Example usage for com.google.gwt.user.client.ui Button Button

List of usage examples for com.google.gwt.user.client.ui Button Button

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Introduction

In this page you can find the example usage for com.google.gwt.user.client.ui Button Button.

Prototype

public Button(String html, ClickHandler handler)

Source Link

Document

Creates a button with the given HTML caption and click listener.

Usage

From source file:com.google.gwt.gen2.demo.scrolltable.client.option.header.ColSpanOption.java

License:Apache License

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

    // Row selection
    final TextBox rowBox = new TextBox();
    rowBox.setText("1");
    rowBox.setWidth("50px");
    form.addLabeledWidget("Row Index:", rowBox);

    // Cell selection
    final TextBox cellBox = new TextBox();
    cellBox.setText("0");
    cellBox.setWidth("50px");
    form.addLabeledWidget("Cell Index:", cellBox);

    // Colspan selection
    final TextBox colSpanBox = new TextBox();
    colSpanBox.setText("1");
    colSpanBox.setWidth("50px");
    form.addLabeledWidget("ColSpan:", colSpanBox);

    // Rowspan selection
    final TextBox rowSpanBox = new TextBox();
    rowSpanBox.setText("1");
    rowSpanBox.setWidth("50px");
    form.addLabeledWidget("RowSpan:", rowSpanBox);

    // Add button to set the spans
    {//from  www  . j  av  a  2 s .c o m
        Button button = new Button("Set row/colspan", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int row = Integer.parseInt(rowBox.getText());
                    int cell = Integer.parseInt(cellBox.getText());
                    int rowSpan = Integer.parseInt(rowSpanBox.getText());
                    int colSpan = Integer.parseInt(colSpanBox.getText());
                    FlexTable headerTable = ScrollTableDemo.get().getHeaderTable();
                    headerTable.getFlexCellFormatter().setRowSpan(row, cell, rowSpan);
                    headerTable.getFlexCellFormatter().setColSpan(row, cell, colSpan);
                    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);
    }

    return form;
}

From source file:com.google.gwt.gen2.demo.scrolltable.client.option.header.InsertHeaderRowOption.java

License:Apache License

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

    // Row selection
    final TextBox rowBox = new TextBox();
    rowBox.setText("1");
    rowBox.setWidth("50px");
    form.addLabeledWidget("Row Index:", rowBox);

    // Add button to insert one row
    {// w  w  w.  j  a  v  a2 s . c  o  m
        Button button = new Button("Insert 1 Row", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int row = Integer.parseInt(rowBox.getText());
                    FlexTable headerTable = ScrollTableDemo.get().getHeaderTable();
                    headerTable.insertRow(row);
                    headerTable.setHTML(row, 0, " ");
                    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 button to remove a row
    {
        Button button = new Button("Remove Row", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int row = Integer.parseInt(rowBox.getText());
                    ScrollTableDemo.get().getHeaderTable().removeRow(row);
                    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);
    }

    // Cell selection
    final TextBox cellBox = new TextBox();
    cellBox.setText("0");
    cellBox.setWidth("50px");
    form.addLabeledWidget("Cell Index", cellBox);

    // Add button to insert one cell
    {
        Button button = new Button("Insert 1 Cell", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int row = Integer.parseInt(rowBox.getText());
                    int cell = Integer.parseInt(cellBox.getText());
                    FlexTable headerTable = ScrollTableDemo.get().getHeaderTable();
                    headerTable.insertCell(row, cell);
                    headerTable.setHTML(row, 0, " ");
                } 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 button to remove a cell
    {
        Button button = new Button("Remove Cell", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int row = Integer.parseInt(rowBox.getText());
                    int cell = Integer.parseInt(cellBox.getText());
                    ScrollTableDemo.get().getHeaderTable().removeCell(row, cell);
                } 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);
    }

    return form;
}

From source file:com.google.gwt.gen2.demo.scrolltable.client.option.header.SetHeaderTextOption.java

License:Apache License

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

    // Row selection
    final TextBox rowBox = new TextBox();
    rowBox.setText("1");
    rowBox.setWidth("50px");
    form.addLabeledWidget("Row Index", rowBox);

