Example usage for com.google.gwt.user.client.ui Widget getAbsoluteLeft

Introduction

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

Prototype

public int getAbsoluteLeft() 

Source Link

Document

Gets the object's absolute left position in pixels, as measured from the browser window's client area.

Usage

From source file:org.gwm.splice.client.desktop.DesktopManager.java

License:Apache License

public boolean canDrop(Widget widget) {

    RootPanel rp = RootPanel.get();//from  w w  w .j  a v a 2  s .co m

    int x = widget.getAbsoluteLeft();
    int y = widget.getAbsoluteTop();
    int h = widget.getOffsetHeight();
    int w = widget.getAbsoluteLeft();

    boolean overlapX = false;
    boolean overlapY = false;

    for (Iterator iter = rp.iterator(); iter.hasNext();) {
        Widget child = (Widget) iter.next();

        if (child == widget) {
            continue;
        }

        int cx = child.getAbsoluteLeft();
        int cy = child.getAbsoluteTop();
        int ch = child.getOffsetHeight();
        int cw = child.getOffsetWidth();

        if (x == cx || y == cy) {
            return false;
        }
        if (x > cx) {
            if (x <= (cx + cw)) {
                overlapX = true;
            }
        } else if (x < cx) {
            if ((x + w) >= cx) {
                overlapX = true;
            }
        }
        if (y > cy) {
            if (y <= (cy + ch)) {
                overlapY = true;
            }
        } else if (y < cy) {
            if ((y + h) >= cy) {
                overlapY = true;
            }
        }

        if (overlapX && overlapY) {
            return false;
        }
    }

    return true;
}

---

From source file:org.gwt.mosaic.ui.client.layout.CustomGridLayout.java

License:Apache License

/**
 * Lays out the specified {@link LayoutPanel} using this layout.
 * <p>/*from  w w  w  .  j a  v  a 2 s . c o  m*/
 * The grid layout manager determines the size of individual widgets by
 * dividing the free space in the panel into equal-sized portions according to
 * the number of rows and columns in the layout. The container's free space
 * equals the container's size minus any margins and any specified horizontal
 * or vertical gap.
 *
 * @param layoutPanel the panel in which to do the layout
 *
 * @see org.gwt.mosaic.ui.client.layout.LayoutManager#layoutPanel(org.gwt.mosaic.ui.client.layout.LayoutPanel)
 */
public void layoutPanel(LayoutPanel layoutPanel) {
    try {
        if (layoutPanel == null || !init(layoutPanel)) {
            return;
        }

        final Dimension box = DOM.getClientSize(layoutPanel.getElement());

        final int left = paddingLeftMeasure.sizeOf(layoutPanel);
        final int top = paddingTopMeasure.sizeOf(layoutPanel);
        int width = box.width - (left + paddingRightMeasure.sizeOf(layoutPanel));
        int height = box.height - (top + paddingBottomMeasure.sizeOf(layoutPanel));

        final int spacing = layoutPanel.getWidgetSpacing();

        // adjust for spacing
        width -= ((cols - 1) * spacing);
        height -= ((rows - 1) * spacing);

        final int colWidth = width / cols;
        final int rowHeight = height / rows;

        for (int r = 0; r < rows; r++) {
            for (int c = 0; c < cols; c++) {
                Widget widget = widgetMatrix[c][r];
                if (widget == null || widget == SPAN) {
                    continue;
                }
                if (widget instanceof InternalDecoratorPanel) {
                    widget = ((InternalDecoratorPanel) widget).getWidget();
                }

                int cellWidth;
                int cellHeight;

                final GridLayoutData layoutData = (GridLayoutData) widget.getLayoutData();
                final Widget parent = widget.getParent();
                if (parent instanceof InternalDecoratorPanel) {
                    final InternalDecoratorPanel decPanel = (InternalDecoratorPanel) parent;
                    final int borderSizes[] = decPanel.getBorderSizes();
                    final Dimension decPanelFrameSize = new Dimension(borderSizes[1] + borderSizes[3],
                            borderSizes[0] + borderSizes[0]);

