| /* |
| * Copyright (C) 2013, 2015 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| WI.Sidebar = class Sidebar extends WI.View |
| { |
| constructor(element, side, sidebarPanels, role, label, hasNavigationBar) |
| { |
| super(element); |
| |
| console.assert(!side || side === WI.Sidebar.Sides.Left || side === WI.Sidebar.Sides.Right); |
| this._side = side || WI.Sidebar.Sides.Left; |
| this._collapsed = true; |
| |
| this.element.classList.add("sidebar", this._side, WI.Sidebar.CollapsedStyleClassName); |
| |
| this.element.setAttribute("role", role || "group"); |
| if (label) |
| this.element.setAttribute("aria-label", label); |
| |
| if (hasNavigationBar) { |
| this.element.classList.add("has-navigation-bar"); |
| |
| this._navigationBar = new WI.NavigationBar(null, null, "tablist"); |
| this._navigationBar.addEventListener(WI.NavigationBar.Event.NavigationItemSelected, this._navigationItemSelected, this); |
| this.addSubview(this._navigationBar); |
| } |
| |
| this._resizer = new WI.Resizer(WI.Resizer.RuleOrientation.Vertical, this); |
| this.element.insertBefore(this._resizer.element, this.element.firstChild); |
| |
| this._sidebarPanels = []; |
| |
| if (sidebarPanels) { |
| for (let sidebarPanel of sidebarPanels) |
| this.addSidebarPanel(sidebarPanel); |
| } |
| } |
| |
| // Public |
| |
| addSidebarPanel(sidebarPanel) |
| { |
| this.insertSidebarPanel(sidebarPanel, this._sidebarPanels.length); |
| } |
| |
| insertSidebarPanel(sidebarPanel, index) |
| { |
| console.assert(sidebarPanel instanceof WI.SidebarPanel); |
| if (!(sidebarPanel instanceof WI.SidebarPanel)) |
| return; |
| |
| console.assert(!sidebarPanel.parentSidebar); |
| if (sidebarPanel.parentSidebar) |
| return; |
| |
| console.assert(index >= 0 && index <= this._sidebarPanels.length); |
| this._sidebarPanels.splice(index, 0, sidebarPanel); |
| |
| if (this._navigationBar) { |
| console.assert(sidebarPanel.navigationItem); |
| this._navigationBar.insertNavigationItem(sidebarPanel.navigationItem, index); |
| } |
| } |
| |
| removeSidebarPanel(sidebarPanelOrIdentifierOrIndex) |
| { |
| var sidebarPanel = this.findSidebarPanel(sidebarPanelOrIdentifierOrIndex); |
| if (!sidebarPanel) |
| return; |
| |
| if (sidebarPanel.visible) { |
| sidebarPanel.hidden(); |
| sidebarPanel.visibilityDidChange(); |
| } |
| |
| sidebarPanel.selected = false; |
| |
| if (this._selectedSidebarPanel === sidebarPanel) { |
| var index = this._sidebarPanels.indexOf(sidebarPanel); |
| this.selectedSidebarPanel = this._sidebarPanels[index - 1] || this._sidebarPanels[index + 1] || null; |
| } |
| |
| this._sidebarPanels.remove(sidebarPanel); |
| |
| if (this._navigationBar) { |
| console.assert(sidebarPanel.navigationItem); |
| this._navigationBar.removeNavigationItem(sidebarPanel.navigationItem); |
| } |
| } |
| |
| get selectedSidebarPanel() |
| { |
| return this._selectedSidebarPanel || null; |
| } |
| |
| set selectedSidebarPanel(sidebarPanelOrIdentifierOrIndex) |
| { |
| var sidebarPanel = this.findSidebarPanel(sidebarPanelOrIdentifierOrIndex); |
| if (this._selectedSidebarPanel === sidebarPanel) |
| return; |
| |
| if (this._selectedSidebarPanel) { |
| this._selectedSidebarPanel.hidden(); |
| this._selectedSidebarPanel.visibilityDidChange(); |
| this._selectedSidebarPanel.selected = false; |
| this.removeSubview(this._selectedSidebarPanel); |
| } |
| |
| this._selectedSidebarPanel = sidebarPanel || null; |
| |
| if (this._navigationBar) |
| this._navigationBar.selectedNavigationItem = sidebarPanel ? sidebarPanel.navigationItem : null; |
| |
| if (this._selectedSidebarPanel) { |
| this.addSubview(this._selectedSidebarPanel); |
| this._selectedSidebarPanel.selected = true; |
| if (!this.collapsed) { |
| this._selectedSidebarPanel.shown(); |
| this._selectedSidebarPanel.visibilityDidChange(); |
| } |
| } |
| |
| this.dispatchEventToListeners(WI.Sidebar.Event.SidebarPanelSelected); |
| } |
| |
| get minimumWidth() |
| { |
| if (this._navigationBar) |
| return Math.max(WI.Sidebar.AbsoluteMinimumWidth, this._navigationBar.minimumWidth); |
