Example usage for com.google.gwt.user.client Event setCapture

List of usage examples for com.google.gwt.user.client Event setCapture

  1. HOME
  2. Java
  3. com.google.gwt
  4. com.google.gwt.user.client.*
  5. Event
  6. setCapture

Introduction

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

Prototype

public static void setCapture(Element elem)

Source Link

Document

Sets mouse-capture on the given element.

Usage

From source file:at.ait.dme.yuma.client.colorpicker.SliderBar.java

License:Artistic License

/**
 * Fired whenever a browser event is received.
 * @param event Event to process/*  w w  w. j av a2s.c  o m*/
 */
@Override
public void onBrowserEvent(Event event) {
    switch (DOM.eventGetType(event)) {
    case Event.ONMOUSEUP:
        Event.releaseCapture(this.getElement());
        capturedMouse = false;
        break;
    case Event.ONMOUSEDOWN:
        Event.setCapture(this.getElement());
        capturedMouse = true;
    case Event.ONMOUSEMOVE:
        if (capturedMouse) {
            DOM.eventPreventDefault(event);

            int y = DOM.eventGetClientY(event) - getAbsoluteTop() + Window.getScrollTop();

            if (y < 0)
                y = 0;
            if (y > 256)
                y = 256;

            DOM.setStyleAttribute(slider.getElement(), "top", y - 4 + "px");

            if (parent != null) {
                parent.onBarSelected(y);
            }
        }
    }
}

From source file:at.ait.dme.yuma.client.colorpicker.SliderMap.java

License:Artistic License

/**
 * Fired whenever a browser event is received.
 * @param event Event to process/*w  w  w. j  av  a  2s  . c  o  m*/
 */
@Override
public void onBrowserEvent(Event event) {
    super.onBrowserEvent(event);

    switch (DOM.eventGetType(event)) {
    case Event.ONMOUSEUP:
        Event.releaseCapture(this.getElement());
        capturedMouse = false;
        break;
    case Event.ONMOUSEDOWN:
        Event.setCapture(this.getElement());
        capturedMouse = true;
    case Event.ONMOUSEMOVE:
        if (capturedMouse) {
            DOM.eventPreventDefault(event);

            int x = DOM.eventGetClientX(event) - colorUnderlay.getAbsoluteLeft() + 1 + Window.getScrollLeft();
            int y = DOM.eventGetClientY(event) - colorUnderlay.getAbsoluteTop() + 1 + Window.getScrollTop();

            if (x < 0)
                x = 0;
            if (x > 256)
                x = 256;
            if (y < 0)
                y = 0;
            if (y > 256)
                y = 256;

            DOM.setStyleAttribute(slider.getElement(), "left", x - 7 + "px");
            DOM.setStyleAttribute(slider.getElement(), "top", y - 7 + "px");

            if (parent != null) {
                parent.onMapSelected(x, y);
            }
        }
    }
}

From source file:com.lushprojects.circuitjs1.client.Scrollbar.java

License:Open Source License

void doMouseDown(int x, boolean mouse) {
    if (enabled) {
        if (x < HMARGIN + SCROLLHEIGHT) {
            if (val > min)
                val--;
        } else {/* w  w  w. j a v a  2s .c  o m*/
            if (x > CirSim.VERTICALPANELWIDTH - HMARGIN - SCROLLHEIGHT) {
                if (val < max)
                    val++;
            } else {
                val = calcValueFromPos(x);
                dragging = true;

                // setCapture doesn't work on touch for some reason; touchend/touchmoved events
                // don't get sent
                if (mouse)
                    Event.setCapture(can.getElement());
            }
        }
        draw();
        if (command != null)
            command.execute();
    }
}

From source file:com.risevision.ui.client.common.widgets.colorPicker.SliderBar.java

License:Artistic License

/**
 * Fired whenever a browser event is received.
 * @param event Event to process//from   w w  w .j  a  v a 2 s .c o  m
 */
@Override
public void onBrowserEvent(Event event) {
    switch (DOM.eventGetType(event)) {
    case Event.ONMOUSEUP:
        Event.releaseCapture(this.getElement());
        capturedMouse = false;
        break;
    case Event.ONMOUSEDOWN:
        Event.setCapture(this.getElement());
        capturedMouse = true;
    case Event.ONMOUSEMOVE:
        if (capturedMouse) {
            event.preventDefault();

            if (vertical) {
                int y = event.getClientY() - getAbsoluteTop() + Window.getScrollTop();

                if (y < 0)
                    y = 0;
                if (y > 256)
                    y = 256;

                slider.getElement().getStyle().setProperty("top", y - 4 + "px");

                if (parent != null) {
                    parent.onBarSelected(mode, y);
                }
            } else {
                int x = event.getClientX() - getAbsoluteLeft() + Window.getScrollLeft();

                if (x < 0)
                    x = 0;
                if (x > 256)
                    x = 256;

                slider.getElement().getStyle().setProperty("left", 256 - x - 4 + "px");

                if (parent != null) {
                    parent.onBarSelected(mode, x);
                }
            }
        }
    }
}