    // Column selection
    final TextBox columnBox = new TextBox();
    columnBox.setText("2");
    columnBox.setWidth("50px");
    form.addLabeledWidget("Column Index", columnBox);

    // Text selection
    final TextBox textBox = new TextBox();
    textBox.setText("<b>Hello World</b>");
    form.addLabeledWidget("Text", textBox);

    // Add button to set text
    {/*from   w  ww  .j a va2s. c  om*/
        Button button = new Button("Set Cell Text", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int row = Integer.parseInt(rowBox.getText());
                    int column = Integer.parseInt(columnBox.getText());
                    String text = textBox.getText();
                    ScrollTableDemo.get().getHeaderTable().setText(row, column, text);
                } 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 button to set html
    {
        Button button = new Button("Set Cell HTML", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int row = Integer.parseInt(rowBox.getText());
                    int column = Integer.parseInt(columnBox.getText());
                    String text = textBox.getText();
                    ScrollTableDemo.get().getHeaderTable().setHTML(row, column, text);
                } 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);
    }

    return form;
}

From source file:com.google.gwt.gen2.demo.scrolltable.client.option.highlight.RowSelectionPolicyOption.java

License:Apache License

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

    // Add the current status
    statusLabel = new Label();
    form.addLabeledWidget("Selection Status:", statusLabel);

    // Add the current policy
    policyBox = new ListBox();
    policyBox.addItem("Multi Row");
    policyBox.addItem("Single Row");
    policyBox.addItem("Checkboxes");
    policyBox.addItem("Radio Buttons");
    form.addLabeledWidget("Selection Policy:", policyBox);

    // Add button to change policy
    {/* w  w  w .j  a va2s.  c o  m*/
        Button button = new Button("Set Selection Policy", new ClickHandler() {
            public void onClick(ClickEvent event) {
                SelectionGrid grid = ScrollTableDemo.get().getDataTable();
                switch (policyBox.getSelectedIndex()) {
                case 0:
                    grid.setSelectionPolicy(SelectionPolicy.MULTI_ROW);
                    break;
                case 1:
                    grid.setSelectionPolicy(SelectionPolicy.ONE_ROW);
                    break;
                case 2:
                    grid.setSelectionPolicy(SelectionPolicy.CHECKBOX);
                    break;
                case 3:
                    grid.setSelectionPolicy(SelectionPolicy.RADIO);
                    break;
                }
                PagingScrollTableDemo.get().getPagingScrollTable().reloadPage();
            }
        });
        form.addButton(button);
    }

    // Add button to change status
    {
        Button button = new Button("Toggle Status", new ClickHandler() {
            public void onClick(ClickEvent event) {
                SelectionGrid grid = ScrollTableDemo.get().getDataTable();
                grid.setSelectionEnabled(!grid.isSelectionEnabled());
                refreshPolicy();
            }
        });
        form.addButton(button);
    }

    // Refresh policy and return
    refreshPolicy();
    return form;
}

From source file:com.google.gwt.gen2.demo.scrolltable.client.option.log.LogOption.java

License:Apache License

@Override
protected Widget onInitialize() {
    layout = new FlexTable();

    // Create the log area
    logLabel = new HTML();
    logLabel.setHeight("200px");
    DOM.setStyleAttribute(logLabel.getElement(), "font", "8pt/10pt courier");
    ScrollPanel scrollPanel = new ScrollPanel(logLabel);
    scrollPanel.setPixelSize(500, 200);//from  ww w  .j av  a 2s  .com
    DOM.setStyleAttribute(scrollPanel.getElement(), "border", "1px solid black");
    layout.setWidget(0, 0, scrollPanel);
    layout.getFlexCellFormatter().setColSpan(0, 0, 2);

    // Add a clear button
    Button clearButton = new Button("Clear Log", new ClickHandler() {
        public void onClick(ClickEvent event) {
            logLabel.setHTML("");
            lineCount = 0;
        }
    });
    layout.setWidget(1, 0, clearButton);
    layout.getFlexCellFormatter().setColSpan(1, 0, 2);

