etherpad-lite/static/js/pad_docbar.js
Chad Weider fa2a6e9ee6 Implement require of dependencies for all pad_* modules.
Create a lazily-defined local reference for pad on initialization in each pad module in order to avoid circular dependency. At some point in the future this dependency should instead be injected into each module on initialization.
2012-01-22 09:49:13 -08:00

468 lines
11 KiB
JavaScript

/**
* This code is mostly from the old Etherpad. Please help us to comment this code.
* This helps other people to understand this code better and helps them to improve it.
* TL;DR COMMENTS ON THIS FILE ARE HIGHLY APPRECIATED
*/
/**
* Copyright 2009 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS-IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var padutils = require('/pad_utils').padutils;
var paddocbar = (function()
{
var isTitleEditable = false;
var isEditingTitle = false;
var isEditingPassword = false;
var enabled = false;
function getPanelOpenCloseAnimator(panelName, panelHeight)
{
var wrapper = $("#" + panelName + "-wrapper");
var openingClass = "docbar" + panelName + "-opening";
var openClass = "docbar" + panelName + "-open";
var closingClass = "docbar" + panelName + "-closing";
function setPanelState(action)
{
$("#docbar").removeClass(openingClass).removeClass(openClass).
removeClass(closingClass);
if (action != "closed")
{
$("#docbar").addClass("docbar" + panelName + "-" + action);
}
}
function openCloseAnimate(state)
{
function pow(x)
{
x = 1 - x;
x *= x * x;
return 1 - x;
}
if (state == -1)
{
// startng to open
setPanelState("opening");
wrapper.css('height', '0');
}
else if (state < 0)
{
// opening
var height = Math.round(pow(state + 1) * (panelHeight - 1)) + 'px';
wrapper.css('height', height);
}
else if (state == 0)
{
// open
setPanelState("open");
wrapper.css('height', panelHeight - 1);
}
else if (state < 1)
{
// closing
setPanelState("closing");
var height = Math.round((1 - pow(state)) * (panelHeight - 1)) + 'px';
wrapper.css('height', height);
}
else if (state == 1)
{
// closed
setPanelState("closed");
wrapper.css('height', '0');
}
}
return padutils.makeShowHideAnimator(openCloseAnimate, false, 25, 500);
}
var currentPanel = null;
function setCurrentPanel(newCurrentPanel)
{
if (currentPanel != newCurrentPanel)
{
currentPanel = newCurrentPanel;
padutils.cancelActions("hide-docbar-panel");
}
}
var panels;
function changePassword(newPass)
{
if ((newPass || null) != (self.password || null))
{
self.password = (newPass || null);
pad.notifyChangePassword(newPass);
}
self.renderPassword();
}
var pad = undefined;
var self = {
title: null,
password: null,
init: function(opts)
{
pad = require('/pad2').pad; // Sidestep circular dependency (should be injected).
panels = {
impexp: {
animator: getPanelOpenCloseAnimator("impexp", 160)
},
savedrevs: {
animator: getPanelOpenCloseAnimator("savedrevs", 79)
},
options: {
animator: getPanelOpenCloseAnimator("options", 114)
},
security: {
animator: getPanelOpenCloseAnimator("security", 130)
}
};
isTitleEditable = opts.isTitleEditable;
self.title = opts.initialTitle;
self.password = opts.initialPassword;
$("#docbarimpexp").click(function()
{
self.togglePanel("impexp");
});
$("#docbarsavedrevs").click(function()
{
self.togglePanel("savedrevs");
});
$("#docbaroptions").click(function()
{
self.togglePanel("options");
});
$("#docbarsecurity").click(function()
{
self.togglePanel("security");
});
$("#docbarrenamelink").click(self.editTitle);
$("#padtitlesave").click(function()
{
self.closeTitleEdit(true);
});
$("#padtitlecancel").click(function()
{
self.closeTitleEdit(false);
});
padutils.bindEnterAndEscape($("#padtitleedit"), function()
{
$("#padtitlesave").trigger('click');
}, function()
{
$("#padtitlecancel").trigger('click');
});
$("#options-close").click(function()
{
self.setShownPanel(null);
});
$("#security-close").click(function()
{
self.setShownPanel(null);
});
if (pad.getIsProPad())
{
self.initPassword();
}
enabled = true;
self.render();
// public/private
$("#security-access input").bind("change click", function(evt)
{
pad.changePadOption('guestPolicy', $("#security-access input[name='padaccess']:checked").val());
});
self.setGuestPolicy(opts.guestPolicy);
},
setGuestPolicy: function(newPolicy)
{
$("#security-access input[value='" + newPolicy + "']").attr("checked", "checked");
self.render();
},
initPassword: function()
{
self.renderPassword();