From source file:com.risevision.ui.client.common.widgets.colorPicker.SliderMap.java

License:Artistic License

/**
 * Fired whenever a browser event is received.
 * @param event Event to process// ww w.j  ava  2s .c o m
 */
@Override
public void onBrowserEvent(Event event) {
    super.onBrowserEvent(event);

    switch (DOM.eventGetType(event)) {
    case Event.ONMOUSEUP:
        Event.releaseCapture(this.getElement());
        capturedMouse = false;
        break;
    case Event.ONMOUSEDOWN:
        Event.setCapture(this.getElement());
        capturedMouse = true;
    case Event.ONMOUSEMOVE:
        if (capturedMouse) {
            event.preventDefault();

            int x = event.getClientX() - colorUnderlay.getAbsoluteLeft() + 1 + Window.getScrollLeft();
            int y = event.getClientY() - colorUnderlay.getAbsoluteTop() + 1 + Window.getScrollTop();

            if (x < 0)
                x = 0;
            if (x > 256)
                x = 256;
            if (y < 0)
                y = 0;
            if (y > 256)
                y = 256;

            slider.getElement().getStyle().setProperty("left", x - 7 + "px");
            slider.getElement().getStyle().setProperty("top", y - 7 + "px");

            if (parent != null) {
                parent.onMapSelected(x, y);
            }
        }
    }
}

From source file:com.risevision.ui.client.common.widgets.SliderBarWidget.java

License:Artistic License

/**
 * Fired whenever a browser event is received.
 * @param event Event to process/*from ww w .  j  av  a  2 s  .c om*/
 */
@Override
public void onBrowserEvent(Event event) {
    switch (DOM.eventGetType(event)) {
    case Event.ONMOUSEUP:
        Event.releaseCapture(this.getElement());
        capturedMouse = false;
        break;
    case Event.ONMOUSEDOWN:
        Event.setCapture(this.getElement());
        capturedMouse = true;
    case Event.ONMOUSEMOVE:
        if (capturedMouse) {
            event.preventDefault();

            if (vertical) {
                int y = event.getClientY() - getAbsoluteTop() + Window.getScrollTop() - 7;

                if (y < 0)
                    y = 0;
                if (y > length)
                    y = length;

                thumb.getStyle().setProperty("top", y - halfThumb + "px");

                pos = y;
            } else {
                int x = event.getClientX() - getAbsoluteLeft() + Window.getScrollLeft() - 7;

                if (x < 0)
                    x = 0;
                if (x > length)
                    x = length;

                thumb.getStyle().setProperty("left", x - halfThumb + "px");

                pos = x;
            }
            if (onBarSelected != null) {
                onBarSelected.execute();
            }
        }
    }
}

From source file:com.vaadin.addon.calendar.gwt.client.ui.schedule.SimpleDayCell.java

public void startCalendarEventDrag(MouseDownEvent event, final MonthEventLabel w) {
    if (w.isTimeSpecificEvent()) {
        return;//from  www .  java 2 s  .com
    }

    moveRegistration = addMouseMoveHandler(this);
    startX = event.getClientX();
    startY = event.getClientY();
    startYrelative = event.getRelativeY(w.getParent().getElement()) % getHeigth();
    startXrelative = event.getRelativeX(w.getParent().getElement()) % getWidth();

    CalendarEvent e = getEventByWidget(w);
    startDateFrom = (Date) e.getStart().clone();
    startDateTo = (Date) e.getEnd().clone();

    Event.setCapture(getElement());
    keyDownHandler = addKeyDownHandler(new KeyDownHandler() {

        public void onKeyDown(KeyDownEvent event) {
            if (event.getNativeKeyCode() == KeyCodes.KEY_ESCAPE) {
                cancelEventDrag(w);
            }
        }

    });

    focus();