    // Add labels for highlighting
    final Label highlightedCellLabel = new Label("Highlighted cell:");
    final Label highlightedRowLabel = new Label("Highlighted row:");
    final Label unhighlightedCellLabel = new Label("Last unhighlighted cell:");
    final Label unhighlightedRowLabel = new Label("Last unhighlighted row:");
    layout.setWidget(2, 0, highlightedCellLabel);
    layout.setWidget(3, 0, highlightedRowLabel);
    layout.setWidget(2, 1, unhighlightedRowLabel);
    layout.setWidget(3, 1, unhighlightedCellLabel);

    // Add all of the listeners
    FixedWidthGrid dataTable = ScrollTableDemo.get().getDataTable();
    dataTable.addTableListener(new TableListener() {
        public void onCellClicked(SourcesTableEvents sender, int row, int cell) {
            addLogEntry("cell clicked: (" + row + "," + cell + ")", "#ff00ff");
        }
    });
    dataTable.addColumnSortHandler(new ColumnSortHandler() {
        public void onColumnSorted(ColumnSortEvent event) {
            ColumnSortList sortList = event.getColumnSortList();
            int column = -1;
            boolean ascending = true;
            if (sortList != null) {
                column = sortList.getPrimaryColumn();
                ascending = sortList.isPrimaryAscending();
            }
            if (ascending) {
                addLogEntry("sorted column: " + column + " (ascending)", "black");
            } else {
                addLogEntry("sorted column: " + column, "black");
            }
        }
    });
    dataTable.addCellHighlightHandler(new CellHighlightHandler() {
        public void onCellHighlight(CellHighlightEvent event) {
            Cell cell = event.getValue();
            highlightedCellLabel
                    .setText("Highlighted cell: (" + cell.getRowIndex() + "," + cell.getCellIndex() + ")");
        }
    });
    dataTable.addCellUnhighlightHandler(new CellUnhighlightHandler() {
        public void onCellUnhighlight(CellUnhighlightEvent event) {
            Cell cell = event.getValue();
            unhighlightedCellLabel.setText(
                    "Last unhighlighted cell: (" + cell.getRowIndex() + "," + cell.getCellIndex() + ")");
        }
    });
    dataTable.addRowHighlightHandler(new RowHighlightHandler() {
        public void onRowHighlight(RowHighlightEvent event) {
            Row cell = event.getValue();
            highlightedRowLabel.setText("Highlighted row: (" + cell.getRowIndex() + ")");
        }
    });
    dataTable.addRowUnhighlightHandler(new RowUnhighlightHandler() {
        public void onRowUnhighlight(RowUnhighlightEvent event) {
            Row cell = event.getValue();
            unhighlightedRowLabel.setText("Last unhighlighted row: (" + cell.getRowIndex() + ")");
        }
    });
    dataTable.addRowSelectionHandler(new RowSelectionHandler() {
        public void onRowSelection(RowSelectionEvent event) {
            // Show the previously selected rows
            Set<Row> deselectedRows = event.getDeselectedRows();
            String previous = "Previously selected rows: ";
            for (Row row : event.getOldValue()) {
                if (deselectedRows.contains(row)) {
                    previous += "-";
                }
                previous += row.getRowIndex() + ", ";
            }
            addLogEntry(previous, "green");

            // Show the currently selected rows
            Set<Row> selectedRows = event.getSelectedRows();
            String current = "Currently selected rows: ";
            for (Row row : event.getNewValue()) {
                if (selectedRows.contains(row)) {
                    current += "+";
                }
                current += row.getRowIndex() + ", ";
            }

            addLogEntry(current, "green");
        }
    });

