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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/* import-globals-from EdDialogCommon.js */
var gReplaceDialog; // Quick access to document/form elements.
var gFindInst; // nsIWebBrowserFind that we're going to use
var gFindService; // Global service which remembers find params
var gEditor; // the editor we're using
window.addEventListener("load", () => {
onLoad();
});
document.addEventListener("dialogaccept", event => {
onFindNext();
event.preventDefault();
});
function initDialogObject() {
// Create gReplaceDialog object and initialize.
gReplaceDialog = {};
gReplaceDialog.findInput = document.getElementById("dialog.findInput");
gReplaceDialog.replaceInput = document.getElementById("dialog.replaceInput");
gReplaceDialog.caseSensitive = document.getElementById(
"dialog.caseSensitive"
);
gReplaceDialog.wrap = document.getElementById("dialog.wrap");
gReplaceDialog.searchBackwards = document.getElementById(
"dialog.searchBackwards"
);
gReplaceDialog.findNext = document.getElementById("findNext");
gReplaceDialog.replace = document.getElementById("replace");
gReplaceDialog.replaceAndFind = document.getElementById("replaceAndFind");
gReplaceDialog.replaceAll = document.getElementById("replaceAll");
}
function loadDialog() {
// Set initial dialog field contents.
// Set initial dialog field contents. Use the gFindInst attributes first,
// this is necessary for window.find()
gReplaceDialog.findInput.value = gFindInst.searchString
? gFindInst.searchString
: gFindService.searchString;
gReplaceDialog.replaceInput.value = gFindService.replaceString;
gReplaceDialog.caseSensitive.checked = gFindInst.matchCase
? gFindInst.matchCase
: gFindService.matchCase;
gReplaceDialog.wrap.checked = gFindInst.wrapFind
? gFindInst.wrapFind
: gFindService.wrapFind;
gReplaceDialog.searchBackwards.checked = gFindInst.findBackwards
? gFindInst.findBackwards
: gFindService.findBackwards;
doEnabling();
}
function onLoad() {
// Get the xul <editor> element:
var editorElement = window.arguments[0];
// If we don't get the editor, then we won't allow replacing.
gEditor = editorElement.getEditor(editorElement.contentWindow);
if (!gEditor) {
window.close();
return;
}
// Get the nsIWebBrowserFind service:
gFindInst = editorElement.webBrowserFind;
try {
// get the find service, which stores global find state
gFindService = Cc["@mozilla.org/find/find_service;1"].getService(
Ci.nsIFindService
);
} catch (e) {
dump("No find service!\n");
gFindService = 0;
}
// Init gReplaceDialog.
initDialogObject();
// Change "OK" to "Find".
// dialog.find.label = document.getElementById("fBLT").getAttribute("label");
// Fill dialog.
loadDialog();
if (gReplaceDialog.findInput.value) {
gReplaceDialog.findInput.select();
} else {
gReplaceDialog.findInput.focus();
}
}
function saveFindData() {
// Set data attributes per user input.
if (gFindService) {
gFindService.searchString = gReplaceDialog.findInput.value;
gFindService.matchCase = gReplaceDialog.caseSensitive.checked;
gFindService.wrapFind = gReplaceDialog.wrap.checked;
gFindService.findBackwards = gReplaceDialog.searchBackwards.checked;
}
}
function setUpFindInst() {
gFindInst.searchString = gReplaceDialog.findInput.value;
gFindInst.matchCase = gReplaceDialog.caseSensitive.checked;
gFindInst.wrapFind = gReplaceDialog.wrap.checked;
gFindInst.findBackwards = gReplaceDialog.searchBackwards.checked;
}
function onFindNext() {
// Transfer dialog contents to the find service.
saveFindData();
// set up the find instance
setUpFindInst();
// Search.
var result = gFindInst.findNext();
if (!result) {
var bundle = document.getElementById("findBundle");
Services.prompt.alert(
window,
GetString("Alert"),
bundle.getString("notFoundWarning")
);
SetTextboxFocus(gReplaceDialog.findInput);
gReplaceDialog.findInput.select();
gReplaceDialog.findInput.focus();
return false;
}
return true;
}
function onReplace() {
if (!gEditor) {
return false;
}
// Does the current selection match the find string?
var selection = gEditor.selection;
var selStr = selection.toString();
var specStr = gReplaceDialog.findInput.value;
if (!gReplaceDialog.caseSensitive.checked) {
selStr = selStr.toLowerCase();
specStr = specStr.toLowerCase();
}
// Unfortunately, because of whitespace we can't just check
// whether (selStr == specStr), but have to loop ourselves.
// N chars of whitespace in specStr can match any M >= N in selStr.
var matches = true;
var specLen = specStr.length;
var selLen = selStr.length;
if (selLen < specLen) {
matches = false;
} else {
var specArray = specStr.match(/\S+|\s+/g);
var selArray = selStr.match(/\S+|\s+/g);
if (specArray.length != selArray.length) {
matches = false;
} else {
for (var i = 0; i < selArray.length; i++) {
if (selArray[i] != specArray[i]) {
if (/\S/.test(selArray[i][0]) || /\S/.test(specArray[i][0])) {
// not a space chunk -- match fails
matches = false;
break;
} else if (selArray[i].length < specArray[i].length) {
// if it's a space chunk then we only care that sel be
// at least as long as spec
matches = false;
break;
}
}
}
}
}
// If the current selection doesn't match the pattern,
// then we want to find the next match, but not do the replace.
// That's what most other apps seem to do.
