column column = new Column("job.name", "Job Name");
        column.setTitleProperty("job.description");
        table.addColumn(column);


        final Column statusColumn = new Column("triggerStateAsString", "Status");
        statusColumn.setEscapeHtml(false);
        statusColumn.setDecorator(new Decorator() {
            public String render(Object row, Context context) {
                JobAndSimpleTrigger jobAndTrigger = (JobAndSimpleTrigger) row;
                switch(jobAndTrigger.getTriggerState()){
                case Trigger.STATE_NONE:
                    return "<span style='color:red'>None</span>";
                case Trigger.STATE_NORMAL:
                    return "<span style='color:blue'>Normal</span>";
                case Trigger.STATE_PAUSED:
                    return "<span style='color:red'>Paused</span>";
                case Trigger.STATE_BLOCKED:
                    return "<span style='color:green'>Running</span>";
                case Trigger.STATE_COMPLETE:
                    return "<span style='color:black'>Complete</span>";
                case Trigger.STATE_ERROR:
                    return "<span style='color:red'>Error</span>";
                }
                return "Unknown";
            }
        });
        table.addColumn(statusColumn);


        table.addColumn(new Column("interval"));


        column = new Column("trigger.nextFireTime", "Next Run");
        column.setFormat(DATE_FORMAT);
        table.addColumn(column);


        column = new Column("trigger.startTime", "First Run");
        column.setFormat(DATE_FORMAT);
        table.addColumn(column);


        column = new Column("trigger.previousFireTime", "Last Run");
        column.setFormat(DATE_FORMAT);
        table.addColumn(column);


        // Initialized action column links


        editLink.setAttribute("class", "actionIcon");
        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(){

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            int firstRow = getFirstRow();
            int lastRow = getLastRow();


            for (int i = 0; i < getColumnList().size(); i++) {
                Column column = (Column) getColumnList().get(i);
                if (column instanceof FieldColumn) {
                    Field field = ((FieldColumn) column).getField();


                    if (field != null) {
                        for (int j = firstRow; j < lastRow; j++) {
                            field.setName(column.getName() + "_" + j);


                            headElements.addAll(field.getHeadElements());
                        }
                    }
                }

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            for (int i = firstRow; i < lastRow; i++) {
                Object row = rowList.get(i);


                for (int j = 0; j < columnList.size(); j++) {


                    Column column = (Column) columnList.get(j);


                    if (column instanceof FieldColumn) {
                        FieldColumn fieldColumn = (FieldColumn) column;
                        Field field = fieldColumn.getField();


                        if (field != null) {
                            field.setName(column.getName() + "_" + i);


                            field.onProcess();


                            if (field.isValid()) {
                                fieldColumn.setProperty(row, column.getName(),
                                    field.getValueObject());
                            } else {
                                getForm().setError(getMessage("formtable-error"));
                            }
                        }

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        // Complete form initialization
        form.add(new Submit("save", " Save ", this, "onSaveClick"));
        form.add(new Submit("cancel", "Cancel", this, "onCancelClick"));


        // Complete table initialization
        Column column = new Column("Action");
        column.setSortable(false);
        column.setAttribute("width", "100px;");
        ActionLink[] links = new ActionLink[]{editLink, removeLink};
        column.setDecorator(new LinkDecorator(table, links, "id"));
        table.addColumn(column);


        removeLink.setAttribute("onclick", "return window.confirm('Are you sure you want to delete this record?');");
    }

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        };


        // Setup customers table
        table.setClass(Table.CLASS_ITS);


        Column column = new Column("name");
        column.setWidth("140px;");
        table.addColumn(column);


        column = new Column("email");
        column.setAutolink(true);
        column.setWidth("230px;");
        table.addColumn(column);


        column = new Column("age");
        column.setTextAlign("center");
        column.setWidth("40px;");
        table.addColumn(column);


        column = new Column("holdings");
        column.setFormat("${0,number,#,##0.00}");
        column.setTextAlign("right");
        column.setWidth("100px;");
        table.addColumn(column);
    }

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        // Setup customers table
        table.setClass(Table.CLASS_SIMPLE);
        table.setHoverRows(true);
        table.setSortable(true);