    // Paging specific options
    if (PagingScrollTableDemo.get() != null) {
        PagingScrollTable<Student> pagingScrollTable = PagingScrollTableDemo.get().getPagingScrollTable();
        if (pagingScrollTable != null) {
            pagingScrollTable.addPageChangeHandler(new PageChangeHandler() {
                public void onPageChange(PageChangeEvent event) {
                    pageLoadDuration = new Duration();
                }
            });

            pagingScrollTable.addPageLoadHandler(new PageLoadHandler() {
                public void onPageLoad(PageLoadEvent event) {
                    // Convert to 1 based index
                    int page = event.getPage() + 1;
                    int duration = -1;
                    if (pageLoadDuration != null) {
                        duration = pageLoadDuration.elapsedMillis();
                        pageLoadDuration = null;
                    }
                    String text = "Page " + page + " loaded in " + duration + "ms";
                    addLogEntry(text, "black");
                }
            });
        }
    }

    return layout;
}

From source file:com.google.gwt.gen2.demo.scrolltable.client.option.paging.CacheSizeOption.java

License:Apache License

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

    // Pre cache size
    final TextBox preCacheBox = new TextBox();
    preCacheBox.setText("50");
    preCacheBox.setWidth("50px");
    form.addLabeledWidget("Pre Cache Size:", preCacheBox);

    // Post cache size
    final TextBox postCacheBox = new TextBox();
    postCacheBox.setText("50");
    postCacheBox.setWidth("50px");
    form.addLabeledWidget("Post Cache Size:", postCacheBox);

    // Add button to set the row count
    {/*  w  ww.j a va  2  s  .c  om*/
        Button button = new Button("Set Cache Size", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int preCache = Integer.parseInt(preCacheBox.getText());
                    int postCache = Integer.parseInt(postCacheBox.getText());
                    PagingScrollTableDemo.get().getCachedTableModel().setPreCachedRowCount(preCache);
                    PagingScrollTableDemo.get().getCachedTableModel().setPostCachedRowCount(postCache);
                } catch (NumberFormatException e) {
                    Window.alert("Please enter valid integers for the row and column.");
                }
            }
        });
        form.addButton(button);
    }

    return form;
}

From source file:com.google.gwt.gen2.demo.scrolltable.client.option.paging.CrossPageSelectionOption.java

License:Apache License

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

    // Add the current status
    statusLabel = new Label();
    form.addLabeledWidget("Current Status:", statusLabel);
    refreshStatus();/*from w  w  w.j  a  v  a 2 s.c o  m*/

    // Add button to change status
    {
        Button button = new Button("Toggle Cross Page Selection", new ClickHandler() {
            public void onClick(ClickEvent event) {
                boolean enabled = PagingScrollTableDemo.get().getPagingScrollTable()
                        .isCrossPageSelectionEnabled();
                PagingScrollTableDemo.get().getPagingScrollTable().setCrossPageSelectionEnabled(!enabled);
                refreshStatus();
            }
        });
        form.addButton(button);
    }

    return form;
}

From source file:com.google.gwt.gen2.demo.scrolltable.client.option.paging.ModeSelectionOption.java

License:Apache License

@Override
protected Widget onInitialize() {
    layout.setBorderWidth(2);// ww w.  j a va  2s.  c  om

    // Labels
    {
        int rowCount = layout.getRowCount();
        layout.setHTML(rowCount, 0, "<b>Mode</b>");
        layout.setHTML(rowCount, 1, "<b>Status</b>");
        layout.setHTML(rowCount, 2, "<b>Description</b>");
    }

    // Error Mode
    {
        final int rowCount = layout.getRowCount();
        Button button = new Button("Toggle Error Mode", new ClickHandler() {
            public void onClick(ClickEvent event) {
                if (PagingScrollTableDemo.get().getTableModel().isErrorModeEnabled()) {
                    PagingScrollTableDemo.get().getTableModel().setErrorModeEnabled(false);
                    layout.setText(rowCount, 1, "disabled");
                } else {
                    PagingScrollTableDemo.get().getTableModel().setErrorModeEnabled(true);
                    layout.setText(rowCount, 1, "enabled");
                }
            }
        });
        layout.setWidget(rowCount, 0, button);
        layout.setText(rowCount, 1, "disabled");
        layout.setText(rowCount, 2, "If the table model throws an error during "
                + "a paging request, the ScrollTable will display the error " + "gracefully.");
    }