| if (this._selectedSidebarPanel) |
| return Math.max(WI.Sidebar.AbsoluteMinimumWidth, this._selectedSidebarPanel.minimumWidth); |
| return WI.Sidebar.AbsoluteMinimumWidth; |
| } |
| |
| get maximumWidth() |
| { |
| return WI.getMaximumSidebarWidth(this); |
| } |
| |
| get width() |
| { |
| return this.element.offsetWidth; |
| } |
| |
| set width(newWidth) |
| { |
| if (newWidth === this.width) |
| return; |
| |
| this._recalculateWidth(newWidth); |
| } |
| |
| get collapsed() |
| { |
| return this._collapsed; |
| } |
| |
| set collapsed(flag) |
| { |
| if (flag === this._collapsed) |
| return; |
| |
| this._collapsed = flag || false; |
| this.element.classList.toggle(WI.Sidebar.CollapsedStyleClassName); |
| |
| if (!this._collapsed && this._navigationBar) |
| this._navigationBar.needsLayout(); |
| |
| if (this._selectedSidebarPanel) { |
| if (this._selectedSidebarPanel.visible) |
| this._selectedSidebarPanel.shown(); |
| else |
| this._selectedSidebarPanel.hidden(); |
| |
| this._selectedSidebarPanel.visibilityDidChange(); |
| } |
| |
| this.dispatchEventToListeners(WI.Sidebar.Event.CollapsedStateDidChange); |
| this.dispatchEventToListeners(WI.Sidebar.Event.WidthDidChange); |
| } |
| |
| get sidebarPanels() |
| { |
| return this._sidebarPanels; |
| } |
| |
| get side() |
| { |
| return this._side; |
| } |
| |
| findSidebarPanel(sidebarPanelOrIdentifierOrIndex) |
| { |
| var sidebarPanel = null; |
| |
| if (sidebarPanelOrIdentifierOrIndex instanceof WI.SidebarPanel) { |
| if (this._sidebarPanels.includes(sidebarPanelOrIdentifierOrIndex)) |
| sidebarPanel = sidebarPanelOrIdentifierOrIndex; |
| } else if (typeof sidebarPanelOrIdentifierOrIndex === "number") { |
| sidebarPanel = this._sidebarPanels[sidebarPanelOrIdentifierOrIndex]; |
| } else if (typeof sidebarPanelOrIdentifierOrIndex === "string") { |
| for (var i = 0; i < this._sidebarPanels.length; ++i) { |
| if (this._sidebarPanels[i].identifier === sidebarPanelOrIdentifierOrIndex) { |
| sidebarPanel = this._sidebarPanels[i]; |
| break; |
| } |
| } |
| } |
| |
| return sidebarPanel; |
| } |
| |
| // Protected |
| |
| resizerDragStarted(resizer) |
| { |
| this._widthBeforeResize = this.width; |
| } |
| |
| resizerDragging(resizer, positionDelta) |
| { |
| if (this._side === WI.Sidebar.Sides.Left) |
| positionDelta *= -1; |
| |
| if (WI.resolvedLayoutDirection() === WI.LayoutDirection.RTL) |
| positionDelta *= -1; |
| |
| var newWidth = positionDelta + this._widthBeforeResize; |
| this.width = newWidth; |
| this.collapsed = newWidth < (this.minimumWidth / 2); |
| } |
| |
| resizerDragEnded(resizer) |
| { |
| if (this._widthBeforeResize === this.width) |
| return; |
| |
| if (!this.collapsed && this._navigationBar) |
| this._navigationBar.sizeDidChange(); |
| |
| if (!this.collapsed && this._selectedSidebarPanel) |
| this._selectedSidebarPanel.sizeDidChange(); |
| } |
| |
| // Private |
| |
| _recalculateWidth(newWidth = this.width) |
| { |
| // Need to add 1 because of the 1px border-right. |
| newWidth = Math.ceil(Number.constrain(newWidth, this.minimumWidth + 1, this.maximumWidth)); |
| this.element.style.width = `${newWidth}px`; |
| |
| if (this.collapsed) |
| return; |
| |
| if (this._navigationBar) |
| this._navigationBar.updateLayout(WI.View.LayoutReason.Resize); |
| |
| if (this._selectedSidebarPanel) |
| this._selectedSidebarPanel.updateLayout(WI.View.LayoutReason.Resize); |
| |
| this.dispatchEventToListeners(WI.Sidebar.Event.WidthDidChange, {newWidth}); |
| } |
| |
| _navigationItemSelected(event) |
| { |
| this.selectedSidebarPanel = event.target.selectedNavigationItem ? event.target.selectedNavigationItem.identifier : null; |
| } |
| }; |
| |
| WI.Sidebar.CollapsedStyleClassName = "collapsed"; |
| WI.Sidebar.AbsoluteMinimumWidth = 200; |
| |
| WI.Sidebar.Sides = { |
| Right: "right", |
| Left: "left" |
| }; |
| |
| WI.Sidebar.Event = { |
| SidebarPanelSelected: "sidebar-panel-selected", |
| CollapsedStateDidChange: "sidebar-collapsed-state-did-change", |
| WidthDidChange: "sidebar-width-did-change", |
| }; |