                    cellWidth = colWidth * layoutData.colspan - decPanelFrameSize.width
                            + spacing * (layoutData.colspan - 1);
                    cellHeight = rowHeight * layoutData.rowspan - decPanelFrameSize.height
                            + spacing * (layoutData.rowspan - 1);
                } else {
                    cellWidth = colWidth * layoutData.colspan + spacing * (layoutData.colspan - 1);
                    cellHeight = rowHeight * layoutData.rowspan + spacing * (layoutData.rowspan - 1);
                }

                HorizontalAlignmentConstant hAlignment = layoutData.getHorizontalAlignment();
                if (hAlignment == null) {
                    hAlignment = getHorizontalAlignment();
                }

                Dimension prefSize = null;

                if (hAlignment == null) {
                    layoutData.targetLeft = left + (spacing + colWidth) * c;
                    layoutData.targetWidth = cellWidth;
                } else {
                    // (ggeorg) this call to WidgetHelper.getPreferredSize() is
                    // required even for ALIGN_LEFT
                    prefSize = new Dimension(preferredWidthMeasure.sizeOf(widget),
                            preferredHeightMeasure.sizeOf(widget));

                    if (HasHorizontalAlignment.ALIGN_LEFT == hAlignment) {
                        layoutData.targetLeft = left + (spacing + colWidth) * c;
                    } else if (HasHorizontalAlignment.ALIGN_CENTER == hAlignment) {
                        layoutData.targetLeft = left + (spacing + colWidth) * c + (cellWidth / 2)
                                - prefSize.width / 2;
                    } else {
                        layoutData.targetLeft = left + (spacing + colWidth) * c + cellWidth - prefSize.width;
                    }
                    layoutData.targetWidth = prefSize.width;
                }

                VerticalAlignmentConstant vAlignment = layoutData.getVerticalAlignment();
                if (vAlignment == null) {
                    vAlignment = getVerticalAlignment();
                }

                if (vAlignment == null) {
                    layoutData.targetTop = top + (spacing + rowHeight) * r;
                    layoutData.targetHeight = cellHeight;
                } else {
                    if (prefSize == null) {
                        // (ggeorg) this call to WidgetHelper.getPreferredSize() is
                        // required even for ALIGN_TOP
                        prefSize = new Dimension(preferredWidthMeasure.sizeOf(widget),
                                preferredHeightMeasure.sizeOf(widget));
                    }
                    if (HasVerticalAlignment.ALIGN_TOP == vAlignment) {
                        layoutData.targetTop = top + (spacing + rowHeight) * r;
                    } else if (HasVerticalAlignment.ALIGN_MIDDLE == vAlignment) {
                        layoutData.targetTop = top + (spacing + rowHeight) * r + (cellHeight / 2)
                                - prefSize.height / 2;
                    } else {
                        layoutData.targetTop = top + (spacing + rowHeight) * r + cellHeight - prefSize.height;
                    }
                    layoutData.targetHeight = prefSize.height;
                }

                if (layoutPanel.isAnimationEnabled()) {
                    layoutData.setSourceLeft(widget.getAbsoluteLeft() - layoutPanel.getAbsoluteLeft());
                    layoutData.setSourceTop(widget.getAbsoluteTop() - layoutPanel.getAbsoluteTop());
                    layoutData.setSourceWidth(widget.getOffsetWidth());
                    layoutData.setSourceHeight(widget.getOffsetHeight());
                }
            }
        }

        super.layoutPanel(layoutPanel);

    } catch (Exception e) {
        GWT.log(e.getMessage(), e);
        Window.alert(this.getClass().getName() + ".layoutPanel(): " + e.getLocalizedMessage());
    }