    // RPC Mode
    {
        final int rowCount = layout.getRowCount();
        Button button = new Button("Toggle RPC Mode", new ClickHandler() {
            public void onClick(ClickEvent event) {
                if (PagingScrollTableDemo.get().getTableModel().isRPCModeEnabled()) {
                    PagingScrollTableDemo.get().getTableModel().setRPCModeEnabled(false);
                    layout.setText(rowCount, 1, "disabled");
                } else {
                    PagingScrollTableDemo.get().getTableModel().setRPCModeEnabled(true);
                    layout.setText(rowCount, 1, "enabled");
                }
            }
        });
        layout.setWidget(rowCount, 0, button);
        layout.setText(rowCount, 1, "disabled");
        layout.setText(rowCount, 2, "Retrieve data from a server using an RPC "
                + "request instead of generating data locally. " + "This requests an RPC server.");
    }

    // Zero Mode
    {
        final int rowCount = layout.getRowCount();
        Button button = new Button("Toggle Zero Mode", new ClickHandler() {
            public void onClick(ClickEvent event) {
                if (PagingScrollTableDemo.get().getTableModel().isZeroModeEnabled()) {
                    PagingScrollTableDemo.get().getTableModel().setZeroModeEnabled(false);
                    layout.setText(rowCount, 1, "disabled");
                } else {
                    PagingScrollTableDemo.get().getTableModel().setZeroModeEnabled(true);
                    layout.setText(rowCount, 1, "enabled");
                }
            }
        });
        layout.setWidget(rowCount, 0, button);
        layout.setText(rowCount, 1, "disabled");
        layout.setText(rowCount, 2, "Enable to return zero results for each "
                + "request, resulting in a special widget being display.");
    }

    // Add the description
    return layout;
}

From source file:com.google.gwt.gen2.demo.scrolltable.client.option.paging.PageSizeOption.java

License:Apache License

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

    // Num rows selection
    final TextBox rowCountBox = new TextBox();
    rowCountBox.setText("1000");
    rowCountBox.setWidth("50px");
    form.addLabeledWidget("Total Row Count:", rowCountBox);

    // Add button to set the row count
    {/* ww  w.  j a v  a2s . c o  m*/
        Button button = new Button("Set Total Row Count", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int rowCount = Integer.parseInt(rowCountBox.getText());
                    PagingScrollTableDemo.get().getCachedTableModel().setRowCount(rowCount);
                } catch (NumberFormatException e) {
                    Window.alert("Please enter valid integers for the row and column.");
                }
            }
        });
        form.addButton(button);
    }

    // Page Size selection
    final TextBox pageSizeBox = new TextBox();
    pageSizeBox.setText("10");
    pageSizeBox.setWidth("50px");
    form.addLabeledWidget("Page Size", pageSizeBox);

    // Add button to insert one cell
    {
        Button button = new Button("Set Page Size", new ClickHandler() {
            public void onClick(ClickEvent event) {
                try {
                    int pageSize = Integer.parseInt(pageSizeBox.getText());
                    PagingScrollTableDemo.get().getPagingScrollTable().setPageSize(pageSize);
                } catch (NumberFormatException e) {
                    Window.alert("Please enter valid integers for the row and column.");
                }
            }
        });
        form.addButton(button);
    }

    return form;
}

From source file:com.google.gwt.gen2.demo.scrolltable.client.option.setup.ResizeCheckingOption.java

License:Apache License

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

    // Add the current status
    statusLabel = new Label();
    form.addLabeledWidget("Current Status:", statusLabel);
    refreshStatus();//from  ww w.j av  a2 s. c om

    // Add button to change status
    {
        Button button = new Button("Toggle Resize Checking", new ClickHandler() {
            public void onClick(ClickEvent event) {
                ResizableWidgetCollection.get()
                        .setResizeCheckingEnabled(!ResizableWidgetCollection.get().isResizeCheckingEnabled());
                refreshStatus();
            }
        });
        form.addButton(button);
    }

    // Add a button to resize the table now
    {
        Button button = new Button("Redraw Now", new ClickHandler() {
            public void onClick(ClickEvent event) {
                ScrollTableDemo.get().getScrollTable().redraw();
            }
        });
        form.addButton(button);
    }

    return form;
}