    GWT.log("Start drag");
}

From source file:com.vaadin.addon.spreadsheet.client.SheetWidget.java

/**
 *
 * @param target/*  www.j  a va 2s.c  o m*/
 *            The clicked element
 * @param event
 *            The original event (that can be onClick or onTouchStart)
 */
protected void onSheetMouseDown(Event event) {
    Element target = event.getEventTarget().cast();

    String className = target.getAttribute("class");

    // click target is the inner div because IE10 and 9 are not compatible
    // with 'pointer-events: none'
    if ((BrowserInfo.get().isIE9() || BrowserInfo.get().isIE10())
            && (className == null || className.isEmpty())) {
        String parentClassName = target.getParentElement().getAttribute("class");
        if (parentClassName.contains("cell")) {
            className = parentClassName;
        }
    }
    if (cellCommentEditMode && !className.contains("comment-overlay")) {
        cellCommentEditMode = false;
        currentlyEditedCellComment.setEditMode(false);
        if (currentlyEditedCellComment.equals(cellCommentOverlay)) {
            cellCommentOverlay.hide();
            cellCommentCellClassName = null;
            cellCommentCellColumn = -1;
            cellCommentCellRow = -1;
        }
    }

    if (className.contains("sheet") || target.getTagName().equals("input") || className.equals("floater")) {
        return; // event target is one of the panes or input
    }

    if (isEventInCustomEditorCell(event)) {
        // allow sheet context menu on top of custom editors
        if (event.getButton() == NativeEvent.BUTTON_RIGHT) {
            actionHandler.onCellRightClick(event, selectedCellCol, selectedCellRow);
        } else if (selectingCells) { // this is probably unnecessary
            stoppedSelectingCellsWithDrag(event);
        }
    } else if (className.contains("cell")) {
        if (className.equals("cell-comment-triangle")) {
            jsniUtil.parseColRow(target.getParentElement().getAttribute("class"));
        } else {
            jsniUtil.parseColRow(className);
        }
        int targetCol = jsniUtil.getParsedCol();
        int targetRow = jsniUtil.getParsedRow();
        // because of text overflow, the click might have happened on
        // top of a another cell than what event has.
        // merged cells are a special case, text won't overflow -> skip
        try {
            if (!className.endsWith(MERGED_CELL_CLASSNAME)) {
                int clientX = SpreadsheetWidget.getTouchOrMouseClientX(event);
                int clientY = SpreadsheetWidget.getTouchOrMouseClientY(event);

                Cell targetCell = getRealEventTargetCell(clientX, clientY, getCell(targetCol, targetRow));
                target = targetCell.getElement();
                targetCol = targetCell.getCol();
                targetRow = targetCell.getRow();
            }
        } catch (JavaScriptException jse) {
            debugConsole.severe(
                    "SheetWidget:onSheetMouseDown - JSE while trying to find real event target, className:"
                            + className);
        } catch (IndexOutOfBoundsException ioobe) {
            debugConsole.severe(
                    "SheetWidget:onSheetMouseDown - IOOBE while trying to find real event target, className:"
                            + className);
        }

        event.stopPropagation();
        event.preventDefault();
        if (event.getButton() == NativeEvent.BUTTON_RIGHT) {
            Event.releaseCapture(sheet);
            actionHandler.onCellRightClick(event, targetCol, targetRow);
        } else {
            sheet.focus();
            // quit input if active
            if (editingCell && !input.getElement().isOrHasChild(target)) {
                actionHandler.onCellInputBlur(input.getValue());
            }
            if (event.getCtrlKey() || event.getMetaKey() || event.getShiftKey()) {
                actionHandler.onCellClick(targetCol, targetRow, target.getInnerText(), event.getShiftKey(),
                        event.getMetaKey() || event.getCtrlKey(), true);
                tempCol = -1;
                tempRow = -1;
            } else { // no special keys used
                // link cells are special keys
                // TODO should investigate what is the correct action when
                // clicking on hyperlink cells that overflow to next cells
                if (cellLinksMap != null
                        && cellLinksMap.containsKey(toKey(jsniUtil.getParsedCol(), jsniUtil.getParsedRow()))) {
                    actionHandler.onLinkCellClick(targetCol, targetRow);
                } else { // otherwise selecting starts
                    actionHandler.onCellClick(targetCol, targetRow, target.getInnerText(), event.getShiftKey(),
                            event.getMetaKey() || event.getCtrlKey(), false);
                    selectingCells = true;
                    tempCol = targetCol;
                    tempRow = targetRow;
                    startCellTopLeft = isCellRenderedInTopLeftPane(targetCol, targetRow);
                    startCellTopRight = isCellRenderedInTopRightPane(targetCol, targetRow);
                    startCellBottomLeft = isCellRenderedInBottomLeftPane(targetCol, targetRow);
                    crossedDown = !startCellTopLeft && !startCellTopRight;
                    crossedLeft = !startCellTopLeft && !startCellBottomLeft;
                    clientX = SpreadsheetWidget.getTouchOrMouseClientX(event);
                    clientY = SpreadsheetWidget.getTouchOrMouseClientY(event);
                    Event.setCapture(sheet);
                }
            }
        }
    }
}