}

---

From source file:org.gwtportlets.portlet.client.edit.PageEditorMenuBar.java

License:Open Source License

protected void onLoad() {
    super.onLoad();

    final Widget p = getParent();
    if (!(p instanceof PopupPanel)) {
        return;/*from w w  w.j  av a 2  s  .c  om*/
    }

    // reposition the popup so it does not go off screen etc
    p.setVisible(false);
    final int left = p.getAbsoluteLeft();
    final int top = p.getAbsoluteTop();
    LDOM.setPosition(p.getElement(), 0, 0); // put here so size is not constrained

    DeferredCommand.addCommand(new Command() {
        public void execute() {
            Rectangle nextTo = new Rectangle();
            nextTo.x = left;
            nextTo.y = top;
            nextTo.width = 1;
            nextTo.height = 1;
            Rectangle r = LDOM.getNextToPosition(p.getOffsetWidth(), p.getOffsetHeight(), nextTo, true, 0);
            LDOM.setPosition(p.getElement(), r.x, r.y);
            p.setVisible(true);
        }
    });
}

---

From source file:org.gwtportlets.portlet.client.edit.row.RowLayoutEditor.java

License:Open Source License

/**
 * Figure out the best index for widget in our container assuming it is
 * dropped at clientX and clientY./*  ww  w  .j a va  2s. c  o  m*/
 */
private int getDropIndex(int clientX, int clientY) {
    int wc = container.getWidgetCount();
    if (getTargetLayout().isColumn()) {
        for (int i = wc - 1; i >= 0; i--) {
            Widget w = container.getWidget(i);
            int top = w.getAbsoluteTop();
            if (clientY >= top) {
                return clientY >= top + w.getOffsetHeight() * 2 / 3 ? i + 1 : i;
            }
        }
    } else {
        for (int i = wc - 1; i >= 0; i--) {
            Widget w = container.getWidget(i);
            int left = w.getAbsoluteLeft();
            if (clientX >= left) {
                return clientX >= left + w.getOffsetWidth() * 2 / 3 ? i + 1 : i;
            }
        }
    }
    return 0;
}

---

From source file:org.jboss.ballroom.client.util.LoadingOverlay.java

License:Open Source License

public static void on(Widget parent, boolean loading) {
    if (parent != null && loading) {
        int left = parent.getAbsoluteLeft();
        int top = parent.getAbsoluteTop();

        int width = parent.getOffsetWidth();
        int height = parent.getOffsetHeight();

        p = new PopupPanel();
        //p.setStylePrimaryName("bpm-loading-overlay");
        p.setWidget(new Image("images/loading_lite.gif"));
        p.setPopupPosition(left + (width / 2) - 15, top + (height / 2) - 15);
        p.show();//from w w  w. j a  v a  2s .  c o  m

    } else {
        if (p != null) {
            p.hide();
            p = null;
        }
    }
}

---

From source file:org.jboss.bpm.console.client.common.LoadingOverlay.java

License:Open Source License

public static void on(Widget parent, boolean loading) {
    if (parent != null && loading) {
        int left = parent.getAbsoluteLeft();
        int top = parent.getAbsoluteTop();

        int width = parent.getOffsetWidth();
        int height = parent.getOffsetHeight();

        if (width > 100 & height > 100) // workaround hidden panels
        {//from  ww w  .j  a va2  s . c  o  m
            p = new PopupPanel();
            p.setStylePrimaryName("bpm-loading-overlay");
            p.setWidget(new Image("images/loading_lite.gif"));
            p.setPopupPosition(left + (width / 2) - 15, top + (height / 2) - 15);
            p.show();
        }

    } else {
        if (p != null) {
            p.hide();
            p = null;
        }
    }
}

---

From source file:org.jboss.errai.workspaces.client.listeners.TabOpeningClickHandler.java

License:Apache License

public void onClick(ClickEvent event) {
    String initSubject = tool.getId() + ":init";

    final MessageBus bus = ErraiBus.get();

    if (!bus.isSubscribed(initSubject)) {
        bus.subscribe(initSubject, new MessageCallback() {
            public void callback(final Message message) {

                try {

                    tool.provideWidget(new ProvisioningCallback() {
                        public void onSuccess(final Widget instance) {
                            instance.getElement().setId(message.get(String.class, LayoutParts.DOMID));

