Example usage for com.google.gwt.gen2.table.client AbstractScrollTable setSortPolicy

Introduction

In this page you can find the example usage for com.google.gwt.gen2.table.client AbstractScrollTable setSortPolicy.

Prototype

public void setSortPolicy(SortPolicy sortPolicy) 

Source Link

Document

Set the SortPolicy that defines what columns users can sort.

Usage

From source file:com.google.gwt.gen2.demo.scrolltable.client.option.sort.SortColumnOption.java

License:Apache License

@Override
protected Widget onInitialize() {
    CustomForm form = new CustomForm();

    // Add the current policy
    policyBox = new ListBox();
    policyBox.addItem("Disabled");
    policyBox.addItem("Single Cell");
    policyBox.addItem("Multi Cell");
    form.addLabeledWidget("Sort Policy:", policyBox);
    refreshPolicy();/* w  w w  .  j  a  v  a 2  s. c  o  m*/

    // Add button to change policy
    {
        Button button = new Button("Set Sort Policy", new ClickHandler() {
            public void onClick(ClickEvent event) {
                AbstractScrollTable scrollTable = ScrollTableDemo.get().getScrollTable();
                switch (policyBox.getSelectedIndex()) {
                case 0:
                    scrollTable.setSortPolicy(SortPolicy.DISABLED);
                    break;
                case 1:
                    scrollTable.setSortPolicy(SortPolicy.SINGLE_CELL);
                    break;
                case 2:
                    scrollTable.setSortPolicy(SortPolicy.MULTI_CELL);
                    break;
                }
            }
        });
        form.addButton(button);
    }

    // Select the column index
    final TextBox columnBox = new TextBox();
    columnBox.setText("3");
    columnBox.setWidth("50px");
    form.addLabeledWidget("Column Index:", columnBox);

    // Add a button to sort the column
    {
        Button button = new Button("Sort Column", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int column = Integer.parseInt(columnBox.getText());
                    ScrollTableDemo.get().getDataTable().sortColumn(column);
                    ScrollTableDemo.get().getScrollTable().redraw();
                } catch (NumberFormatException e) {
                    Window.alert("Please enter valid integers for the row and column.");
                } catch (IndexOutOfBoundsException e) {
                    Window.alert("The row or column index you entered is out of bounds.");
                }
            }
        });
        form.addButton(button);
    }

    // Add a button to make column sortable
    if (PagingScrollTableDemo.get() == null) {
        Button button = new Button("Make Sortable", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int column = Integer.parseInt(columnBox.getText());
                    ScrollTable scrollTable = (ScrollTable) ScrollTableDemo.get().getScrollTable();
                    scrollTable.setColumnSortable(column, true);
                } catch (NumberFormatException e) {
                    Window.alert("Please enter valid integers for the row and column.");
                }
            }
        });
        form.addButton(button);
    }

    // Add a button to make column unsortable
    if (PagingScrollTableDemo.get() == null) {
        Button button = new Button("Make Unsortable", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int column = Integer.parseInt(columnBox.getText());
                    ScrollTable scrollTable = (ScrollTable) ScrollTableDemo.get().getScrollTable();
                    scrollTable.setColumnSortable(column, false);
                } catch (NumberFormatException e) {
                    Window.alert("Please enter valid integers for the row and column.");
                }
            }
        });
        form.addButton(button);
    }

    return form;
}

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