// So here, just return.
if (!matches) {
return false;
}
// Transfer dialog contents to the find service.
saveFindData();
// For reverse finds, need to remember the caret position
// before current selection
var newRange;
if (gReplaceDialog.searchBackwards.checked && selection.rangeCount > 0) {
newRange = selection.getRangeAt(0).cloneRange();
newRange.collapse(true);
}
// nsPlaintextEditor::InsertText fails if the string is empty,
// so make that a special case:
var replStr = gReplaceDialog.replaceInput.value;
if (replStr == "") {
gEditor.deleteSelection(gEditor.eNone, gEditor.eStrip);
} else {
gEditor.insertText(replStr);
}
// For reverse finds, need to move caret just before the replaced text
if (gReplaceDialog.searchBackwards.checked && newRange) {
gEditor.selection.removeAllRanges();
gEditor.selection.addRange(newRange);
}
return true;
}
function onReplaceAll() {
if (!gEditor) {
return;
}
var findStr = gReplaceDialog.findInput.value;
var repStr = gReplaceDialog.replaceInput.value;
// Transfer dialog contents to the find service.
saveFindData();
var finder = Cc["@mozilla.org/embedcomp/rangefind;1"]
.createInstance()
.QueryInterface(Ci.nsIFind);
finder.caseSensitive = gReplaceDialog.caseSensitive.checked;
finder.findBackwards = gReplaceDialog.searchBackwards.checked;
// We want the whole operation to be undoable in one swell foop,
// so start a transaction:
gEditor.beginTransaction();
// and to make sure we close the transaction, guard against exceptions:
try {
// Make a range containing the current selection,
// so we don't go past it when we wrap.
var selection = gEditor.selection;
var selecRange;
if (selection.rangeCount > 0) {
selecRange = selection.getRangeAt(0);
}
var origRange = selecRange.cloneRange();
// We'll need a range for the whole document:
var wholeDocRange = gEditor.document.createRange();
var rootNode = gEditor.rootElement;
wholeDocRange.selectNodeContents(rootNode);
// And start and end points:
var endPt = gEditor.document.createRange();
if (gReplaceDialog.searchBackwards.checked) {
endPt.setStart(wholeDocRange.startContainer, wholeDocRange.startOffset);
endPt.setEnd(wholeDocRange.startContainer, wholeDocRange.startOffset);
} else {
endPt.setStart(wholeDocRange.endContainer, wholeDocRange.endOffset);
endPt.setEnd(wholeDocRange.endContainer, wholeDocRange.endOffset);
}
// Find and replace from here to end (start) of document:
var foundRange;
var searchRange = wholeDocRange.cloneRange();
while (
(foundRange = finder.Find(findStr, searchRange, selecRange, endPt)) !=
null
) {
gEditor.selection.removeAllRanges();
gEditor.selection.addRange(foundRange);
// The editor will leave the caret at the end of the replaced text.
// For reverse finds, we need it at the beginning,
// so save the next position now.
if (gReplaceDialog.searchBackwards.checked) {
selecRange = foundRange.cloneRange();
selecRange.setEnd(selecRange.startContainer, selecRange.startOffset);
}
// nsPlaintextEditor::InsertText fails if the string is empty,
// so make that a special case:
if (repStr == "") {
gEditor.deleteSelection(gEditor.eNone, gEditor.eStrip);
} else {
gEditor.insertText(repStr);
}
// If we're going forward, we didn't save selecRange before, so do it now:
if (!gReplaceDialog.searchBackwards.checked) {
selection = gEditor.selection;
if (selection.rangeCount <= 0) {
gEditor.endTransaction();
return;
}
selecRange = selection.getRangeAt(0).cloneRange();
}
}
// If no wrapping, then we're done
if (!gReplaceDialog.wrap.checked) {
gEditor.endTransaction();
return;
}
// If wrapping, find from start/end of document back to start point.
if (gReplaceDialog.searchBackwards.checked) {
// Collapse origRange to end
origRange.setStart(origRange.endContainer, origRange.endOffset);
// Set current position to document end
selecRange.setEnd(wholeDocRange.endContainer, wholeDocRange.endOffset);
selecRange.setStart(wholeDocRange.endContainer, wholeDocRange.endOffset);
} else {
// Collapse origRange to start
origRange.setEnd(origRange.startContainer, origRange.startOffset);
// Set current position to document start
selecRange.setStart(
wholeDocRange.startContainer,
wholeDocRange.startOffset
);
selecRange.setEnd(
wholeDocRange.startContainer,
wholeDocRange.startOffset
);
}
while (
(foundRange = finder.Find(
findStr,
wholeDocRange,
selecRange,
origRange
)) != null
) {
gEditor.selection.removeAllRanges();
gEditor.selection.addRange(foundRange);
// Save insert point for backward case
if (gReplaceDialog.searchBackwards.checked) {
selecRange = foundRange.cloneRange();
selecRange.setEnd(selecRange.startContainer, selecRange.startOffset);
}
// nsPlaintextEditor::InsertText fails if the string is empty,
// so make that a special case:
if (repStr == "") {
gEditor.deleteSelection(gEditor.eNone, gEditor.eStrip);
} else {
gEditor.insertText(repStr);
}
// Get insert point for forward case
if (!gReplaceDialog.searchBackwards.checked) {
selection = gEditor.selection;
if (selection.rangeCount <= 0) {
gEditor.endTransaction();
return;
}
selecRange = selection.getRangeAt(0);
}
}
} catch (e) {}
gEditor.endTransaction();
}
function doEnabling() {
var findStr = gReplaceDialog.findInput.value;
gReplaceDialog.enabled = findStr;
gReplaceDialog.findNext.disabled = !findStr;
gReplaceDialog.replace.disabled = !findStr;
gReplaceDialog.replaceAndFind.disabled = !findStr;
gReplaceDialog.replaceAll.disabled = !findStr;
}