                            RootPanel.get().add(instance);

                            LayoutHint.attach(instance, new LayoutHintProvider() {
                                public int getHeightHint() {
                                    return Window.getClientHeight() - instance.getAbsoluteTop() - 20;
                                }//from   ww w . ja va 2s  . c om

                                public int getWidthHint() {
                                    return Window.getClientWidth() - instance.getAbsoluteLeft() - 5;
                                }
                            });

                        }

                        public void onUnavailable() {
                            throw new RuntimeException("Failed to create component");
                        }
                    });

                    createConversation(message).getMessage().sendNowWith(bus);
                } catch (Exception e) {
                    e.printStackTrace();
                }

            }
        });
    }
    try {

        /**
         * Being capturing all message registration activity. This is necessary if you want to use the automatic clean-up
         * features and close the messaging channels when the tool instance closes.
         */
        ((ClientMessageBus) bus).beginCapture();

        createMessage().toSubject("org.jboss.errai.WorkspaceLayout").command(LayoutCommands.OpenNewTab)
                .with(LayoutParts.ComponentID, tool.getId()).with(LayoutParts.IconURI, tool.getIcon().getUrl())
                .with(LayoutParts.MultipleInstances, tool.multipleAllowed())
                .with(LayoutParts.Name, tool.getName())
                .with(LayoutParts.DOMID, tool.getId() + "_" + System.currentTimeMillis())
                .with(LayoutParts.InitSubject, initSubject).noErrorHandling().sendNowWith(bus);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:org.jbpm.form.builder.ng.model.client.form.FBForm.java

License:Apache License

@Override
public void add(PhantomPanel phantom, int x, int y) {
    for (int index = 0; index < getWidgetCount(); index++) {
        Widget item = getWidget(index);
        int left = item.getAbsoluteLeft();
        int right = left + item.getOffsetWidth();
        int top = item.getAbsoluteTop();
        int bottom = top + item.getOffsetHeight();
        if (x > left && x < right && y > top && y < bottom) {
            insert(phantom, index);/*from  ww w .j  ava2 s.c  o m*/
            break;
        } else if (x > right && y > top && y < bottom && index < (getWidgetCount() - 1)) {
            insert(phantom, index + 1);
            break;
        } else if (index == (getWidgetCount() - 1)) {
            add(phantom);
            break;
        }
    }
}

---

From source file:org.jbpm.form.builder.ng.model.client.form.items.FieldSetLayoutFormItem.java

License:Apache License

@Override
public void add(PhantomPanel phantom, int x, int y) {
    for (int index = 0; index < panel.getWidgetCount(); index++) {
        Widget item = panel.getWidget(index);
        int left = item.getAbsoluteLeft();
        int right = left + item.getOffsetWidth();
        int top = item.getAbsoluteTop();
        int bottom = top + item.getOffsetHeight();
        if (x > left && x < right && y > top && y < bottom) {
            panel.insert(phantom, index);
            break;
        }/*www  .  j  a  v  a 2  s  .  c o m*/
    }
}

---

From source file:org.jbpm.form.builder.ng.model.client.form.items.HorizontalLayoutFormItem.java

License:Apache License

@Override
public void add(PhantomPanel phantom, int x, int y) {
    Widget beforeWidget = null;/*ww  w . j  a v a 2 s. c om*/
    for (Widget widget : this.panel) {
        int left = widget.getAbsoluteLeft();
        int right = left + widget.getOffsetWidth();
        if (x > left && x < right) {
            beforeWidget = widget;
            break;
        }
    }
    if (beforeWidget == null) {
        this.panel.add(phantom);
    } else {
        int index = this.panel.getWidgetIndex(beforeWidget);
        this.panel.insert(phantom, index);
    }
}

---

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