From source file:com.vaadin.addon.spreadsheet.client.SheetWidget.java

private void startRowResizeDrag(int rowIndex, int clientX, int clientY) {
    // for some reason FF doesn't hide headers instantly,
    // the event might be from hidden div
    while (actionHandler.isRowHidden(rowIndex)) {
        rowIndex--;//from   ww  w  .  ja  va  2s. co m
    }
    if (rowIndex == 0) { // ERROR ...
        return;
    }
    Event.setCapture(getElement());
    resizingRow = true;
    resized = false;
    resizedRowIndex = rowIndex;
    resizedColumnIndex = -1;
    DivElement header;
    if (resizedRowIndex <= verticalSplitPosition) {
        header = frozenRowHeaders.get(resizedRowIndex - 1);
    } else {
        header = rowHeaders.get(rowIndex - firstRowIndex);
    }
    resizeFirstEdgePos = header.getAbsoluteTop();
    resizeLastEdgePos = header.getAbsoluteBottom();
    if (actionHandler.getRowHeight(rowIndex) > 0) {
        resizeTooltipLabel.setText("Height: " + actionHandler.getRowHeight(rowIndex) + "pt");
    } else {
        resizeTooltipLabel.setText("Hide row");
    }
    showResizeTooltipRelativeTo(clientX, clientY);
    resizeTooltip.show();
    spreadsheet.addClassName(ROW_RESIZING_CLASSNAME);
    resizeLineStable.addClassName("row" + rowIndex);
    rowIndex++;
    while (rowIndex < actionHandler.getMaxRows() && actionHandler.isRowHidden(rowIndex)) {
        rowIndex++;
    }
    resizeLine.addClassName("rh row" + (rowIndex));

    handleRowResizeDrag(clientX, clientY);
}

From source file:com.vaadin.addon.spreadsheet.client.SheetWidget.java

private void startColumnResizeDrag(final int columnIndex, final int clientX, final int clientY) {
    resized = false;//from w  ww  .  j  a  va2 s. c  om
    Scheduler.get().scheduleDeferred(new ScheduledCommand() {

        @Override
        public void execute() {
            if (columnResizeCancelled) {
                return;
            }
            // for some reason FF doesn't hide headers instantly,
            // the event might be from hidden div
            int tempColumnIndex = columnIndex;
            while (actionHandler.isColumnHidden(tempColumnIndex)) {
                tempColumnIndex--;
            }
            if (tempColumnIndex < 1) { // ERROR ...
                return;
            }
            Event.setCapture(getElement());
            resizingColumn = true;
            resizedColumnIndex = tempColumnIndex;
            resizedRowIndex = -1;
            DivElement header;
            if (resizedColumnIndex <= horizontalSplitPosition) {
                header = frozenColumnHeaders.get(resizedColumnIndex - 1);
            } else {
                header = colHeaders.get(tempColumnIndex - firstColumnIndex);
            }
            resizeFirstEdgePos = header.getAbsoluteLeft();
            resizeLastEdgePos = header.getAbsoluteRight();
            if (actionHandler.getColWidth(tempColumnIndex) > 0) {
                resizeTooltipLabel.setText("Width: " + actionHandler.getColWidth(tempColumnIndex) + "px");
            } else {
                resizeTooltipLabel.setText("Hide column");
            }
            showResizeTooltipRelativeTo(clientX, clientY);
            resizeTooltip.show();
            spreadsheet.addClassName(COLUMN_RESIZING_CLASSNAME);
            resizeLineStable.addClassName("col" + tempColumnIndex);
            tempColumnIndex++;
            while (columnIndex <= actionHandler.getMaxColumns()
                    && actionHandler.isColumnHidden(tempColumnIndex)) {
                tempColumnIndex++;
            }
            resizeLine.addClassName("ch col" + (tempColumnIndex));

            handleColumnResizeDrag(clientX, clientY);
        }
    });
}