        Column column = new Column("id");
        column.setSortable(false);
        table.addColumn(column);


        table.addColumn(new Column("name"));


        column = new Column("email");
        column.setAutolink(true);
        table.addColumn(column);


        column = new Column("age");
        column.setTextAlign("center");
        table.addColumn(column);


        column = new Column("holdings");
        column.setFormat("${0,number,#,##0.00}");
        column.setTextAlign("right");
        table.addColumn(column);


        column = new Column("active");
        column.setTextAlign("center");
        table.addColumn(column);
    }

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        table.setSortable(true);


        table.setPaginator(new TableInlinePaginator(table));
        table.setPaginatorAttachment(Table.PAGINATOR_INLINE);


        Column column = new Column("id");
        column.setWidth("50px");
        column.setSortable(false);
        table.addColumn(column);


        column = new Column("name");
        column.setWidth("140px;");
        table.addColumn(column);


        column = new Column("email");
        column.setAutolink(true);
        column.setWidth("230px;");
        table.addColumn(column);


        column = new Column("age");
        column.setTextAlign("center");
        column.setWidth("40px;");
        table.addColumn(column);


        column = new Column("holdings");
        column.setFormat("${0,number,#,##0.00}");
        column.setTextAlign("right");
        column.setWidth("100px;");
        table.addColumn(column);
    }

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    public TableDecorator() {
        // Setup customers table
        table.setClass(Table.CLASS_SIMPLE);


        Column column = new Column("name");
        column.setSortable(false);
        column.setDecorator(new Decorator() {
            public String render(Object row, Context context) {
                Customer customer = (Customer) row;
                String email = customer.getEmail();
                String name = customer.getName();
                return "<a href='mailto:" + email + "'>" + name + "</a>";
            }
        });
        table.addColumn(column);


        column = new Column("investments");
        column.setAutolink(true);
        table.addColumn(column);


        column = new Column("holdings");
        column.setFormat("${0,number,#,##0.00}");
        column.setTextAlign("right");
        table.addColumn(column);


        viewLink.setTitle("View customer details");


        editLink.setListener(this, "onEditClick");
        editLink.setTitle("Edit customer details");
        editLink.setParameter("referrer", "/table/table-decorator.htm");


        deleteLink.setTitle("Delete customer record");
        deleteLink.setAttribute("onclick", "return window.confirm('Are you sure you want to delete this record?');");


        column = new Column("Action");
        column.setDecorator(new Decorator() {
            public String render(Object row, Context context) {
                Customer customer = (Customer) row;
                String id = String.valueOf(customer.getId());


                viewLink.setValue(id);

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        table.setClass(Table.CLASS_ISI);
        table.setPageSize(4);
        table.setShowBanner(true);
        table.setSortable(true);


        Column column = new Column("name");
        column.setWidth("140px;");
        table.addColumn(column);


        column = new Column("email");
        column.setAutolink(true);
        column.setWidth("230px;");
        table.addColumn(column);


        column = new Column("age");
        column.setTextAlign("center");
        column.setWidth("40px;");
        table.addColumn(column);


        column = new Column("holdings");
        column.setFormat("${0,number,#,##0.00}");
        column.setTextAlign("right");
        column.setWidth("100px;");
        table.addColumn(column);
    }

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    private void addColumns(Table table) {
        table.setClass(Table.CLASS_ITS);
        table.setPageSize(4);


        Column column = new Column("name");
        column.setWidth("140px;");
        table.addColumn(column);


        column = new Column("email");
        column.setAutolink(true);
        column.setWidth("230px;");
        table.addColumn(column);


        column = new Column("age");
        column.setTextAlign("center");
        column.setWidth("40px;");
        table.addColumn(column);


        column = new Column("holdings");
        column.setFormat("${0,number,#,##0.00}");
        column.setTextAlign("right");
        column.setWidth("100px;");
        table.addColumn(column);
    }

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Examples of org.apache.click.control.Column

Column Options

Format Pattern

Column Decorators

Internationalization

Related Classes of org.apache.click.control.Column