$("#password-clearlink").click(function()
{
changePassword(null);
});
$("#password-setlink, #password-display").click(function()
{
self.enterPassword();
});
$("#password-cancellink").click(function()
{
self.exitPassword(false);
});
$("#password-savelink").click(function()
{
self.exitPassword(true);
});
padutils.bindEnterAndEscape($("#security-passwordedit"), function()
{
self.exitPassword(true);
}, function()
{
self.exitPassword(false);
});
},
enterPassword: function()
{
isEditingPassword = true;
$("#security-passwordedit").val(self.password || '');
self.renderPassword();
$("#security-passwordedit").focus().select();
},
exitPassword: function(accept)
{
isEditingPassword = false;
if (accept)
{
changePassword($("#security-passwordedit").val());
}
else
{
self.renderPassword();
}
},
renderPassword: function()
{
if (isEditingPassword)
{
$("#password-nonedit").hide();
$("#password-inedit").show();
}
else
{
$("#password-nonedit").toggleClass('nopassword', !self.password);
$("#password-setlink").html(self.password ? "Change..." : "Set...");
if (self.password)
{
$("#password-display").html(self.password.replace(/./g, '&#8226;'));
}
else
{
$("#password-display").html("None");
}
$("#password-inedit").hide();
$("#password-nonedit").show();
}
},
togglePanel: function(panelName)
{
if (panelName in panels)
{
if (currentPanel == panelName)
{
self.setShownPanel(null);
}
else
{
self.setShownPanel(panelName);
}
}
},
setShownPanel: function(panelName)
{
function animateHidePanel(panelName, next)
{
var delay = 0;
if (panelName == 'options' && isEditingPassword)
{
// give user feedback that the password they've
// typed in won't actually take effect
self.exitPassword(false);
delay = 500;
}
window.setTimeout(function()
{
panels[panelName].animator.hide();
if (next)
{
next();
}
}, delay);
}
if (!panelName)
{
if (currentPanel)
{
animateHidePanel(currentPanel);
setCurrentPanel(null);
}
}
else if (panelName in panels)
{
if (currentPanel != panelName)
{
if (currentPanel)
{
animateHidePanel(currentPanel, function()
{
panels[panelName].animator.show();
setCurrentPanel(panelName);
});
}
else
{
panels[panelName].animator.show();
setCurrentPanel(panelName);
}
}
}
},
isPanelShown: function(panelName)
{
if (!panelName)
{
return !currentPanel;
}
else
{
return (panelName == currentPanel);
}
},
changeTitle: function(newTitle)
{
self.title = newTitle;
self.render();
},
editTitle: function()
{
if (!enabled)
{
return;
}
$("#padtitleedit").val(self.title);
isEditingTitle = true;
self.render();
$("#padtitleedit").focus().select();
},
closeTitleEdit: function(accept)
{
if (!enabled)
{
return;
}
if (accept)
{
var newTitle = $("#padtitleedit").val();
if (newTitle)
{
newTitle = newTitle.substring(0, 80);
self.title = newTitle;
pad.notifyChangeTitle(newTitle);
}
}
isEditingTitle = false;
self.render();
},
changePassword: function(newPass)
{
if (newPass)
{
self.password = newPass;
}
else
{
self.password = null;
}
self.renderPassword();
},
render: function()
{
if (isEditingTitle)
{
$("#docbarpadtitle").hide();
$("#docbarrenamelink").hide();
$("#padtitleedit").show();
$("#padtitlebuttons").show();
if (!enabled)
{
$("#padtitleedit").attr('disabled', 'disabled');
}
else
{
$("#padtitleedit").removeAttr('disabled');
}
}
else
{
$("#padtitleedit").hide();
$("#padtitlebuttons").hide();
var titleSpan = $("#docbarpadtitle span");
titleSpan.html(padutils.escapeHtml(self.title));
$("#docbarpadtitle").attr('title', (pad.isPadPublic() ? "Public Pad: " : "") + self.title);
$("#docbarpadtitle").show();
if (isTitleEditable)
{
var titleRight = $("#docbarpadtitle").position().left + $("#docbarpadtitle span").position().left + Math.min($("#docbarpadtitle").width(), $("#docbarpadtitle span").width());
$("#docbarrenamelink").css('left', titleRight + 10).show();
}
if (pad.isPadPublic())
{
$("#docbar").addClass("docbar-public");
}
else
{
$("#docbar").removeClass("docbar-public");
}
}
},
disable: function()
{
enabled = false;
self.render();
},
handleResizePage: function()
{
// Side-step circular reference. This should be injected.
var padsavedrevs = require('/pad_savedrevs').padsavedrevs;
padsavedrevs.handleResizePage();
},
hideLaterIfNoOtherInteraction: function()
{
return padutils.getCancellableAction('hide-docbar-panel', function()
{
self.setShownPanel(null);
});
}
};
return self;
}());
if (typeof exports !== 'undefined') {
exports.paddocbar = paddocbar;
}